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AISI N07002 Details

Steel for exhaust valves

AISI N07002 Standard Download

N07002 Application:Steel for exhaust valves
Category Type Grade Designations
Grades Stainless Steels N07002 USA - AISI ,
Chemical composition(mass fraction)(wt.%)
Elements Min.(≥) Max.(≤) Similar Remarks
C 0.04 -
Si 0.08 -
Mn 2.25 -
P - -
S - -
Cr 16.0 -
Ni - remaining
Mechanical properties of grade N07002
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)
914 (≥) 653 (≥) 11 31 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 243
Physical properties of grade N07002
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
713 (≥) 149 (≥) 33 32 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 112
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
831 471 874
N07002 Range of products
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
HEV2 UNS USA
Steel for exhaust valves
N07002 AISI USA
Steel for exhaust valves