Product Parameters
Seamless Stainless Steel
overview
This product is produced by international standards such as ASTM (American Society for Testing and Materials) or EN (European Standards), ensuring the consistency and reliability of seamless stainless steel pipe production and meeting user needs. This product has excellent corrosion resistance and heat resistance and can be used to transport corrosive chemicals, manufacture medical devices and equipment, and food processing industries.
Chemical Composition
The chemical composition of seamless stainless steel may vary depending on the specific grade. Here is a table presenting the typical chemical composition:
| Element | Percentage(%) |
| Carbon | 0.08 max |
| Manganese | 2.00 max |
| Phosphorus | 0.045 max |
| Sulfur | 0.030 max |
| Silicon | 1.00 max |
| Chromium | 16.00-18.00 |
| Nickel | 10.00-14.00 |
| Molybdenum | 2.00-3.00 |
Mechanical Properties
Seamless stainless steel possesses outstanding mechanical properties, making it a reliable choice for demanding applications. Here is a table outlining the typical mechanical properties of seamless stainless steel:
| Property | Value |
| Tensile Strength | 600-900 MPa |
| Yield Strength | 200-300 MPa |
| Elongation | 40-60% |
| Hardness (Brinell) | 150-250 HB |
Physical Properties
The physical properties of seamless stainless steel contribute to its exceptional performance in various environments. Here is a table presenting the typical physical properties:
| Property | Value |
| Density | 7.9 g/cm³ |
| Melting Point | 1400-1450 °C |
| Thermal Conductivity | 16-20 W/m·K |
| Specific Heat Capacity | 460 J/kg·K |
Process Performance
The process performance of seamless stainless steel plays a vital role in its manufacturing and subsequent application. Here is a table outlining the process performance:
| Performance | Value |
| Weldability | Excellent |
| Machinability | Good |
| Formability | High |
| Hot Working | 1150-1260 °C (2100-2300 °F) |
| Cold Working | Good |
Steel Grade
Seamless stainless steel is available in various grades, each tailored to specific applications. Some commonly used steel grades include:
Grade 304: Suitable for general-purpose applications, including architectural, chemical, and food processing industries.
Grade 316: Known for its superior corrosion resistance, this grade finds applications in marine environments and medical equipment.
Grade 321: Offers excellent high-temperature performance, making it ideal for applications in exhaust systems and furnace parts.
Application
Seamless stainless steel finds extensive application in diverse industries, including:
Oil and Gas: Used in pipelines, pressure vessels, and offshore platforms.
Automotive: Utilized in exhaust systems, structural components, and fuel lines.
Food Processing: Employed in food handling and storage equipment.
Medical and Pharmaceutical: Used in surgical instruments, implants, and medical devices.
Aerospace: Utilized in aircraft components and engine parts.
Possible Alternative Grades
Although seamless stainless steel is highly versatile, there are alternative grades available that suit specific requirements. Some include:
Duplex stainless steel: Offers higher strength and better resistance to stress corrosion cracking.
Martensitic stainless steel: Provides excellent hardness and abrasion resistance for cutting tools and knives.
Ferritic stainless steel: Known for its excellent resistance to oxidation and heat
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