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310 Stainless Steel Seamless/welded Polished Tube/pipe

310s stainless steel owns good oxidation resistance and corrosion resistance. Because of high percentage of Cr and Ni, 310s stainless steel has good multiple creep strength and high temperature resistance, it can work constantly under high temperature. Application area: Chemical industry, oil...


The 310S stainless steel tube and tube is a high alloy austenitic stainless steel that is primarily used in high temperature applications primarily because of their oxidation resistance. Due to its high chromium and nickel content, its general corrosion resistance is superior to SS 304 or SS 309 in most environments. These stainless steel 310S tubes are widely used in the manufacture of furnace components, fuel furnace components, heat exchangers and piping systems in chemical plants. In addition, it is widely used in general piping requirements of various vertical industries, also known as UNS S31008 stainless steel seamless pipe.

Chemical composition(WT%)

(C) :≤0.08

(Si) :≤1.50

(Mn) :≤2.00

(Cr) :24.0 to 26

(P) :≤0.035

(S) :≤0.030

(Ni) : 19.0 to 22.0

Physical property

tensile strength:≥520MPa

Yield strength:≥205MPa

Elongation:more than 40%


The differences between seamless pipe and welded pipe.

1. In appearance, seamless steel pipe and welded steel pipe are different from the weld mark on the inner wall of welded pipe.

2. Seamless steel tube is formed directly in rolling,welded steel pipes need to be welded after coiling. The performance of seamless pipe is better, of course, the price is higher.

3. The pressure of seamless pipe is higher.