Stainless Steel 310/310S Pipes S31000
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Stainless Steel 310 (UNS S31000) and its low carbon version Stainless Steel 310S (UNS S31008) are high temperature austenitic stainless steels offering corrosion resistance and high temperature strength.
S31000 stainless steel pipe has good corrosion resistance, especially in high temperature environments. It resists erosion from acidic and alkaline media, helping to extend the service life of your equipment. Stainless steel has excellent high temperature strength. It can maintain a certain mechanical strength and durability under high temperature conditions and is suitable for manufacturing high temperature and high pressure equipment.
310 stainless steel round pipes are widely used in high temperature and high pressure equipment manufacturing in various fields. For example, in the petroleum, chemical, food, and aerospace industries, cold-drawn 310 stainless steel pipes are often used to manufacture heating furnaces, reactors, piping systems, and containers.
Stainless Steel UNS S31000 Pipes Equivalent Grades
| STANDARD | UNS | WERKSTOFF NR. |
| SS 310 | S31000 | 1.4841 |
| SS 310S | S31008 | 1.4845 |
chemical composition
| SS | 310 | 310S |
|---|---|---|
| Ni | 19 – 22 | 19 – 22 |
| Fe | Balance | Balance |
| Cr | 24 – 26 | 24 – 26 |
| C | 0.25 max | 0.08 max |
| Si | 1.50 max | 1.50 max |
| Mn | 2 max | 2 max |
| P | 0.045 max | 0.045 max |
| S | 0.030 max | 0.03 max |
UNS S31000 SS Polished Pipe

Hardness and Density
The hardness of S31000 stainless steel is usually 160HB. And its density is about 7.98g/cm³.
heat treatment
UNS S31000 Seamless Pipes can be heat treated to change their structure and properties. Common heat treatment methods include solution treatment and cooling treatment.
Mechanical properties
Stainless steel 310 pipe has excellent mechanical properties at room temperature, including tensile strength σb ≥ 520MPa, yield strength σ0.2 ≥ 205MPa, elongation δ ≥ 40%, and section shrinkage ψ ≥ 50%.
Gnee has an ISO9001-2000 quality management system and an ISO14001 environmental protection system. At the same time, it actively develops diversification and has formed a company that mainly produces carbon steel and stainless steel, which are exported to more than 60 countries and regions such as Russia, Canada, India, Brazil, and Southeast Asia.
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