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HP 9-4-20


HP 9-4-20 material is ASTM SAE AMS 6523G (2011) Steel, Sheet, Strip, and Plate 0.75Cr - 9.0Ni - 4.5Co - 1.0Mo - 0.09V (0.17 - 0.23C) Vacuum Consumable Electrode Melted, Annealed Steel, Sheet, Strip, and Plate 0.75Cr - 9.0Ni - 4.5Co - 1.0Mo - 0.09V (0.17 - 0.23C) Vacuum Consumable Electrode Melted, Annealed.

Chemical composition of HP 9-4-20, HP 9-4-20 mechanical properties, HP 9-4-20 datasheet, HP 9-4-20 equivalent grade, Heat treatment and temperature process of HP 9-4-20.


HP 9-4-20 property sheet

HP 9-4-20 Spec.

ASTM SAE AMS 6523G (2011)
Steel, Sheet, Strip, and Plate 0.75Cr - 9.0Ni - 4.5Co - 1.0Mo - 0.09V (0.17 - 0.23C) Vacuum Consumable Electrode Melted, Annealed

Chemical Composition of HP 9-4-20

C: 0.17 0.23
Si: Max 0.10
Mn: Max 0.20
Ni: Max 0.65
Cr: Max 0.40
Al: 4.25 4.75
Cu: Max Min
Ti: Max Min
Fe: Max Min
Mo: Max 0.85
Co: 8.50 9.50
V: 0.06 0.12
P: Max 0.01
S: Max 0.01
W: 0.90 1.10

Mechanical Properties of HP 9-4-20

Rp0.2 (MPa) 949 (≥)
Rm (MPa) 538 (≥)
AKV (J) 44
A (%) 21
Z (%) 21
Hardness HBW 141

HP 9-4-20 shape and dimensions

HP 9-4-20 Round bar: 1mm-800mm
HP 9-4-20 Square bar: 10mm * 10mm-600mm *600mm
HP 9-4-20 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
HP 9-4-20 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
HP 9-4-20 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
HP 9-4-20 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes