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Description

USA SAE SAE HNV4 precipitation hardening and SAE HNV4 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: SAE HNV4
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel SAE HNV4 SAE USA precipitation hardening
SAE NV7(4140)
UNS H41400
SAE NV8
SAE NV9
SAE HNVl
UNS S64005
UNS S64006
SAE HNV2
UNS S65007
SAE HNV3

Chemical composition(mass fraction)(wt.%) of the SAE HNV4

C(%) Si(%) Mn(%) Cr(%) Ni(%)
0.45 3.30 0.40 7.00 1.00

Mechanical Properties of steel grade SAE HNV4

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
386 (≥) 733 (≥) 44 43 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical Properties of steel grade SAE HNV4

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
21 - -     0.33 -  
668 243 - 42.3 312   -  
761 - 44 33.2   413 444

Heat Treatment of steel grade SAE HNV4

Heat treated : 1549°C - 1737°C

Technological Curves of steel grade SAE HNV4

Cross Reference Table (Equivalent Grade) of SAE HNV4

Grade Standard Country Application
SAE NVl(1541) SAE USA precipitation hardening
SAE NV2(1547) SAE USA precipitation hardening
SAE NV3 SAE USA precipitation hardening
SAE NV4(3140) SAE USA precipitation hardening
SAE NV5(8645) SAE USA precipitation hardening
SAE NV6(5150) SAE USA precipitation hardening
SAE NV7(4140) SAE USA precipitation hardening
SAE NV8 USA precipitation hardening
SAE NV9 SAE USA precipitation hardening
SAE HNVl SAE USA precipitation hardening
SAE HNV2 SAE USA precipitation hardening
SAE HNV3 SAE USA precipitation hardening
SAE HNV4 SAE USA precipitation hardening
SAE HNV5 SAE USA precipitation hardening
SAE HNV6 SAE USA precipitation hardening
SAE HNV7(71360) SAE USA precipitation hardening
SAE HNV8 SAE USA precipitation hardening
SAE EVl SAE USA precipitation hardening
SAE EV2 SAE USA precipitation hardening
SAE EV3 SAE USA precipitation hardening

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