N07752 - ASTM B 637-2018 - H2ABC

中文版

USA UNS	N07752
Corresponding Standard	ASTM B 637-2018 Standard Specification for Precipitation-Hardening and Cold Worked Nickel Alloy Bars, Forgings, and Forging Stock for Moderate or High Temperature Service
Classification	Alloy Steel
Properties	Corrosion Resistance High-Temperature Strength

Chemical Element Composition Content (%)

Component	Fe	C	Si	Mn	P	S	Cr	Ni	Cu	Ti	V	Zr	B	Co	Al	More
Minimum Value	5	0.02	-	-	-	-	14.5	70	-	2.25	-	-	-	-	0.4	Nb+Ta:0.7~1.20
Maximum Value	9	0.06	0.5	1	0.008	0.003	17	-	0.5	2.75	0.1	0.05	0.007	0.05	1	Nb+Ta:0.7~1.20

Mechanical Properties

heat treatment	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW
Class 1, 1975°F (1080°C) solution annealing + precipitation hardening	psi 160000~185000	psi 100000~130000	≥20	≥20	267~363
Class 2, 1975°F (1080°C) solution annealing + precipitation hardening	psi ≥140000	psi ≥850000	≥20	≥20

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