HP 9-4-30 - Cast Iron and Cast Steel

HP 9-4-30 Stainless Steels to SAE AMS 6524E (1991)

HP 9-4-30 - Specification & Application

SAE AMS 6524E (1991) - Steel, Sheet, Strip, and Plate 1.0Cr - 7.5Ni - 4.5Co - 1.0Mo - 0.09V (0.29 - 0.34C) Consumable Electrode Vacuum Melted, Annealed

Steel, Sheet, Strip, and Plate 1.0Cr - 7.5Ni - 4.5Co - 1.0Mo - 0.09V (0.29 - 0.34C) Consumable Electrode Vacuum Melted, Annealed

Chemical composition(wt.%) of HP 9-4-30 grade: to SAE AMS 6524E (1991)

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

HP 9-4-30 - Detail

Steel, Sheet, Strip, and Plate 1.0Cr - 7.5Ni - 4.5Co - 1.0Mo - 0.09V (0.29 - 0.34C) Consumable Electrode Vacuum Melted, Annealed

Mechanical properties of grade HP 9-4-30 SAE AMS 6524E (1991)

Proof strength R_p0.2 (MPa)	Tensile strength R_m (MPa)	Impact energy KV (J)	Elongation at fracture A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
849 (≥)	374 (≥)	23	13	34	Solution and Aging, Annealing, Ausaging, Q+T,etc	413

Physical properties of grade HP 9-4-30 SAE AMS 6524E (1991)

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
662 (≥)	834 (≥)	44	42	43	Solution and Aging, Annealing, Ausaging, Q+T,etc	221
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0) N/mm2	Creep rupture strength (10000h) (Rp1,0) N/mm2
783	234	752

Equivalent Grade

1 ASTM HP 2 A 646 Grade HP 9-4-20 3 HP 9-4-20 4 HP 9-4-20 5 HP 9-4-20 6 HP 9-4-20 7 HP 9-4-25 8 HP 9-4-25 9 A 646 Grade HP 9-4-30 10 HP 9-4-30 11 HP 9-4-30

Equivalent Products

Product shapes we supply:

We can customize the production of HP 9-4-30 grade, contact us for the best solution.
–sales@specificsteel.com