En41A - BS 970-1955

Grade	En41A
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

En41A Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	Al
Minimum Value	0.25	0.1	-	-	-	1.4	-	0.1	0.9
Maximum Value	0.35	0.45	0.65	0.05	0.05	1.8	0.4	0.25	1.3

En41A Mechanical Properties

diameter or width across flats d mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW	Impact Energy Absorption KV2 J
Bars, billets, forgings; d≤152.4	Quenching and Tempering R	≥695	≥525	≥20	201~255	≥54
Bars, billets, forgings; d≤101.6	Quenching and Tempering S	≥772	≥587	≥19	223~277	≥54
Bar, Billet, Forging; d≤63.5	Quenching and Tempering (T)	≥894	≥679	≥17	248~302	≥47

• 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"!