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A 541 Class 8

Description

USA SAE A 541/A 541M (2010), A 541 Class 8 Specialsteel Quenched and Tempered Carbon and Alloy Steel Forgings for Pressure Vessel Components and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 541 Class 8
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 541 Class 8 Precipitation-Hardening SAE USA Quenched and Tempered Carbon and Alloy Steel Forgings for Pressure Vessel Components

Chemical composition(mass fraction)(wt.%) of the A 541 Class 8

C Si Mn P S Ni Cr Al Cu Ti Fe N Mo W
≤0.20 ≤0.50 ≤1.00 ≤ ≥ ≤ ≥ ≤ ≥ ≤12.50 ≤ ≥ ≤ ≥ ≤ ≥ ≤remaining ≤ ≥ ≤ ≥ ≤3.00

Mechanical Properties of steel grade A 541 Class 8

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)
834 (≥) 965 (≥) 33 24 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade A 541 Class 8

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
22 - -     0.12 -  
956 676 - 12.3 133   -  
156 - 13 24.2   414 411

Heat Treatment of steel grade A 541 Class 8

Heat treated : 1788°C - 1435°C

Technological Curves of steel grade A 541 Class 8

Cross Reference Table (Equivalent Grade) of A 541 Class 8

Relevant standard of A 541 Class 8

A 541/A 541M (2010) Quenched and Tempered Carbon and Alloy Steel Forgings for Pressure Vessel Components A-541-A-541M-(2010).pdf

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