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A 572 Grade 42 Type 2

Description

USA SAE A 572/A 572M (2012), A 572 Grade 42 Type 2 Specialsteel High-Strength Low-Alloy Columbium-Vanadium Structural Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 572 Grade 42 Type 2
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 572 Grade 42 Type 2 Precipitation-Hardening SAE USA High-Strength Low-Alloy Columbium-Vanadium Structural Steel

Chemical composition(mass fraction)(wt.%) of the A 572 Grade 42 Type 2

C Si Mn P S Ni Cr Al Cu Ti Fe N Mo W V
≤0.22 ≤0.40 ≤0.75 ≤ ≥ ≤ ≥ ≤0.75 ≤12.50 ≤ ≥ ≤ ≥ ≤ ≥ ≤remaining ≤ ≥ ≤1.00 ≤1.00 ≤0.22

Mechanical Properties of steel grade A 572 Grade 42 Type 2

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)
764 (≥) 612 (≥) 31 33 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade A 572 Grade 42 Type 2

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
11 - -     0.32 -  
239 844 - 32.3 411   -  
961 - 11 42.2   321 114

Heat Treatment of steel grade A 572 Grade 42 Type 2

Heat treated : 1992°C - 1266°C

Technological Curves of steel grade A 572 Grade 42 Type 2

Cross Reference Table (Equivalent Grade) of A 572 Grade 42 Type 2

Relevant standard of A 572 Grade 42 Type 2

A 572/A 572M (2012) High-Strength Low-Alloy Columbium-Vanadium Structural Steel A-572-A-572M-(2012).pdf

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