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AISI N07032 Details

N07032 Application:Steel for exhaust valves

Category Type Grade Designations
Grades Stainless Steels N07032 USA - AISI ,

Chemical composition(wt.%) of N07032 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.03 0.06
Si - 0.20
Mn - 0.20
P - 0.015
S - 0.015
Cr 22.3 22.9
Ni 55.0 58.0
Mo 1.70 2.30
Steel for exhaust valves

Mechanical properties of grade N07032

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)
642 (≥) 887 (≥) 33 42 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical properties of grade N07032

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
193 (≥) 822 (≥) 13 21 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 131
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
798 564 231

N07032 - Form of Supply

Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
HEV8 UNS USA
Steel for exhaust valves
N07032 AISI USA
Steel for exhaust valves

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