A623 Type D - ASTM A 623-2022

Grade	A623 Type D
Corresponding Standard	ASTM A 623-2022 Standard Specification for Tin Mill Products, General Requirements
Classification	Carbon Steel

A623 Type D Chemical Element Composition Content (%)

Component	C	Si ^①②	Mn	P	S	Cr	Ni	Cu	Mo	Al ^③	Other Individual
Minimum Value	-	-	-	-	-	-	-	-	-	-	-
Maximum Value	0.12	0.02	0.6	0.02	0.03	0.1	0.15	0.2	0.05	0.2	0.02

① When steel produced by the silicon killed method is ordered, the silicon maximum may be increased to 0.080 %.
② When strand cast steel produced by the aluminum killed method is ordered or furnished, the silicon maximum may be increased to 0.030 % when approved by the purchaser.
③ Types L and MR may be supplied as non-killed or killed, which would respectively be produced without and with aluminum additions. Minimum aluminum level for Type D is usually 0.02 %.

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