Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
Supply Ability | 60000 Ton/Tons per Year |
Delivery Time | 20-40days |
Packaging Details | In bundles or in wooden boxes. |
Application | Structural Steel Work |
Standard | ASTM,DIN,GB,JIS |
Thickness | 0.1mm-60mm |
Technique | Cold Drawn,Hot Rolled,Cold Rolled,Hot Rolled/Cold Drawn |
Surface treatment | customerized |
Grade | RSt 37-2 St 37-3 St 44-2 St 44-3 St 52.3 |
Alloy or not | Non-alloy |
Standard2 | DIN 17121 |
Section shape | Round,Rectangular |
Outer diameter(round) | 17 - 660 mm |
Special pipe | Precision steel tube,precision seamless pipe,cold drawn |
Secondary or not | Non-secondary |
Grade group | ST35-ST52 |
Length | 6M or as requirement |
Product name | steel tubes |
Type | Seamless |
Material | steel |
Brand Name | TORICH |
Model Number | DIN 17121 |
Certification | API,CE,ISO,ISO9001-2008,ISO9001 |
Place of Origin | Zhejiang/China |
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Product Specification
Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 60000 Ton/Tons per Year |
Delivery Time | 20-40days | Packaging Details | In bundles or in wooden boxes. |
Application | Structural Steel Work | Standard | ASTM,DIN,GB,JIS |
Thickness | 0.1mm-60mm | Technique | Cold Drawn,Hot Rolled,Cold Rolled,Hot Rolled/Cold Drawn |
Surface treatment | customerized | Grade | RSt 37-2 St 37-3 St 44-2 St 44-3 St 52.3 |
Alloy or not | Non-alloy | Standard2 | DIN 17121 |
Section shape | Round,Rectangular | Outer diameter(round) | 17 - 660 mm |
Special pipe | Precision steel tube,precision seamless pipe,cold drawn | Secondary or not | Non-secondary |
Grade group | ST35-ST52 | Length | 6M or as requirement |
Product name | steel tubes | Type | Seamless |
Material | steel | Brand Name | TORICH |
Model Number | DIN 17121 | Certification | API,CE,ISO,ISO9001-2008,ISO9001 |
Place of Origin | Zhejiang/China |
DIN 17121 is a standard that specifies the requirements for seamless circular steel tubes used in structural steel work. This standard covers various steel grades, including RSt 37-2, St 37-3, St 44-2, St 44-3, and St 52.3, each with distinct properties and applications.
The seamless round tubing produced under DIN 17121 is primarily made from carbon steel, which is known for its strength and durability. The tubes are manufactured through processes that ensure high quality and reliability for structural applications.
Steel Grade | C (%) | Si (%) | Mn (%) | P (%) | S (%) | Cr (%) | Ni (%) | Mo (%) |
---|---|---|---|---|---|---|---|---|
RSt 37-2 | 0.12 | 0.15 | 1.20 | 0.045 | 0.045 | - | - | - |
St 37-3 | 0.17 | 0.25 | 1.40 | 0.045 | 0.045 | - | - | - |
St 44-2 | 0.20 | 0.25 | 1.50 | 0.045 | 0.045 | - | - | - |
St 44-3 | 0.22 | 0.25 | 1.60 | 0.045 | 0.045 | - | - | - |
St 52.3 | 0.22 | 0.25 | 1.60 | 0.045 | 0.045 | 0.30 | 0.30 | 0.10 |
Steel Grade | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) | Hardness (HB) |
---|---|---|---|---|
RSt 37-2 | 235 | 360-510 | 26 | 120 |
St 37-3 | 275 | 410-550 | 24 | 130 |
St 44-2 | 295 | 450-600 | 22 | 140 |
St 44-3 | 325 | 480-630 | 20 | 150 |
St 52.3 | 350 | 490-650 | 18 | 160 |
The steel grades specified in DIN 17121 are designed to meet various structural requirements. Each grade has unique properties that make it suitable for specific applications.
Seamless round tubing under DIN 17121 is widely used in:
While the grades specified in DIN 17121 are widely used, there are alternative grades that may be considered based on specific requirements:
A: manufacturer,also can do trading.
A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact with me.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller
Year Established:
1997
Total Annual:
25000000-30000000
Employee Number:
100~200
Ecer Certification:
Verified Supplier
Who We are ? -------A professional steel pipes materials inventor, manufacturer and solution providerTorich International Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the ... Who We are ? -------A professional steel pipes materials inventor, manufacturer and solution providerTorich International Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the ...
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