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A 789 S32950

Description

USA SAE A 789/A 789M (2013), A 789 S32950 Specialsteel Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 789 S32950
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 789 S32950 Duplex steel SAE USA Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service

Chemical composition(mass fraction)(wt.%) of the A 789 S32950

C Mn Si P S Cr Ni Mo N
≤0.03 ≤2.00 ≤0.60 ≤0.035 ≤0.01 26.00 -29.00 3.50 -5.20 1.00 -2.50 0.15 -0.25

Mechanical Properties of steel grade A 789 S32950

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
323 (≥) 844 (≥) 23 23 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade A 789 S32950

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
23 - -     0.24 -  
259 521 - 21.3 322   -  
998 - 13 34.2   214 142

Heat Treatment of steel grade A 789 S32950

Heat treated : 1279°C - 1474°C

Technological Curves of steel grade A 789 S32950

Cross Reference Table (Equivalent Grade) of A 789 S32950

Grade Standard Country Application
7-MoPLUS
S32950
S32950
7-Mo PLUS(S32950)
S32950

Relevant standard of A 789 S32950

A 789/A 789M (2013) Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service A-789-A-789M-(2013).pdf

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