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Tube specification 

 

309S/309H stainless steel tube steel pipe

Model No.︰BS-SSPT
Brand Name︰BS
Country of Origin︰China
Unit Price︰-
Minimum Order︰1 ton
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Product Description

Physical Properties of 309S/309H Alloys in the Annealed Condition at -20°F to +100°F

      Tensile Strength Yield Strength            
Alloy UNS Designation Spec. psi MPa ksi psi MPa ksi Elongation in 2 inches (min.) % Grain Size Req. Maximum Hardness Modulus of Elasticity (x106psi) Mean Coefficient of Thermal Expansion (IN./IN./°F x 10-6) Thermal Conductivity (BTU-in/ft2-h-°F)
309S S30908 A249, A312 75,000 515 75 30,000 205 30 35 90 Rb 29.0 9.2 116
309H S30909 75,000 515 30,000 205 35 6 or coarser 29.0 9.2

Composition of 309S/309H tubing and pipe

Grade 309S 309H
UNS Designation S30908 S30909
Carbon (C) Max. 0.08 0.04–0.10
Manganese (Mn) Max. 2.00 2.00
Phosphorous (P) Max. 0.045 0.045
Sulphur (S) Max. 0.030 0.030
Silicon (Si) Max. 1.00 1.00
Chromium (Cr) 22.0–24.0 22.0–24.0
Nickel (Ni) 12.0–15.0 12.0–15.0
Molybdenum (Mo)
Nitrogen (N)
Iron (Fe) Bal. Bal.
Other Elements

309S/309H Product Range

Alloy UNS Designation Werkstoff NR. Specifications*
309S S30908 1.4833 A/SA249, A/SA312
309H S30909 1.4306 A/SA249, A/SA312

*Note: The specifications noted including ASTM, ASME, or other applicable authorities are correct at the time of publication. Other specifications may apply for use of these materials in different applications.

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