N07090 Stainless Steels

N07090 - Specification & Application

Steel for exhaust valves

Chemical composition(wt.%) of N07090 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.05
Si - 1.50
Mn - 1.00
P - -
S - -
Cr - 20.0
Ni - remaining

N07090 - Detail

Steel for exhaust valves

Mechanical properties of grade N07090

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)
816 (≥) 978 (≥) 41 41 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical properties of grade N07090

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
855 (≥) 683 (≥) 23 12 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 211
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
612 228 467

Equivalent Products

We can customize the production of N07090 grade, contact us for the best solution.
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