Product Parameters
Welded And Seamless Steel Pipe
overview
The material used for welded and seamless steel pipes can vary depending on the specific application. However, some commonly used materials include carbon steel, stainless steel, and alloy steel.
Specification
The specification of welded and seamless steel pipes outlines the dimensions, sizes, and other technical requirements for manufacturing these pipes. It includes information such as the diameter, wall thickness, length, and tolerance levels.
Key Features
Welded and seamless steel pipes offer several key features that make them highly desirable for various industries. These features include:
- High strength and durability
- Corrosion resistance
- Versatility in application
- Seamless pipes provide uniformity and reliability in their structure
- Welded pipes can be customized to specific shapes and sizes
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Cost-effective production and installation
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Chemical Composition
The chemical composition of the steel used in these pipes plays a crucial role in determining their properties and suitability for different applications. The composition includes elements such as carbon, manganese, silicon, sulfur, phosphorus, and trace amounts of other elements.
| Element | Composition Range (%) |
| Carbon (C) | 0.16 - 0.25 |
| Manganese (Mn) | 0.7 - 1.0 |
| Silicon (Si) | 0.15 - 0.35 |
| Sulfur (S) | 0.04 (max) |
| Phosphorus (P) | 0.04 (max) |
Mechanical Properties
The mechanical properties of welded and seamless steel pipes determine their performance under different conditions. These properties include tensile strength, yield strength, elongation, hardness, and impact resistance.
| Property | Value |
| Tensile Strength | 415 - 585 MPa |
| Yield Strength | 240 - 345 MPa |
| Elongation | 25% (min) |
| Hardness | 197 HB (max) |
| Impact Resistance | Varies with grade |
Steel Grade
Various steel grades are used for manufacturing welded and seamless steel pipes, each offering unique properties and characteristics. Some common steel grades used include:
- ASTM A106/A53 Grade A, B, C
- ASTM A333 Grade 6
- API 5L Grade B, X52, X65
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Stainless steel grades such as 304, 316, 321, etc.
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Application
Welded and seamless steel pipes find applications in a wide range of industries and sectors. Some common applications include:
- Oil and gas pipelines
- Water supply systems
- Structural and construction projects
- Automotive industry
- Machinery and equipment manufacturing
- Chemical and petrochemical plants
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Power generation facilities
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Possible Alternative Grades
In addition to the commonly used grades mentioned above, there are several alternative grades available for specific applications. These grades may offer different properties or characteristics to suit particular requirements. Some possible alternative grades include:
- ASTM A335 P11, P22, P91
- API 5L X70, X80
- Duplex stainless steel grades such as 2205, 2507
It is important to consult with experts or refer to specific standards to determine the most suitable grade for a particular application.
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4. FAQ
How is your production capability?
1.2000 tons monthly production capacity, 5000 tons monthly trading capability
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Do you provide samples of carbon seamless steel tube ? is it free or extra ?
Yes, we could offer the sample for free charge but need pay the cost of freight.
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