En53 - BS 970-1955

Grade	En53
Corresponding Standard	BS 970-1955 Wrought steels in the form of bars, billets and forgings up to 6 in. ruling section for automobile and general engineering purpose
Classification	Alloy Steel

En53 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni
Minimum Value	0.55	1.4	0.3	-	-	5.75	-
Maximum Value	0.65	1.7	0.6	0.05	0.05	6.75	0.5

En53 Mechanical Properties

diameter or width across flats d mm	Heat Treatment or Condition	Hardness HBW	Impact Energy Absorption KV2 J
Bar; d≤28.6	Quenching and Tempering	235~285	≥16

• d-diameter or width across flats/mm
• The unit conversion for strength is based on: 1tons/sq.in=15.44N/mm2
• The unit conversion for impact energy absorption is based on: 1ft.lb=1.3558J

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