TORICH INTERNATIONAL LIMITED
| 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 | Oil |
| Standard | ASTM,DIN,GB,JIS |
| Thickness | 0.1mm-60mm |
| Technique | Cold Drawn,Hot Rolled,Cold Rolled,Hot Rolled/Cold Drawn |
| Surface treatment | customerized |
| Grade | S22253 S22053 S25203 S22553 S22583 S22584 S25073 S27603 S25554 |
| Alloy or not | Is Alloy |
| Standard2 | GB/T 21833.3 |
| 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 |
| Length | 6M or as requirement |
| Product name | steel tubes |
| Type | Seamless |
| Steel grade | 200series 300series |
| Material | steel |
| Brand Name | TORICH |
| Model Number | GB/T 21833.3 S22253 |
| Certification | 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 | Oil | Standard | ASTM,DIN,GB,JIS |
| Thickness | 0.1mm-60mm | Technique | Cold Drawn,Hot Rolled,Cold Rolled,Hot Rolled/Cold Drawn |
| Surface treatment | customerized | Grade | S22253 S22053 S25203 S22553 S22583 S22584 S25073 S27603 S25554 |
| Alloy or not | Is Alloy | Standard2 | GB/T 21833.3 |
| 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 |
| Length | 6M or as requirement | Product name | steel tubes |
| Type | Seamless | Steel grade | 200series 300series |
| Material | steel | Brand Name | TORICH |
| Model Number | GB/T 21833.3 S22253 | Certification | ISO,ISO9001-2008,ISO9001 |
| Place of Origin | Zhejiang/China | ||
| High Light | Seamless Austenitic Stainless Steel Tubes ，Oil Duplex Stainless Steel Pipe ，Duplex Stainless Steel Pipe Seamless | ||
Duplex stainless steels are a family of stainless steels that contain a mixture of austenitic and ferritic phases. The grades specified in GB/T 21833.3 are designed to provide excellent corrosion resistance, high strength, and good weldability, making them suitable for various applications, particularly in the oil and gas industry.
The GB/T 21833.3 standard outlines the requirements for seamless duplex stainless steel pipes and tubes. These specifications ensure that the materials meet the necessary mechanical and chemical properties for their intended applications.
| Grade | C (%) | Cr (%) | Ni (%) | Mo (%) | N (%) | Fe (%) |
|---|---|---|---|---|---|---|
| S22253 | ≤0.03 | 21.0-23.0 | 4.5-6.5 | 2.5-3.5 | 0.1-0.2 | Bal. |
| S22053 | ≤0.03 | 19.0-22.0 | 4.5-6.5 | 3.0-5.0 | 0.1-0.2 | Bal. |
| S25203 | ≤0.03 | 20.0-22.0 | 4.5-6.5 | 3.0-5.0 | 0.1-0.2 | Bal. |
| S22553 | ≤0.03 | 20.0-22.0 | 4.5-6.5 | 3.0-5.0 | 0.1-0.2 | Bal. |
| S22583 | ≤0.03 | 20.0-22.0 | 4.5-6.5 | 3.0-5.0 | 0.1-0.2 | Bal. |
| Grade | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) | Hardness (HB) |
|---|---|---|---|---|
| S22253 | ≥450 | ≥620 | ≥25 | ≤320 |
| S22053 | ≥450 | ≥620 | ≥25 | ≤320 |
| S25203 | ≥450 | ≥620 | ≥25 | ≤320 |
| S22553 | ≥450 | ≥620 | ≥25 | ≤320 |
| S22583 | ≥450 | ≥620 | ≥25 | ≤320 |
The steel grades specified in GB/T 21833.3 include:
Duplex stainless steel pipes and tubes are widely used in various applications, particularly in the oil and gas industry. Common applications include:
While the specified grades are optimal for many applications, alternative grades may also 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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