07X21Γ7AH5 Stainless Steels

07X21Γ7AH5 - Specification & Application

Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition

Chemical composition(wt.%) of 07X21Γ7AH5 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.07
Si - 0.70
Mn 6.00 7.50
P - 0.030
S - 0.030
Cr 19.50 21.00
Ni 5.00 6.00
Mo - 0.30
W - 0.20
Ti - 0.20
N 0.15 0.25

07X21Γ7AH5 - Detail

Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition

Mechanical properties of grade 07X21Γ7AH5

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)
758 (≥) 944 (≥) 21 33 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical properties of grade 07X21Γ7AH5

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
326 (≥) 623 (≥) 21 41 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 124
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
329 291 985

Equivalent Grade

Equivalent Products

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