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HP 9-4-25

Description

USA UNS SAE AMS 6546F, HP 9-4-25 Specialsteel Steel Sheet, Strip, and Plate 0,48Cr - 8,0Ni - 4,0Co - 4,48Mo - 0,09V - (0,24 - 0,30C) Consumable Electrode Melted, Annealed and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: HP 9-4-25
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel HP 9-4-25 Precipitation-Hardening UNS USA Steel Sheet, Strip, and Plate 0,48Cr - 8,0Ni - 4,0Co - 4,48Mo - 0,09V - (0,24 - 0,30C) Consumable Electrode Melted, Annealed

Chemical composition(mass fraction)(wt.%) of the HP 9-4-25

C Si Mn Ni Cr Al Cu Ti Fe Mo Co V P S
0.24 -0.30 ≤0.10 0.10 -0.35 7.00 -9.00 0.35 -0.60 ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ 0.35 -0.60 3.50 -4.50 0.06 -0.12 ≤0.01 ≤0.01

Mechanical Properties of steel grade HP 9-4-25

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)
812 (≥) 556 (≥) 42 23 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical Properties of steel grade HP 9-4-25

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
33 - -     0.24 -  
859 911 - 13.3 321   -  
676 - 41 12.2   142 344

Heat Treatment of steel grade HP 9-4-25

Heat treated : 1379°C - 1826°C

Technological Curves of steel grade HP 9-4-25

Cross Reference Table (Equivalent Grade) of HP 9-4-25

Relevant standard of HP 9-4-25

SAE AMS 6546F Steel Sheet, Strip, and Plate 0,48Cr - 8,0Ni - 4,0Co - 4,48Mo - 0,09V - (0,24 - 0,30C) Consumable Electrode Melted, Annealed SAE-AMS-6546F.pdf

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