B 472 N08020 Stainless Steels to B 472 (2009)

B 472 N08020 - Specification & Application

  • B 472 (2009) - Standard Specification for Nickel Alloy Billets and Bars for Reforging

Standard Specification for Nickel Alloy Billets and Bars for Reforging

Chemical composition(wt.%) of B 472 N08020 grade: to B 472 (2009)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.07
Mn - 2.00
Si - 1.00
P - 0.045
S - 0.035
Cr 19.00 21.00
Ni 32.00 38.00
Mo 2.00 3.00
Cu 3.00 4.00
Nb 8×C% 1.00

B 472 N08020 - Detail

Standard Specification for Nickel Alloy Billets and Bars for Reforging

Mechanical properties of grade B 472 N08020 B 472 (2009)

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
886 (≥) 969 (≥) 32 42 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical properties of grade B 472 N08020 B 472 (2009)

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
941 (≥) 585 (≥) 22 21 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 312
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
821 165 997

Equivalent Products

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