TORICH INTERNATIONAL LIMITED
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 5000Tons per Year |
| Delivery Time | 4-8weeks |
| Packaging Details | in bundles or in wooden box |
| Product name | TORICH GB/T3639 Seamless Cold Drawn Or Cold Rolled Steel Tubes |
| Keyword | Cold Rolled Steel Tubes |
| Type | Seamless Steel Tube |
| Surface | Oiled |
| Material | 10#, 20#, 45#, Cr-Mo alloy, 16Mn, SAE1010, SAE1020, |
| Usage | Oil Pipe |
| Shape | Round |
| Length | 2-12m |
| OD | 10-110mm |
| WT | 1-8mm |
| Brand Name | TORICH |
| Model Number | GB/T3639 |
| Certification | ISO9001, ISO14001, TS16949 |
| Place of Origin | China,zhejiang |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 5000Tons per Year |
| Delivery Time | 4-8weeks | Packaging Details | in bundles or in wooden box |
| Product name | TORICH GB/T3639 Seamless Cold Drawn Or Cold Rolled Steel Tubes | Keyword | Cold Rolled Steel Tubes |
| Type | Seamless Steel Tube | Surface | Oiled |
| Material | 10#, 20#, 45#, Cr-Mo alloy, 16Mn, SAE1010, SAE1020, | Usage | Oil Pipe |
| Shape | Round | Length | 2-12m |
| OD | 10-110mm | WT | 1-8mm |
| Brand Name | TORICH | Model Number | GB/T3639 |
| Certification | ISO9001, ISO14001, TS16949 | Place of Origin | China,zhejiang |
| High Light | GB/T3639 Precision Steel Tube ，Cold Drawn Precision Seamless Steel Tubes ，Cold Rolled Precision Seamless Steel Tubes | ||
| Material Type | Description |
|---|---|
| Steel | Carbon Steel, Alloy Steel, Stainless Steel |
| Specification | Details |
|---|---|
| Standard | GB/T3639 |
| Outer Diameter | 6-168mm |
| Wall Thickness | 0.5-15mm |
| Length | 5.8m, 6m, 11.8m, or customized |
The chemical composition of GB/T3639 precision seamless steel tubes may vary depending on the specific steel grade. Below is a general overview:
| Element | Carbon Steel (% weight) | Alloy Steel (% weight) | Stainless Steel (% weight) |
|---|---|---|---|
| Carbon (C) | 0.08-0.20 | 0.10-0.20 | 0.08 max |
| Silicon (Si) | 0.17-0.37 | 0.17-0.37 | 0.75 max |
| Manganese (Mn) | 0.35-0.65 | 0.40-0.70 | 2.00 max |
| Phosphorus (P) | 0.035 max | 0.035 max | 0.045 max |
| Sulfur (S) | 0.035 max | 0.035 max | 0.030 max |
Note: The above values are indicative and may vary based on the specific steel grade.
The mechanical properties of GB/T3639 precision seamless steel tubes are determined by the specific steel grade and the manufacturing process. The following table provides general mechanical properties:
| Property | Carbon Steel | Alloy Steel | Stainless Steel |
|---|---|---|---|
| Tensile Strength | 540-720 MPa | 590-835 MPa | 520-720 MPa |
| Yield Strength | 390-590 MPa | 390-590 MPa | 205-520 MPa |
| Elongation | 10%-20% | 10%-20% | 35% min |
| Hardness | 170-210 HV | 170-210 HV | HRB 80 max / HV 180 max |
Note: The mechanical properties mentioned above are typical values and may vary depending on the steel grade and specific product.
GB/T3639 precision seamless steel tubes are available in various steel grades, including but not limited to:
GB/T3639 cold drawn or cold rolled precision seamless steel tubes are widely used in various precision engineering applications. Some common areas of application include:
Haiyan Sanxin Steel Pipe Factory is a leading manufacturer of steel pipes in China. Located in a region with excellent geographical advantages, the factory is situated close to the Zhoushan Port and Ningbo Port.
Our factory covers an area of more than 25,000 square meters and has been in the steel pipe manufacturing business for 20 years. Over this period, we have accumulated a wealth of professional experience, which has helped us establish ourselves as a trusted name in the industry.
At our factory, we specialize in the production of various types of steel pipes, including stainless steel pipe, carbon steel pipe, copper pipe, steel pipe,seamless steel pipe and welded pipe. Our expertise in this field is evident from the 12 patents that we hold, which demonstrate our commitment to innovation and excellence.
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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