A469 Grade 7 - ASTM A469/A469M-2007(R2022)

Grade	A469 Grade 7
Corresponding Standard	ASTM A469/A469M-2007(R2022) Standard Specification for Vacuum-Treated Steel Forgings for Generator Rotors
Classification	Cast Steel

A469 Grade 7 Chemical Element Composition Content (%)

Component	C	Si ^①	Mn	P	S	Cr	Ni	Mo	V
Minimum Value	-	-	-	-	-	1.25	3.25	0.3	0.05
Maximum Value	0.28	0.3	0.6	0.015	0.015	2	4	0.6	0.15

① Optional: For steel that is to be vacuum arc remelted a minimum silicon of 0.15 % may be specified.

A469 Grade 7 Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Impact Energy Absorption KV2 J
≥760	≥620	≥17	≥50	≥68

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!