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SA-572 Grade 42 Type 2

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S42226 422M
#422

Description

USA AMS SA-572/SA-572M, SA-572 Grade 42 Type 2 Specialsteel Specification for High-Strength Low-Alloy Columbium-Vanadium Structural Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

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

Chemical composition(mass fraction)(wt.%) of the SA-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 SA-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)
456 (≥) 911 (≥) 31 12 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 123

Physical Properties of steel grade SA-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
22 - -     0.21 -  
279 896 - 32.3 233   -  
441 - 13 24.2   442 444

Heat Treatment of steel grade SA-572 Grade 42 Type 2

Heat treated : 1914°C - 1715°C

Technological Curves of steel grade SA-572 Grade 42 Type 2

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

Grade Standard Country Application
1.5422
1.5422
S42200
S42225
S42200
S42200
422
422M(C)
422M
S42200
SAE 4422
UNS G44220
ASTM 4422
UNS G44220
AMS 6422E
UNS K11422
UNS J94224
UNS J42215
UNS J42220
422(S42200)

Relevant standard of SA-572 Grade 42 Type 2

SA-572/SA-572M Specification for High-Strength Low-Alloy Columbium-Vanadium Structural Steel SA-572-SA-572M.pdf
S42226 422M
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