310S stainless steel is a highly alloyed austenitic stainless steel grade that is designed for high-temperature applications. It is an extension of the 310 stainless steel grade, with the "S" indicating its higher carbon content to enhance its high-temperature strength. This alloy offers remarkable resistance to oxidation, sulfidation, and other forms of high-temperature corrosion, making it particularly suitable for use in environments where extreme heat and corrosive conditions are prevalent. Its high chromium and nickel content contribute to its excellent resistance to scaling and corrosion at elevated temperatures, while its relatively low coefficient of thermal expansion helps maintain its structural integrity even under thermal stress.
310S stainless steel pipes find wide application in industries such as petrochemical, refining, and power generation, where they are used in furnace parts, heat exchangers, kilns, and other high-temperature equipment. The pipes exhibit superior mechanical properties at elevated temperatures, making them reliable for long-term operation in such demanding environments. Moreover, the material's oxidation resistance allows it to maintain its appearance and structural integrity over extended periods of exposure to high temperatures.
These pipes are typically manufactured using various production methods such as seamless and welded techniques. Seamless pipes are formed without the need for welding and are favored for their uniform structure and ability to withstand higher pressures. Welded pipes, on the other hand, are created by joining sections of steel together through welding processes, offering cost-effectiveness and suitability for less critical applications. The pipes can come in a range of sizes and dimensions to accommodate different requirements, and they can also be customized to meet specific project needs. Overall, 310S stainless steel pipes are a reliable choice for industries that demand robust, high-temperature-resistant materials with excellent corrosion resistance and mechanical strength.
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Specification:
Sizes (Seamless): 1/2" - 24" (15mm - 600mm)
Sizes (ERW): 1/2" - 24" (15mm - 600mm)
Sizes (SAW/EFW): 16" - 100" (400mm - 2500mm)
Wall Thickness: Sch 5S, Sch 10S, Sch 20S, Sch 40S, Sch 80S
Length: 5.8 meters, 6 meters, 11.8 meters, or custom lengths as per project requirements.
Chemical Composition of 310S Stainless Steel
| Element | Carbon (C) | Silicon (Si) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) | Chromium (Cr) | Nickel (Ni) |
| Composition (%) | ≤0.08 | ≤1.50 | ≤2.00 | ≤0.045 | ≤0.030 | 24.0-26.0 | 19.0-22.0 |
Mechanical Properties of 310S Stainless Steel
| Properties | Tensile strength | Yield strength | Elastic modulus | Poisson's ratio | Elongation | Reduction of area | Hardness |
| Metric | 515 MPa | 205 MPa | 190-210 GPa | 0.27-0.30 | 40% | 50% | 95 |
| Imperial | 74695 psi | 29733 psi | 27557-30458 ksi | 0.27-0.30 | 40% | 50% | 95 |
Advantages of 310S Stainless Steel Pipes:
- Good general corrosion resistance and high strength
- Good sulfide stress corrosion resistance
- Resistance to chloride pitting and crevice corrosion
- Higher resistance to chloride stress corrosion cracking
- Easy to weld and conform
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Applications Industry
| Pharmaceutical Equipment | Chemical Equipment |
| Sea Water Equipment | Heat Exchangers |
| Heat Exchangers | Gas Processing |
| Condensers | Specialty Chemicals |
| Pulp and Paper Industry | Pharmaceuticals |
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Exporting Steel Pipes & Tubes to over 60 countries including Afghanistan, Albania, Andorra, Angloa, Austria, Australia, Bahrain, Bangladesh, Bhutan, Brazil, Brunei, Belarus, Belgium, Bulgaria, Cambodia, China, Cyprus, Croatia, Czech Republic, Canada, Denmark, Estonia, Egypt, Finland, France, Germany, Greece, Georgia, Hungary, Iceland, Ireland, Italy, Indonesia, Iran, Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Lebanon, Latvia, Latin America, Liechtenstein, Lithuania, Luxembourg, Malta, Madagascar, Mexico, Moldova, Monaco, Malaysia, Maldives, Mongolia, Myanmar (Burma), Nepal, New Zealand, North Korea, Netherlands, Norway, Nigeria, Oman, Poland, Portugal, Pakistan, Palestine, Philippines, Qatar, Russia, Romania, Russia, San Marino, Serbia and Montenegro, Slovakia, Slovenia, Spain, Sweden, Switzerland, Saudi Arabia, Singapore, South Korea, South Africa, Sri Lanka, Sudan, Syria, Taiwan, Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United Kingdom, United Arab Emirates (UAE), Uzbekistan, Venezuela, Vietnam, Yemen, etc.