En58A - BS 970-1955

Grade	En58A
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	Austenitic Stainless Steel

En58A Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	More
Minimum Value	-	0.2	-	-	-	17	7	Ni+Cr≥25
Maximum Value	0.16	-	2	0.045	0.045	20	10	Ni+Cr≥25

En58A 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 %	Impact Energy Absorption KV2 J
Bar, square bloom, forging; d≤152.4	Heat Treatment	≥540	≥185	≥30	≥68

• 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

En58A Corresponding Standards(Same grade name, different standards)

1	BS 970-4-1970
	(EN58A) 302S25
2	BS 970-1955
	En58A

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!