90-22512, Hui'an Road, Liangxi District, Wuxi City

309S Stainless Steel Coil

309 and 309S stainless steels are austenitic chromium-nickel stainless steels often used in higher temperature applications.

Tel:+86 18018372311

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Product Description

309 and 309S stainless steels are austenitic chromium-nickel stainless steels often used in higher temperature applications. 

Due to the high chromium and nickel content, alloys 309 and 309S have high corrosion resistance, excellent oxidation resistance and excellent heat resistance, together with good strength at room and elevated temperatures. 

The only significant difference between the 309 and 309S is the carbon content. Alloy 309S has a lower carbon content, which minimizes carbide precipitation and improves weldability.


It can withstand repeated heating below 980 ℃, and has high high temperature strength, oxidation resistance and carburizing resistance.

Application: Furnace material.

Widely used in boilers, energy (nuclear power, thermal power, fuel cell), industrial furnaces, incinerators, heating furnaces, chemical, petrochemical and other important fields.


Composition

GradeCMnSiPSCrMoNiN
0Cr23Ni13≤0.08≤2.0≤1.00≤0.045≤0.0322.0-24.0/12.0-15.0


Yield strength/Mpa: ≥ 205

Tensile strength /MPa: ≥515

Elongation /% : ≥ 40

Section reduction rate /% : ≥50


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