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309S stainless steel
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309S stainless steel

309S stainless steel

Katalor is a professional 309S stainless steel supplier. We can provide the high quality 309S stainless steel goods with the most competitive price for you. If you have any need for 309S stainless steel specification and 309s stainless steel price, please contact with us!

309S stainless steel material chemical composition:

Grade C % Cr % Ni % Mn % P % S % Si %
309S ≤0.08 22.0-24.0 12.0-15.0 ≤2.00 ≤ 0.045 ≤ 0.03 ≤ 0.75

309s stainless steel properties:

309s stainless steel plate mechanical properties:

Grade Yield strength Tensile strength Elongation δ5 Hardness
σs MPa σb MPa % HB
309S ≥205 ≥515 ≥40 ≤217

309s stainless steel physical properties

Density (lb./ in^2) @ RT   0.29
Modulus of Elasticity in Tension (psi x 10^6)   29.0
Specific Heat (BTU/o F/lb.) 32 to 212 oF 0.12
Thermal Conductivity (BTU/hr/ft^2/ft) 212oF 9.0
  932oF 10.8
Mean Coefficient of Thermal Expansion (in. x 10^-6 per o F) 32 to 212oF 8.3
  32 to 600oF 9.3
  32 to 1,000oF 9.6
  32 to 1,200oF 10.0
Electrical Resistivity (micro ohms - cm) at 70oF 39.8
Melting Point Range (oF)   2550 - 2650
Oxidation Resistance - Continuous Service(oF)   2000
Oxidation Resistance - Intermittent Service(oF)   1800

 309S stainless steel application

309S stainless steel is widely used in boilers, energy (nuclear power, thermal power, fuel cell), industrial furnaces, incinerator, heating furnace, chemical, petrochemical and other important areas.

309S stainless steel / SS309s is heat-resistant austenitic stainless steel materials.It has more performance than austenitic stainless steel. Besides,it is of high temperature-resistance, so slso named heat resistant steel,and is regarded as the first choice of heat treatment engineering.

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