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B 472 R30556

Description

USA SAE B 472 (2010), B 472 R30556 Specialsteel Standard Specification for Nickel Alloy Billets and Bars for Reforging and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: B 472 R30556
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel B 472 R30556 Precipitation-Hardening SAE USA Standard Specification for Nickel Alloy Billets and Bars for Reforging

Chemical composition(mass fraction)(wt.%) of the B 472 R30556

C Si Mn P S Ni Cr Al Cu Ti Fe Mo Co
≤0.01 ≤0.05 ≤1.50 ≤0.04 ≤0.01 ≤remaining 0.50 -1.50 0.10 -0.50 ≤0.50 ≤ ≥ 1.00 -6.00 26.00 -30.00 ≤2.50

Mechanical Properties of steel grade B 472 R30556

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)
625 (≥) 945 (≥) 44 31 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical Properties of steel grade B 472 R30556

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
21 - -     0.22 -  
953 445 - 42.3 211   -  
252 - 14 23.2   413 144

Heat Treatment of steel grade B 472 R30556

Heat treated : 1851°C - 1426°C

Technological Curves of steel grade B 472 R30556

Cross Reference Table (Equivalent Grade) of B 472 R30556

Grade Standard Country Application
B-4
ASTM B-4
ASTM B-4
ASTM B-4

Relevant standard of B 472 R30556

B 472 (2010) Standard Specification for Nickel Alloy Billets and Bars for Reforging B-472-(2010).pdf

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