En15A - BS 970-1955

Grade	En15A
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

En15A Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S
Minimum Value	0.3	0.05	1.3	-	-
Maximum Value	0.4	0.35	1.7	0.06	0.06

En15A 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
Bar, billet, forged product; d ≤ 101.6	Quenching and Tempering Q	≥618	≥432	≥22	179~229	≥34
Bars, Billets, Forgings; d≤63.5	Quenching and Tempering R	≥695	≥525	≥20	201~255	≥34
Bars, billets, forgings; d≤22.2	Quenching and Tempering S	≥772	≥587	≥20	223~277	≥34

• 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"!