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A 949 S31200

Description

USA SAE A 949/A 949M (2009), A 949 S31200 Specialsteel Spray-Formed Seamless Ferritic/Austenitic Stainless Steel Pipe and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 949 S31200
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 949 S31200 Duplex steel SAE USA Spray-Formed Seamless Ferritic/Austenitic Stainless Steel Pipe

Chemical composition(mass fraction)(wt.%) of the A 949 S31200

C Mn Si P S Cr Ni Mo N
≤0.03 ≤2.00 ≤1.00 ≤0.045 ≤0.03 24.00 -26.00 5.50 -6.50 1.20 -2.00 0.14 -0.20

Mechanical Properties of steel grade A 949 S31200

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)
541 (≥) 262 (≥) 11 32 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical Properties of steel grade A 949 S31200

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
21 - -     0.23 -  
897 941 - 33.3 422   -  
361 - 24 44.2   414 222

Heat Treatment of steel grade A 949 S31200

Heat treated : 1345°C - 1148°C

Technological Curves of steel grade A 949 S31200

Cross Reference Table (Equivalent Grade) of A 949 S31200

Grade Standard Country Application
44LN
44LN(S31200)
S31200
S31200

Relevant standard of A 949 S31200

A 949/A 949M (2009) Spray-Formed Seamless Ferritic/Austenitic Stainless Steel Pipe A-949-A-949M-(2009).pdf

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