En1A - BS 970-1955

Grade	En1A
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

En1A Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S
Minimum Value	0.07	-	0.8	-	0.2
Maximum Value	0.15	0.1	1.2	0.07	0.3

En1A Mechanical Properties

diameter or width across flats d mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %
Bars; d≤13.5	Cold drawn or cold rolled	≥494	≥10
Bars; 13.5<d≤38.1	Cold drawn or cold rolled	≥432	≥14
Bars; 38.1＜d≤63.5	Cold drawn or cold rolled	≥386	≥14
Bar; 63.5＜d≤101.6	Cold drawn or cold rolled	≥355	≥14
Bar; d≤101.6	Rolling, normalizing or bright treatment	≥349	≥26

• 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"!