34CrS4 - ISO 683-2-2016

Grade	34CrS4
Corresponding Standard	ISO 683-2-2016 Alloy steels for quenching and tempering
Classification	Alloy Steel

34CrS4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Cu
Minimum Value	0.3	0.1	0.6	-	0.02	0.9	-
Maximum Value	0.37	0.4	0.9	0.025	0.04	1.2	0.4

34CrS4 Mechanical Properties

	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW	Impact Energy Absorption KV2 J
Bar, flat material, forging; d≤16 or t≤8	Quenching and Tempering	900~1100	≥700	≥12	≥35
Bar, flat material, forging; 16<d≤40 or 8<t≤20	Quenching and Tempering	800~950	≥590	≥14	≥40		≥40
Bar, flat material, forging; 40<d≤100 or 20<t≤60	Quenching and Tempering	700~850	≥460	≥15	≥45		≥40
Bars, semi-finished products	Processed to improve shearability (+S)					≤255
Bars, flat products, forgings, semi-finished products, rebar	Soft Annealing (+A)					≤223

Approximate Comparison Table

International Organization for Standardization	Germany		France	European Standard
ISO	DIN EN/DIN	W-Nr.	NF EN/NF	EN	Numerical Grade
34CrS4	34CrS4	1.7037	32C4u	34CrS4	1.7037

34CrS4 Corresponding Standards(Same grade name, different standards)

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