A732 Grade 9Q IC 4330 - ASTM A732/A732M-2020

Grade	A732 Grade 9Q
Other Names
Corresponding Standard	ASTM A732/A732M-2020 Standard Specification for Castings, Investment, Carbon and Low-Alloy Steel for General Application, and Cobalt Alloy for High Strength at Elevated Temperatures
Classification	Alloy Steel

A732 Grade 9Q Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu ^①	Mo	W ^①
Minimum Value	0.25	0.2	0.4	-	-	0.7	1.65	-	0.2	-
Maximum Value	0.35	0.8	0.7	0.04	0.045	0.9	2	-	0.3	-
Nominal Value	-	-	-	-	-	-	-	0.5	-	0.1

① Total content of these residual elements：0.60%.

A732 Grade 9Q Mechanical Properties

Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
Q+T: Quenched and tempered	≥1030	≥793	7

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