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HP 9-4-30

Description

USA UNS SAE AMS 6526G (2012), HP 9-4-30 Specialsteel Steel, Bars, Forgings, Tubing, and Rings 1.0Cr - 7.5Ni - 4.5Co - 1.0Mo - 0.09V (0.29 - 0.34C) Consumable Electrode Vacuum Remelted, Annealed and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: HP 9-4-30
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel HP 9-4-30 Precipitation-Hardening UNS USA Steel, Bars, Forgings, Tubing, and Rings 1.0Cr - 7.5Ni - 4.5Co - 1.0Mo - 0.09V (0.29 - 0.34C) Consumable Electrode Vacuum Remelted, Annealed

Chemical composition(mass fraction)(wt.%) of the HP 9-4-30

C Si Mn Ni Cr Al Cu Ti Fe Mo Co V P S
0.29 -0.34 ≤0.10 0.10 -0.35 7.00 -8.00 0.90 -1.10 ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ 0.90 -1.10 4.25 -4.75 0.06 -0.12 ≤0.01 ≤0.01

Mechanical Properties of steel grade HP 9-4-30

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)
991 (≥) 263 (≥) 11 13 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade HP 9-4-30

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
14 - -     0.22 -  
329 854 - 33.3 331   -  
664 - 41 41.2   333 334

Heat Treatment of steel grade HP 9-4-30

Heat treated : 1964°C - 1222°C

Technological Curves of steel grade HP 9-4-30

Cross Reference Table (Equivalent Grade) of HP 9-4-30

Relevant standard of HP 9-4-30

SAE AMS 6526G (2012) Steel, Bars, Forgings, Tubing, and Rings 1.0Cr - 7.5Ni - 4.5Co - 1.0Mo - 0.09V (0.29 - 0.34C) Consumable Electrode Vacuum Remelted, Annealed SAE-AMS-6526G-(2012).pdf

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