EN10083-3 34CrMo4 steel VS 34CrMoS4 steel

EN10083-3 34CrMo4 steel VS 34CrMoS4 steel

EN10083-3 34CrMo4 steel VS 34CrMoS4 steel

EN10083-3 34CrMo4 steel VS 34CrMoS4 steel
Grade: 34CrMo4, 34CrMoS4
Standard: EN 10083-3: 2006
34CrMo4 material number: 1.7720
34CrMoS4 material number: 1.7726
34CrMo4 equivalent: DIN 34CrMo4, JIS SCM435H
Category: alloy steel for quenching and tempe

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EN10083-3 34CrMo4 steel VS 34CrMoS4 steel

EN10083-3 34CrMo4 steel VS 34CrMoS4 steel

Grade: 34CrMo4, 34CrMoS4
Standard: EN 10083-3: 2006
34CrMo4 material number: 1.7720
34CrMoS4 material number: 1.7726
34CrMo4 equivalent: DIN 34CrMo4, JIS SCM435H
Category: alloy steel for quenching and tempering
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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