BH21A - BS 4659-1989

Grade	BH21A
Corresponding Standard	BS 4659-1989 Specification for Tool and Die Steels
Classification	Tool Steel

BH21A Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	W	V	Sn
Minimum Value	0.2	-	-	-	-	2.25	2	-	-	8.5	-	-
Maximum Value	0.3	0.4	0.4	0.035	0.035	3.25	2.5	0.2	0.6	10	0.5	0.05

BH21A Mechanical Properties

Heat Treatment or Condition	Hardness HBW
Annealing	≤255

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