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 | plastic box packaging |
| Alloy or not | Is Alloy |
| Technique | Hot Rolled,Cold Drawn |
| Application | Structure Pipe |
| Section shape | Round,Rectangular |
| Grade | 320 360 410 460 490 |
| Secondary or not | Non-secondary |
| Grade group | Q195-Q345 |
| Standard | GB |
| Special pipe | alloy steel pipe |
| Surface treatment | customized |
| Length | 5.8-12m |
| Product name | Cold drawn precision round carbon steel tube |
| Material | Q195/Q215/Q235/Q345 |
| Surface | Customers't Requirement |
| Type | Cold Drawing |
| Brand Name | TORICH |
| Model Number | GB/T 5312 |
| Certification | ISO9001 ISO14001 TS16949 |
| 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 | 5000Tons per Year |
| Delivery Time | 4-8weeks | Packaging Details | plastic box packaging |
| Alloy or not | Is Alloy | Technique | Hot Rolled,Cold Drawn |
| Application | Structure Pipe | Section shape | Round,Rectangular |
| Grade | 320 360 410 460 490 | Secondary or not | Non-secondary |
| Grade group | Q195-Q345 | Standard | GB |
| Special pipe | alloy steel pipe | Surface treatment | customized |
| Length | 5.8-12m | Product name | Cold drawn precision round carbon steel tube |
| Material | Q195/Q215/Q235/Q345 | Surface | Customers't Requirement |
| Type | Cold Drawing | Brand Name | TORICH |
| Model Number | GB/T 5312 | Certification | ISO9001 ISO14001 TS16949 |
| Place of Origin | ZheJiang/China |
GB/T 5312 is a Chinese standard that specifies the requirements for carbon-manganese steel seamless steel tubes and pipes used in shipbuilding applications. This standard covers various steel grades, including 320, 360, 410, 460, and 490. These tubes and pipes are widely used in the construction of ships due to their excellent mechanical properties and high resistance to corrosion.
The GB/T 5312 standard outlines the material and specification requirements for carbon-manganese steel seamless steel tubes and pipes for shipbuilding. The tubes and pipes manufactured under this standard are made from carbon steel with added manganese, which enhances their strength and toughness. The standard specifies the following requirements:
The GB/T 5312 carbon-manganese steel tubes and pipes for shipbuilding offer several key features that make them suitable for marine applications:
The following table presents the chemical composition of the carbon-manganese steel tubes and pipes according to GB/T 5312:
| Steel Grade | Chemical Composition (%) |
|---|---|
| 320 | C: ≤0.16, Mn: 0.40-0.70 |
| 360 | C: ≤0.17, Mn: 0.40-0.80 |
| 410 | C: ≤0.21, Mn: 0.45-0.80 |
| 460 | C: ≤0.24, Mn: 0.45-0.80 |
| 490 | C: ≤0.24, Mn: 0.45-0.80 |
The mechanical properties of the carbon-manganese steel tubes and pipes, as specified by GB/T 5312, are presented in the following table:
| Steel Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
|---|---|---|---|
| 320 | ≥410 | ≥245 | ≥25 |
| 360 | ≥460 | ≥275 | ≥22 |
| 410 | ≥510 | ≥305 | ≥20 |
| 460 | ≥560 | ≥335 | ≥17 |
| 490 | ≥610 | ≥365 | ≥14 |
The different steel grades specified in GB/T 5312 have various applications in shipbuilding. Here are the steel grades and their corresponding applications:
While GB/T 5312 specifies the carbon-manganese steel grades for shipbuilding, there are alternative grades available from other international standards. Some possible alternative grades include ASTM A106, DIN 17175, and JIS G3456. These standards offer similar carbon steel tubes and pipes suitable for shipbuilding, but it is important to consult the specific requirements and regulations of the intended application before selecting an alternative grade.
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,Exporter,Trading Company,Seller
Year Established:
1997
Total Annual:
10million-15million
Employee Number:
100~150
Ecer Certification：
Verified Supplier
Who We are ？ TORICH is an enterprise that has been producing precision steel pipes and steel pipe processing for over 20 years, with a factory area of approximately 20000 square meters The main products produced are carbon steel and alloy steel grade seamless steel pipes, we... Who We are ？ TORICH is an enterprise that has been producing precision steel pipes and steel pipe processing for over 20 years, with a factory area of approximately 20000 square meters The main products produced are carbon steel and alloy steel grade seamless steel pipes, we...
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