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. |
| Standard2 | GB/T 3203 |
| Thickness | 0.4 - 50 mm |
| Standard | GB |
| Grade | G20CrMo G20CrNiMo G20CrNi2Mo G20Cr2Ni4 G10CrNi3Mo G20Cr2Mn2Mo G23Cr2Ni2Si1Mo |
| Application | Bearing |
| Alloy or not | Is Alloy |
| Technique | Hot Rolled,Cold Drawn,Cold Rolled |
| Surface treatment | customerized |
| Secondary or not | Non-secondary |
| Outer diameter(round) | 8 - 100 mm |
| Special pipe | precision seamless pipe |
| Length | 5-12M or as your requirement |
| Shape | Square. Rectangular.Round |
| Product name | Seamless steel tube |
| Surface | Customers't Requirement |
| Brand Name | TORICH |
| Model Number | GB/T 3203 |
| Certification | API,ISO,BSI |
| 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. |
| Standard2 | GB/T 3203 | Thickness | 0.4 - 50 mm |
| Standard | GB | Grade | G20CrMo G20CrNiMo G20CrNi2Mo G20Cr2Ni4 G10CrNi3Mo G20Cr2Mn2Mo G23Cr2Ni2Si1Mo |
| Application | Bearing | Alloy or not | Is Alloy |
| Technique | Hot Rolled,Cold Drawn,Cold Rolled | Surface treatment | customerized |
| Secondary or not | Non-secondary | Outer diameter(round) | 8 - 100 mm |
| Special pipe | precision seamless pipe | Length | 5-12M or as your requirement |
| Shape | Square. Rectangular.Round | Product name | Seamless steel tube |
| Surface | Customers't Requirement | Brand Name | TORICH |
| Model Number | GB/T 3203 | Certification | API,ISO,BSI |
| Place of Origin | ZheJiang/China | ||
| High Light | G23Cr2Ni2Si1Mo Seamless Steel Tube ，Bearing Seamless Steel Tube ，Carburizing Steels Seamless Steel Tube | ||
In the world of manufacturing and engineering, the selection of suitable materials is crucial for the success of any project. When it comes to applications requiring high strength, durability, and resistance to wear, carburizing steels are often the preferred choice. Among the various carburizing steels available, GB/T 3203 G20CrMo, G20CrNiMo, G20CrNi2Mo, G20Cr2Ni4, and G10CrNi3Mo seamless steel tubes stand out for their exceptional properties and wide range of applications.
The GB/T 3203 standard specifies the requirements for carburizing steels in the form of seamless steel tubes. The specific grades covered in this article are G20CrMo, G20CrNiMo, G20CrNi2Mo, G20Cr2Ni4, and G10CrNi3Mo. These steels are commonly used in the production of bearings due to their excellent hardenability and wear resistance.
The key features of GB/T 3203 G20CrMo, G20CrNiMo, G20CrNi2Mo, G20Cr2Ni4, and G10CrNi3Mo seamless steel tubes include:
High Strength: These steels exhibit high tensile strength, making them suitable for applications that require load-bearing capabilities.
Excellent Hardenability: Carburizing steels have the ability to be hardened through the carburizing process, resulting in a hardened outer layer that provides enhanced wear resistance.
Good Toughness: Despite their high hardness, these steels retain good toughness, ensuring resistance to impact and shock loads.
Superior Wear Resistance: The carburized layer formed on the surface of these steels significantly improves their wear resistance, making them ideal for bearing applications.
Good Machinability: Carburizing steels are known for their good machinability, allowing for ease of processing and manufacturing.
The following table presents the chemical composition of GB/T 3203 G20CrMo, G20CrNiMo, G20CrNi2Mo, G20Cr2Ni4, and G10CrNi3Mo seamless steel tubes:
| Steel Grade | Chemical Composition (%) |
|---|---|
| G20CrMo | C: 0.17-0.23, Si: 0.17-0.37, Mn: 0.40-0.70, Cr: 0.80-1.10, Mo: 0.15-0.25 |
| G20CrNiMo | C: 0.17-0.23, Si: 0.17-0.37, Mn: 0.40-0.70, Cr: 0.80-1.10, Ni: 1.30-1.70, Mo: 0.15-0.25 |
| G20CrNi2Mo | C: 0.17-0.23, Si: 0.17-0.37, Mn: 0.40-0.70, Cr: 0.80-1.10, Ni: 1.80-2.20, Mo: 0.15-0.25 |
| G20Cr2Ni4 | C: 0.17-0.23, Si: 0.17-0.37, Mn: 0.40-0.70, Cr: 1.40-1.70, Ni: 3.60-4.00 |
| G10CrNi3Mo | C: 0.07-0.13, Si: 0.17-0.37, Mn: 0.40-0.70, Cr: 1.20-1.60, Ni: 2.70-3.00, Mo: 0.15-0.25 |
The mechanical properties of GB/T 3203 G20CrMo, G20CrNiMo, G20CrNi2Mo, G20Cr2Ni4, and G10CrNi3Mo seamless steel tubes are as follows:
| Steel Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HRC) |
|---|---|---|---|---|
| G20CrMo | ≥ 980 | ≥ 785 | ≥ 9 | 55-60 |
| G20CrNiMo | ≥ 1080 | ≥ 930 | ≥ 8 | 58-63 |
| G20CrNi2Mo | ≥ 1180 | ≥ 1030 | ≥ 7 | 60-65 |
| G20Cr2Ni4 | ≥ 1270 | ≥ 1080 | ≥ 6 | 62-67 |
| G10CrNi3Mo | ≥ 930 | ≥ 785 | ≥ 10 | 50-55 |
The steel grades covered in this article find their applications primarily in the production of bearings. These carburizing steels are widely used in various industries, including automotive, aerospace, machinery, and more. The exceptional hardness, wear resistance, and toughness of these steels make them suitable for bearing components subjected to high loads and harsh operating conditions.
While GB/T 3203 G20CrMo, G20CrNiMo, G20CrNi2Mo, G20Cr2Ni4, and G10CrNi3Mo are excellent choices for carburizing steel tubes, there are alternative grades available for specific applications. Some possible alternative grades include AISI 8620, AISI 9310, and SAE 4320. These grades offer similar properties and can be considered based on specific requirements and availability.
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
A Professional Steel Pipes Materials Inventor, Manufacturer And Solution Provider TORICH INTERNATIONAL LIMITED is a professional inventor, manufacturer, and solution provider of steel pipe materials, integrating production and international trade, specializing in various precision steel pipes. Esta... A Professional Steel Pipes Materials Inventor, Manufacturer And Solution Provider TORICH INTERNATIONAL LIMITED is a professional inventor, manufacturer, and solution provider of steel pipe materials, integrating production and international trade, specializing in various precision steel pipes. Esta...
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