Used Liquid Nitrogen Storage Tank for sale (22,827)

Condition: ready for operation (used), General Manufacturer Hinke Location 6250 Kundl, Austria (dismantling in March/April 2025) Condition used Tank volume 44,480 liters Vacuum 0.25 bar Max. Max. overpressure 1.0 bar Max. permissible operating temperature 100 °C Dished base Vertical design Stand shape Feet Number of feet 4 pieces Technical data / dimensions Internal diameter 3,200 mm Cylindrical height 1,930 mm Total height 7,380 mm Wall thickness bottom 10 mm Wall thickness cylinder 6 mm Wall thickness top 6 mm Equipment Technical documents Drawing, various documents Manhole / dome in top floor (DN 600) Cjdpfx Afsv Rzq Hjlorh

Year of construction: 1989, condition: ready for operation (used), Polymer storage tank Article no.: RE-HU-2019-0602-B38-e Product: Used polymer storage tank container Material: GF - UP / Leguval W 17 (glass fiber reinforced polyester resin with top layer) Manufacturer: Theodor Vanck GmbH Dimensions: diameter 2.40 x height 2.80m Volume: 12 m3 Year of construction: 1989 Fabr. No .: 55163 Credpfx Asd Hgc Uofleh

Year of construction: 1997, condition: used, machine/vehicle number: LWT 30, Tank-& Umweltschutz Wozniack Specialist company according to the Water Resources Act Dear Sir or Madam, we offer a 30,000 liter storage tank for the storage of water and wastewater as follows . This is a 30 cbm storage tank made of steel. Material S235JRG2 steel . Incl manufacturer certificate DIN and nameplate. The tank is cleaned from the inside and bitumen insulated from the outside. Suitable for underground as well as above ground storage. Tank dimensions : Length : approx. 9.900 mm Diameter : approx. 2.000 mm Weight : approx. 6.000 kg Shape : cylindrical Equipment : on request For the use as a fire water tank an additional suction line with A-fixed coupling according to DIN can be offered. Of course, you can also co-design your tank system! All our plants are extensively controlled and checked in our company by selected employees. We also offer an inexpensive delivery on request. The inspection of our plants is possible at any time. Further tank plants for above ground as well as underground storage are available in all sizes and are for sale on our premises. Could we convince you of our offer? If you have any questions or requests, just give us a call, one of our experienced employees will be happy to advise you. General: All offers are valid ex location Warstein , free loaded. Delivery can be offered at a reasonable price for an additional charge. Crjdpfxjc Nkyhe Afloh Delivery time = immediately You will receive an invoice with VAT. In addition, we buy existing tank systems and can, as an approved specialist company according to the Water Resources Act (WHG), professionally empty, clean, dismantle and transport them away. With kind regards from Warstein Tank and environmental protection Wozniack Enkerbruch 2 59581 Warstein

Condition: ready for operation (used), General Manufacturer Metkon AG Location Outdoor storage Greater Siegen area Condition Used Tank volume 19,000 liters Vacuum 0.2 bar Max. Max. overpressure 0.2 bar Max. permissible operating temperature 50 °C Specific weight of the medium 1.85 (to/m³) Bottom dished bottom Vertical design Standing shape Standing frame Technical data / dimensions Internal diameter 1,990 mm External diameter 2,000 mm Cylindrical height 5,570 mm Total height 6,400 mm Wall thickness of cylinder 5 mm Crodsv Rzh Sspfx Aflsh Equipment Technical documents Drawing, various documents Manhole / dome in the cylinder, in the top floor (DN 600) Type plate

Year of construction: 2004, condition: used, Tank-& Umweltschutz Wozniack Specialist company according to the Water Resources Act Dear Sir or Madam, we offer a 30,000 liter double-walled storage tank for the storage of diesel, with a new diesel dispenser incl data collection. Nominal capacity 30 cbm piece 1 used but overhauled, that means the tank is cleaned, refurbished, primed and painted Color equipment paint RAL ; but you can always bring your own color wishes. The plant is primed and is still painted . Material steel in steel, material S235JRG2 Documents Manufacturer certificate/test certificate according to DIN 6616 D/2 and type plate Piece 1 dipstick Piece 1 venting spigot Piece 1 filling nozzle Piece 1 new limit switch Piece 1 new leak detection sight with filled up leak liquid Piece 1 ladder piece 1 suction line Shape cylindrical storage tank with feet/console tank mass length approx. 9.990 mm diameter approx. 2.000 mm Weight approx. 6.000 kg Storage above ground Crjdec Nktbspfx Aflsh Of course you can also design your tank system! All our installations are extensively checked and inspected in our company by selected employees. We also offer an inexpensive delivery on request. The inspection of our plants is possible at any time. Further tank plants for above ground as well as underground storage are available in all sizes and are for sale on our premises. All our tank installations can also be offered without diesel pump. Top on offer . Liquid fertilizer - AHL tank plants in the size of 10.000-100.000 liters. Water tank fire water tank in the offer . Price/ Shipping The price for the tank station is valid ex location Warstein , free loaded. Delivery can be offered at a reasonable price for an additional charge. Delivery time = immediately You will receive an invoice with VAT. In addition, we buy existing tank systems and can, as an approved specialist company according to the Water Resources Act (WHG) we can professionally empty, clean, dismantle and transport them away. With kind regards from Warstein Tank and environmental protection Wozniack Enkerbruch 2 59581 Warstein

Condition: ready for operation (used), General Manufacturer Ludwig Elkuch AG Location Outdoor storage Greater Siegen area Condition Used Tank volume 27,000 liters Vacuum 1.0 bar Max. Max. overpressure 0.5 bar Max. permissible operating temperature 50 °C Dished base Vertical design Standing form Standing frame Technical data / dimensions Internal diameter 2,384 mm External diameter 2,400 mm Cylindrical height 5,400 mm Total height 6,845 mm Wall thickness of base 7 mm Wall thickness of cylinder 8 mm Year of construction 2006 Equipment Technical documents Drawing, various documents Manhole / dome in top floor (DN 600) Type plate Cedpfsv Rzmhjx Aflerh

Year of construction: 1995, condition: used, machine/vehicle number: LWT , Tank-& Umweltschutz Wozniack Specialist company according to the Water Resources Act Dear Sir or Madam, we offer a 20,000 liter storage tank for the storage of water and wastewater as follows . This is a 30 cbm storage tank made of steel. Material S235JRG2 steel . Incl manufacturer certificate DIN and nameplate. The tank is cleaned from the inside and bitumen insulated from the outside. Suitable for underground as well as above ground storage. Tank dimensions : Length : approx. 6.400 mm Diameter : approx. 2.000 mm Weight : approx. 4.000 kg Shape : cylindrical Equipment : on request For the use as extinguishing water tank additionally a suction line with A-fixed coupling according to DIN can be offered. Of course, you can also co-design your tank system! All our plants are extensively controlled and checked in our company by selected employees. We also offer an inexpensive delivery on request. The inspection of our plants is possible at any time. Further tank plants for above ground as well as underground storage are available in all sizes and are for sale on our premises. and are available for sale on our premises. Could we convince you of our offer? If you have any questions or requests, just call, one of our experienced staff will be happy to advise you. General: All offers are valid ex location Warstein , free loaded. Delivery can be offered at a reasonable price for an additional charge. Delivery time = immediately You will receive an invoice with VAT. In addition, we buy existing tank installations and can, as an approved specialist company according to the Water Resources Act (WHG) Credpfxoc Nkyve Afleh we can professionally empty, clean, dismantle and transport them away. With kind regards from Warstein Tank and environmental protection Wozniack Enkerbruch 2 59581 Warstein

Condition: ready for operation (used), General Manufacturer Möschle Location Outdoor Warehouse Condition Used Container Volume 35,910 liters Design Upright Freestanding Feet Technical Specifications / Dimensions Outer Diameter 3,700 mm Cylindrical Height 3,000 mm Total Height 4,500 mm Equipment Technical Documentation Drawing Manhole/Dom in Cylinder (approx. 340 x 440 mm), in Top (DN 400) Nameplate Equipment Level Indicator (no guarantee), Crane Eyes Outlet Available Outlet 50 mm Last Use Food Codpfx Afov Rzp Ajlorh Material Properties Material in Contact with Product V2A 1.4301 (AISI304)

Condition: excellent (used), We offer a 30,000 liter water tank . Credok Dpznopfx Afljh Diameter 2,500 mm Length 6,900 mm plus insulation 100 mm With kind regards Tank Environmental Protection Wozniack

Condition: ready for operation (used), General Location Bremen Condition Used Container Volume 43,000 liters Bases Dished bottom Design Upright Freestanding Feet Number of feet 6 pcs Technical Data / Dimensions Internal diameter 2,990 mm Cylindrical height 5,950 mm Total height 7,800 mm Bottom wall thickness 5.1 mm Cylinder wall thickness 2.5 mm Top wall thickness 3.0 mm Equipment Manhole / dome in cylinder Equipment Crane eyes Outlet DN50 DIN 11851 Remarks Minor dents in the cylinder; manhole approx. 355 x 450 mm Last used: Fruit juice Crjdpfxov Rzqts Aflsh Material Condition Surface Exterior marbled

Year of construction: 2022, condition: new, Tank-& Umweltschutz Wozniack Specialist company according to the Water Resources Act Dear Sir or Madam, we offer a 50,000 liter double-walled storage tank for the storage of heating oil and diesel. Nominal capacity 50 cbm new color equipment paint RAL ; 7035 Material steel in steel, material S235JRG2 Documentation Manufacturer's certificate/ dipstick plate piece 1 dipstick Piece 1 air vent Piece 1 filling nozzle Piece 1 new limit switch Piece 1 new leak detection sight piece 1 ladder Piece 1 suction line Crjdpoc Nkuyefx Aflsh tank dimensions approx . 10900 mm diameter approx. 2.500 mm Weight approx. 9.000 kg Storage above ground Delivery time = January With kind regards from Warstein Ingo Wozniack

Condition: ready for operation (used), General Manufacturer Rieger Location Outdoor storage Condition Used Container volume 48,000 liters Horizontal design Standing form Feet height-adjustable Number of feet 6 pieces Technical data / dimensions Internal diameter 3,080 mm Cylindrical length 5,700 mm Total height 3,600 mm Total length 7,000 mm Wall thickness of bottoms 5 mm Csdpjv Rzrkefx Afljrh Equipment Technical documents Drawing Spout 100 mm Remarks 1 manhole approx. 320 x 420 mm in the front base; wall thickness of cylinder: 3-4 mm; total length and total height as per drawing; containers were professionally cleaned and overhauled by the manufacturer in 2024; brand-new residual drain valves, sampling valves and manhole seals were installed. last intended use Wine storage Material Texture Surface marbled on the outside Material in contact with the product

Year of construction: 1999, condition: used, Tank-& Umweltschutz Wozniack Specialist company according to the Water Resources Act Credjc Nkw Ijpfx Afleh Dear Sir or Madam, we offer a 10,000 liter double-walled storage tank for the storage of diesel as follows . Nominal capacity 10 cbm Piece 1 used but reconditioned, i.e. the tank is cleaned, refurbished, primed and painted Color equipment lacquer RAL ; . However, you can always bring your own color wishes. Material steel in steel, material S235JRG2 Documents Manufacturer's certificate/test certificate according to DIN 6616 D/2 and type plate All our tank units can also be offered without diesel pump . Top on offer . Liquid fertilizer - AHL tank plants in the size of 10,000-100,000 liters. Of course you can also design your tank plant! All our installations are extensively checked and inspected in our company by selected employees. We also offer an inexpensive delivery on request. The inspection of our plants is possible at any time. Further tank facilities for above ground as well as underground storage are available in all sizes and are for sale on our premises. Price/ Shipping The price for the filling station is valid from the location Warstein , free loaded. Delivery can be offered at a reasonable price for an additional charge. Delivery time = immediately You will receive an invoice with VAT. In addition, we buy existing tank systems and can, as an approved specialist company according to the Water Resources Act (WHG), professionally empty, clean, dismantle and transport them away. With kind regards from Warstein Tank Environmental Protection Wozniack

Condition: ready for operation (used), General Location: Outdoor storage Condition: Used Tank Volume: 50,000 liters Design: Upright Insulation: Insulation present: Riveted insulation jacket Technical Data / Dimensions: Outer diameter: 3,100 mm Total height: 9,000 mm Cjdpev Rzr Djfx Aflsrh Equipment: Manhole/dome in cylinder Note: Slight buildup Remarks: Exact dimensions may vary slightly; riveted insulation is damaged in some places (see images); the tank base is filled with concrete. Last intended use: Steam tank (dairy) Material: Material in contact with product: V2A 1.4301 (AISI304)

Year of construction: 2000, condition: used, Tank-& Umweltschutz Wozniack Specialist company according to the Water Resources Act Dear Sir or Madam, we offer a 30,000 liter storage tank for the storage of water and wastewater as follows . This is a 30 cbm storage tank made of steel. Material S235JRG2 steel . Incl manufacturer certificate DIN and nameplate. The tank is cleaned from the inside and bitumen insulated from the outside. Suitable for underground as well as above ground storage. Tank dimensions : Length : approx. 15.750 mm Diameter : approx. 2.900 mm Weight : approx. 14.000 kg Shape : cylindrical Equipment : on request For the use as a fire water tank an additional suction line with A-fixed coupling according to DIN can be offered. Codpfx Aoc Nkznjflerh Of course, you can also co-design your tank system! All our plants are extensively controlled and checked in our company by selected employees. We also offer an inexpensive delivery on request. The inspection of our plants is possible at any time. Further tank plants for above ground as well as underground storage are available in all sizes and are for sale on our premises. Could we convince you of our offer? If you have any questions or requests, just give us a call, one of our experienced employees will be happy to advise you. General: All offers are valid ex location Warstein , free loaded. Delivery can be offered at a reasonable price for an additional charge. Delivery time = immediately You will receive an invoice with VAT. In addition, we buy existing tank systems and can, as an approved specialist company according to the Water Resources Act (WHG), professionally empty, clean, dismantle and transport them away. With kind regards from Warstein Tank and environmental protection Wozniack Enkerbruch 2 59581 Warstein

Condition: ready for operation (used), General Location: Outdoor storage Condition: Used Container volume: 100,000 liters Floors: Conical bottom Lower floor: Conical bottom Design: Upright Insulation: Insulation present: Welded insulation jacket Insulation material: Rock wool Insulation thickness: 50 mm Crjdpjv Rzuxefx Afleh Technical data/dimensions: Ground clearance: 900 mm Inner diameter: 4,000 mm Outer diameter: 4,135 mm Cylindrical height: 8,000 mm Total height: 10,830 mm Total width: 4,300 mm Total length: 11,000 mm Equipment: Manhole/dome in cylinder Nameplate: Equipment

Year of construction: 2022, condition: new, Tank-& Umweltschutz Wozniack Specialist company according to the Water Resources Act Dear Sir or Madam, we offer a 50,000 liter double-walled storage tank for the storage of heating oil. Nominal capacity 50 cbm new Crjdpfx Afeh Ukuljloh color equipment paint RAL ; 7035 Material steel in steel, material S235JRG2 Documentation Manufacturer's certificate/ dipstick plate piece 1 dipstick Piece 1 air vent Piece 1 filling nozzle Piece 1 new limit switch Piece 1 new leak detection sight piece 1 ladder Piece 1 suction line tank dimensions approx . 10900 mm diameter approx. 2.500 mm Weight approx. 9.000 kg Storage above ground Delivery time = September With kind regards from Warstein Tank and environmental protection Wozniack Enkerbruch 2 59581 Warstein

Condition: ready for operation (used), General Manufacturer Rolf H. Dittmeyer GmbH Location Bremen Condition used Tank volume 20,000 liters Max. Max. overpressure 0.50 bar Specific weight of the medium 1.37 (to/m³) Vertical design Standing shape Feet height-adjustable Number of feet 3 pieces Csdpjv Rzivjfx Afljrh Technical data / dimensions Internal diameter 2,500 mm Cylindrical height 3,700 mm Total height 6,750 mm Equipment Manhole / dome in cylinder Type plate Equipment Ventilation, spray head, crane lugs Outlet pipe end Ø approx. 80 mm Remarks Outlet end deflected Remarks 1 container with small bump in cylinder; manhole approx. 340 x 440 mm last intended use Fruit juice industry

Year of construction: 2022, condition: new, Tank-& Umweltschutz Wozniack specialized company according to the Water Resources Act Dear Sir or Madam, we offer a 50,000 liter double-walled storage tank for the storage of heating oil and diesel. Nominal capacity 50 cbm new Crodpfeh Um Ehox Afleh color equipment paint RAL ; 7035 Material steel in steel, material S235JRG2 Documentation Manufacturer's certificate/ dipstick plate piece 1 dipstick Piece 1 air vent Piece 1 filling nozzle Piece 1 new limit switch Ccrhmfhmam piece 1 new leak detection sight piece 1 ladder piece 1 suction line tank dimensions approx . 10900 mm diameter approx. 2.500 mm Weight approx. 9.000 kg Storage above ground Delivery time = September With kind regards from Warstein Tank and environmental protection Wozniack Enkerbruch 2 59581 Warstein

Condition: ready for operation (used), General Manufacturer Rieger Location Outdoor storage Condition Used Tank volume 83,500 liters Max. Max. overpressure 0.5 bar Max. permissible operating temperature 50 °C Specific weight of the medium 1.35 (to/m³) Vertical design Standing shape Feet height-adjustable Number of feet 8 pieces Cjdpfsv Rzt Iox Aflsrh Technical data / dimensions Internal diameter 3,850 mm Cylindrical height 600 mm Total height 8,690 mm Wall thickness lower base 5.4 mm Wall thickness upper base 3.0 mm Year of construction 2004 Equipment Technical documentation Drawing Manhole / dome in cylinder (approx. 350 x 450 mm) Type plate Equipment

Year of construction: 2002, condition: used, Tank-& Umweltschutz Wozniack Specialist company according to the Water Resources Act Dear Sir or Madam, we offer a 40,000 liter double-walled storage tank for the storage of diesel, with a new diesel dispenser incl data collection. Nominal capacity 40 cbm piece 1 used but overhauled, that means the tank is cleaned, refurbished, primed and painted Color equipment paint RAL ; but you can always bring your own color wishes. The plant is primed and is still painted . Material steel in steel, material S235JRG2 Documents Manufacturer certificate/test certificate according to DIN 6616 D/2 and type plate Piece 1 dipstick Piece 1 venting spigot Piece 1 filling nozzle Piece 1 new limit switch Piece 1 new leak detection sight with filled up leak liquid Piece 1 ladder piece 1 suction line Shape cylindrical storage tank with feet/console tank mass length approx. 8.720 mm diameter approx. 2.500 mm Weight approx. 8.000 kg Storage above ground Of course you can also design your tank system! All our installations are extensively controlled and checked in our company by selected employees. We also offer an inexpensive delivery on request. The inspection of our plants is possible at any time. Further tank plants for above ground as well as underground storage are available in all sizes and are for sale on our premises. All our tank installations can also be offered without diesel pump. Top on offer . Liquid fertilizer - AHL tank plants in the size of 10.000-100.000 liters. Water tank fire water tank in the offer . Price/ Shipping The price for the tank station is valid ex location Warstein , free loaded. Delivery can be offered at a reasonable price for an additional charge. Delivery time = immediately You will receive an invoice with VAT. In addition, we buy existing tank systems and can, as an approved specialist company according to the Water Resources Act (WHG), professionally empty, clean, dismantle and transport them away. With kind regards Cjdpjc Nkxfofx Aflorh from Warstein Tank and environmental protection Wozniack Enkerbruch 2 59581 Warstein

Condition: ready for operation (used), General Manufacturer Holvrieka Location Outdoor Warehouse Condition Used Tank Volume 100,000 liters Bottom floor Flat floor with slope Design Upright Technical Specifications / Dimensions Internal diameter 3,350 mm Cylindrical height 11,500 mm Total height 12,500 mm Bottom wall thickness 4 mm Top wall thickness 3 mm Cedpfxsv Rzt Us Afljrh Equipment Technical documentation Drawing Manhole/dome in cylinder (approx. 350 x 450 mm) Nameplate Equipment Ventilation Outlet 100 mm Note Slight buildup Remarks Sloping floor with slope towards the outlet (a concrete foundation would be required on site for installation); total height estimated according to drawing (minor deviations possible); cylinder wall thickness: 4/3/2.5 mm

Year of construction: 1997, condition: used, Tank-& Umweltschutz Wozniack specialized company according to the Water Resources Act Dear Sir or Madam, we offer a 100,000 liter double-walled storage tank for the storage of diesel, with a new diesel dispenser incl data collection. Nominal capacity 100 cbm piece 1 used but overhauled, that means the tank is cleaned, refurbished, primed and painted Color equipment paint RAL ; but you can always bring your own color wishes. The plant is primed and is still painted . Codpfoc Nk Awex Aflsrh Material steel in steel, material S235JRG2 Documents Manufacturer certificate/test certificate according to DIN 6616 D/2 and type plate piece 1 dipstick Piece 1 air vent Piece 1 filling nozzle Piece 1 new limit switch Piece 1 new leak detection sight with filled up leak liquid Piece 1 ladder piece 1 suction line Shape cylindrical storage tank with feet/console tank mass length approx . 15.750 mm diameter approx. 2.900 mm Weight approx. 16000 kg Storage above ground Of course you can also design your tank system! All our installations are extensively checked and inspected in our company by selected employees. We also offer an inexpensive delivery on request. The inspection of our plants is possible at any time. Further tank plants for above ground as well as underground storage are available in all sizes and are for sale on our premises. All our tank installations can also be offered without diesel pump. Top on offer . Liquid fertilizer - AHL tank plants in the size of 10.000-100.000 liters. Water tank fire water tank in the offer . Price/ Shipping The price for the tank station is valid ex location Warstein , free loaded. Delivery can be offered at a reasonable price for an additional charge. Delivery time = immediately You will receive an invoice with VAT. In addition, we buy existing tank systems and can, as an approved specialist company according to the Water Resources Act (WHG), professionally empty, clean, dismantle and transport them away. With kind regards from Warstein Tank and environmental protection Wozniack Enkerbruch 2 59581 Warstein

Year of construction: 1996, condition: used, Tank-& Umweltschutz Wozniack specialized company according to the Water Resources Act Dear Sir or Madam, we offer a 100,000 liter double-walled storage tank for the storage of diesel, with a new diesel dispenser incl data collection. Nominal capacity 100 cbm piece 1 used but overhauled, that means the tank is cleaned, refurbished, primed and painted Color equipment paint RAL ; but you can always bring your own color wishes. The plant is primed and is still painted . Material steel in steel, material S235JRG2 Documents Manufacturer certificate/test certificate according to DIN 6616 D/2 and type plate Piece 1 dipstick Piece 1 venting spigot Piece 1 filling nozzle Piece 1 new limit switch Piece 1 new leak detection sight with filled up leak liquid Piece 1 ladder piece 1 suction line Shape cylindrical storage tank with feet/console tank mass length approx. 15.750 mm diameter approx. 2.900 mm Weight approx. 16000 kg Storage above ground Of course you can also design your tank system! All our installations are checked and inspected in our company by selected employees. extensively controlled and checked. We also offer an inexpensive delivery on request. The inspection of our plants is possible at any time. Further tank facilities for above ground as well as underground storage are available in all sizes and are for sale on our premises. and are available for sale on our premises. Crsdpfx Aoc Nk A Usfloh All our tank facilities can also be offered without diesel pump. Top on offer . Liquid fertilizer - AHL tank plants in the size of 10,000-100,000 liters. Water tank fire water tank in the offer . Price/ Shipping The price for the tank station is valid ex location Warstein , free loaded. Delivery can be offered at a reasonable price for an additional charge. Delivery time = immediately You will receive an invoice with VAT. In addition, we buy existing tank systems and can, as an approved specialist company according to the Water Resources Act (WHG), professionally empty, clean, dismantle and transport them away. With kind regards from Warstein Tank and environmental protection Wozniack Enkerbruch 2 59581 Warstein

Year of construction: 2023, condition: new, Tank-& Umweltschutz Wozniack Specialist company according to the Water Resources Act Dear Sir or Madam, we offer a 10,000 liter double-walled storage tank for the storage of fuel oil. EN 12285-2 standard Nominal capacity 10 cbm new EN 12285-2 norm Color equipment Lacquer RAL ; 7035 Material steel in steel, material S235JRG2 Documentation Manufacturer's certificate/ nameplate piece 1 dipstick Piece 1 air vent Piece 1 filling nozzle Piece 1 new limit switch Piece 1 new leak detection sight piece 1 ladder Piece 1 suction line tank dimensions approx. 5.300 mm diameter approx. 1.600 mm Weight approx. 2.000 kg Storage above ground Delivery time = September With kind regards from Warstein Credpfxok Dpv Ae Afloh Tank and environmental protection Wozniack Enkerbruch 2 59581 Warstein