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Tube specification 

 

321/321H 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 321/321H 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 Harndess Modulus of Elasticity (x106psi) Mean Coefficient of Thermal Expansion (IN./IN./°F x 10-6) Thermal Conductivity (BTU-in/ft2-h-°F)
321 S32100 75,000 515 30,000 205 35 29.0 9.2
321H S32109 75,000 515 30,000 205 35 7 or coarser 29.0 9.2

Composition 321/321H tubing and pipe

Grade 321 321H
UNS Designation S32100 S32109
Carbon (C) Max. 0.08 0.04–0.10
Manganese (Mn) Max. 2.00 2.00
Phosphorous (P) Max. 0.04 0.04
Sulphur (S) Max. 0.03 0.03
Silicon (Si) Max. 0.75 0.75
Chromium (Cr) 17.0–20.0 17.0–20.0
Nickel (Ni) 9.0–12.0 9.0–12.0
Molybdenum (Mo)
Nitrogen (N) 0.1 Max. 0.1 Max.
Iron (Fe) Bal. Bal.
Other Elements Ti=5(C) to 0.70% Ti=4(C) to 0.60%

321/321H Product Range

Alloy UNS Designation Werkstoff NR. Specifications*
321 S32100 1.4541 A269, A/SA249, A/SA312
321H S32109 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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