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A 778 S31703

Description

USA SAE A 778 (2009), A 778 S31703 Specialsteel Welded, Unannealed Austenitic Stainless Steel Tubular Products and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 778 S31703
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 778 S31703 Austenite SAE USA Welded, Unannealed Austenitic Stainless Steel Tubular Products

Chemical composition(mass fraction)(wt.%) of the A 778 S31703

C Mn Si P S Cr Ni Mo N
≤0.03 ≤2.00 ≤1.00 ≤0.045 ≤0.03 18.00 -20.00 11.00 -15.00 3.00 -4.00 ≤0.10

Mechanical Properties of steel grade A 778 S31703

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)
153 (≥) 196 (≥) 31 21 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade A 778 S31703

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
31 - -     0.11 -  
794 488 - 13.3 141   -  
698 - 42 13.2   311 413

Heat Treatment of steel grade A 778 S31703

Heat treated : 1542°C - 1993°C

Technological Curves of steel grade A 778 S31703

Cross Reference Table (Equivalent Grade) of A 778 S31703

Relevant standard of A 778 S31703

A 778 (2009) Welded, Unannealed Austenitic Stainless Steel Tubular Products A-778-(2009).pdf

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