34CrMo4 and 34CrMoS4 alloy steel mechanical properties at room temperature

 EN10083-3 34CrMo4 and 34CrMoS4 are hardening alloy steel for quenching and tempering. As a top five alloy steel supplier in China, BBN steel company offers 34CrMo4 alloy steel bar, 34CrMoS4 steel flat, 34CrMoS4 steel sheet, and 34CrMo4 hot rolled strips. 34CrMo4 hot rolled plate products with tight chemical composition, suitable for different applications and material thicknesses.

EN10083-3 34CrMo4 steel chemical composition(%)

Material	C	Si max	Mn	P max.	S	Cr	Mo
34CrMo4	0.30 - 0.37	0.40	0.6 0- 0.90	0.025	0.035 max	0.90 - 1.20	0.15 - 0.30
34CrMoS4	0.30 - 0.37	0.40	0.6 0- 0.90	0.025	0.020-0.040	0.90 - 1.20	0.15 - 0.30

34CrMo4 and 34CrMoS4 mechanical properties at room temperature

t ≤ 8mm			8mm < t ≤ 20mm			20mm < t ≤ 60mm			60mm <t ≤ 100mm			100 < t ≤ 160mm
Re min	Rm	A min	Re min	Rm	A min	Re min	Rm	A min	Re min	Rm	A min	Re min	Rm	A min
MPa	MPa	%	MPa	MPa	%	MPa	MPa	%	MPa	MPa	%	MPa	MPa	%
800	1000-1200	11	650	900 - 1100	12	550	800-950	14	500	750-900	16	450	700-850	15

Note: Re: upper yield strength
Rm: tensile strength
A: percentage elongation after fracture.

EN10083-3 34CrMo4 alloy steel specifications
Plate steel/flat bar: Size: Thickness: 0.1mm-800mm Width: 10mm to 1500mm
Round bar: Diameter : 1mm-2000mm
Square bar: Size: 50mm * 50mm-600mm *600mm
Cold-rolled sheet: Thickness:  2-5mm Width:1000mm Length: 2000mm
Hot-rolled sheet: Thickness:6-80mm Width: 210-610mm
Length: as customer requirement.
Manufacturing: forging/hot rolling/ extrusion of steel

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