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B 472 N08020

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B 468 N08020 B 473 N08020
#20Cb-3 #N08020

Description

USA SAE B 472 (2009), B 472 N08020 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 N08020
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel B 472 N08020 Austenite SAE USA Standard Specification for Nickel Alloy Billets and Bars for Reforging

Chemical composition(mass fraction)(wt.%) of the B 472 N08020

C Mn Si P S Cr Ni Mo Cu Nb
≤0.07 ≤2.00 ≤1.00 ≤0.045 ≤0.035 19.00 -21.00 32.00 -38.00 2.00 -3.00 3.00 -4.00 8×C％ -1.00

Mechanical Properties of steel grade B 472 N08020

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)
177 (≥) 825 (≥) 23 34 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade B 472 N08020

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
14 - -     0.31 -  
893 372 - 43.3 143   -  
329 - 11 43.2   313 232

Heat Treatment of steel grade B 472 N08020

Heat treated : 1855°C - 1262°C

Technological Curves of steel grade B 472 N08020

Cross Reference Table (Equivalent Grade) of B 472 N08020

Grade Standard Country Application
20Cb-3,20Mo-4,20Mo-6
N08020
N08020

Relevant standard of B 472 N08020

B 472 (2009) Standard Specification for Nickel Alloy Billets and Bars for Reforging B-472-(2009).pdf
B 468 N08020 B 473 N08020
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