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34CrNiMo6 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 34CrNiMo6

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This page is mainly introduced the 34CrNiMo6 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 34CrNiMo6,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties

Steel Garde:34CrNiMo6
Type:Structural Steel
Standard Number:

ITEM Standard Number Descriptions

1 EN 10269 Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
Application:Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties

ITEM	Standard Number	Descriptions
1	EN 10269	Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.30	0.38
Si		0.40
Mn	0.50	0.80
P		0.035
S		0.035
Cr	1.30	1.70
Ni	1.30	1.70
Mo	0.15	0.30

Mechanical Properties

Tensile strength	557～382	σb/MPa
Yield Strength	889	σ 0.2 ≥/MPa
Elongation	66	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	497～918	-
HRC	30	-

Physical Properties

Thermal expansion	73-03	e-6/K
Thermal conductivity	49-42	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3324-7872	째C
Density	4429-6457	kg/m³
Resistivity	0.50-0.60	Ohm.mm²/m

Heat Treatment Regime

Annealing	Quenching	Tempering	Normalizing	Q & T
√	√	√	√	√

Size Availability

Steel Grade	Specification	Processing range(mm)
34CrNiMo6 Structural Steel	Round Bar and Hollow Bar	Φ1 to Φ2000
	Square and Flat Steel	Φ10 to Φ100
	Plate and Sheet	0.08-800(Thickness)10-1500(Width)Length
	Tube or Pipe	OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
	Coil and Strip Steel	THK:0.1mm Width:1500mm
	Forged	Ring/Cylindrical/Disk