En3 - BS 970-1955

Grade	En3
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	Carbon Steel

En3 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S
Minimum Value	-	0.05	-	-	-
Maximum Value	0.25	0.35	1	0.06	0.06

En3 Mechanical Properties

diameter or width across flats d mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %
Bars, billets, forgings, mechanical bars; d≤152.4	Hot rolling or normalizing	386~540	≥25

• 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"!