HP 9-4-25 - Cast Iron and Cast Steel

HP 9-4-25 Stainless Steels to SAE AMS 6546

HP 9-4-25 - Specification & Application

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

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(wt.%) of HP 9-4-25 grade: to SAE AMS 6546

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

HP 9-4-25 - Detail

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

Mechanical properties of grade HP 9-4-25 SAE AMS 6546

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)
335 (≥)	894 (≥)	42	23	13	Solution and Aging, Annealing, Ausaging, Q+T,etc	312

Physical properties of grade HP 9-4-25 SAE AMS 6546

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
367 (≥)	531 (≥)	33	44	34	Solution and Aging, Annealing, Ausaging, Q+T,etc	144
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0) N/mm2	Creep rupture strength (10000h) (Rp1,0) N/mm2
944	195	793

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 9-4-25 grade, contact us for the best solution.
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