N07740 - ASTM B 637-2018

USA UNS	N07740
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

Chemical Element Composition Content (%)

Component	Fe	C	Si	Mn	P	S	Cr	Cu	Mo	Ti	Nb	B	Co	Al	More
Minimum Value	-	0.005	-	-	-	-	23.5	-	-	0.5	0.5	0.0008	15	0.2	Ni:余量
Maximum Value	3	0.08	1	1	0.03	0.03	25.5	0.5	2	2.5	2.5	0.006	22	2	Ni:余量

Mechanical Properties

heat treatment	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %
solution + precipitation hardening	psi ≥150000	psi ≥90000	≥20	≥18

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