N07725 - ASTM B 637-2018 - H2ABC

中文版

USA UNS	N07725
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	Nickel and Nickel Alloys
Properties	Corrosion Resistance High-Temperature Resistance

Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	Ti	Al	More
Minimum Value	-	-	-	-	-	19	55	7	1	-	Fe:余量；Nb+Ta:2.75~4.00
Maximum Value	0.03	0.2	0.35	0.015	0.01	22.5	59	9.5	1.7	0.35	Fe:余量；Nb+Ta:2.75~4.00

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
solution + precipitation hardening	psi ≥150000	psi ≥120000	≥20	≥35	≤393

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