En43A - BS 970-1955

Grade	En43A
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

En43A Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S
Minimum Value	0.45	0.05	0.7	-	-
Maximum Value	0.55	0.35	1	0.06	0.06

En43A 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
Bars, billets, forgings, mechanical bars, bright bars; d≤28.6	Normalizing	≥618	≥324	≥18	179~229
Bar, Ingot Billet, Forging, Machined Bar, Bright Bar; d≤50.8	Quenching and Tempering R	≥695	≥463	≥18	201~255
Bars, billets, forgings, mechanical bars, bright bars; d≤28.6	Quenching and Tempering S	≥772	≥510	≥18	223~277
Bar; d≤50.4	Cold Drawing	695~926		≥12	201~277

• 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"!