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A 778 S30403

Description

USA SAE A 778 (2009) , A 778 S30403 Specialsteel Welded, Unannealed Austenitic Stainless Steel Tubular Products and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 778 S30403
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 778 S30403 Austenite SAE USA Welded, Unannealed Austenitic Stainless Steel Tubular Products

Chemical composition(mass fraction)(wt.%) of the A 778 S30403

C Si Mn P S Cr Ni
≤0.03 ≤1.00 ≤2.00 ≤0.045 ≤0.03 18.0 -20.0 8.00 -12.0

Mechanical Properties of steel grade A 778 S30403

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)
239 (≥) 652 (≥) 42 12 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade A 778 S30403

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 - -     0.13 -  
168 523 - 23.3 132   -  
388 - 24 43.2   241 321

Heat Treatment of steel grade A 778 S30403

Heat treated : 1675°C - 1258°C

Technological Curves of steel grade A 778 S30403

Cross Reference Table (Equivalent Grade) of A 778 S30403

Grade Standard Country Application
S30403
S30403
S30403
S30403
S30403
S30403
S30403
S30403
S30403

Relevant standard of A 778 S30403

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

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