Location » Home » Grades > Special Alloy > SAE HEV8
SAE HEV8 Application:precipitation hardening
Category Type Steel grade Standard Country
Grades Special Alloy SAE HEV8 SAE USA

Chemical composition % of the ladle analysis of grade SAE HEV8

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%)
0.03-0.06 0.03-0.06 Max 0.20 Max 0.015 Max 0.015 22.3-22.9 55.0-58.0 55.0-58.0
SAE HEV8
Mechanical properties of grade SAE HEV8
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)
927 (≥) 532 (≥) 41 33 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 443
Physical properties of grade SAE HEV8
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
334 (≥) 751 (≥) 43 12 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 342
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
323 755 199
SAE HEV8 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
HEV8 SAE USA
Steel for exhaust valves
N07032 SAE USA
Steel for exhaust valves

Enquiry