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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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AFNOR 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 for quenching and tempering for construction purposes - Technical delivery conditions

Steel Garde:34CrNiMo6
Type:Stainless Steels
Country:France
Standard:AFNOR

Standard Number:

ITEM	Standard Number	Descriptions
1	NF EN 10083-1	Steels for quenching and tempering - Part 1: General technical delivery conditions
2	NF EN 10083-3	Steels for quenching and tempering - Part 3: Technical delivery conditions for alloy steels
3	NF EN 10250-3	Open die steel forgings for general engineering purposes - Part 3: Alloy special steels
4	NF EN 10263-4	Steel rod, bars and wire for cold heading and cold extrusion - Part 4: Technical delivery conditions for steels for quenching and tempering
5	NF EN 10269	Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
6	NF EN 10277-5	Bright steel products - Technical delivery conditions - Part 5: Steels for quenching and tempering
7	NF EN 10343	Steels for quenching and tempering for construction purposes - Technical delivery conditions

Application:Steels for quenching and tempering for construction purposes - Technical delivery conditions

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	216～295	σb/MPa
Yield Strength	226	σ 0.2 ≥/MPa
Elongation	71	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	898～508	-
HRC	30	-

Physical Properties

Thermal expansion	38-01	e-6/K
Thermal conductivity	76-84	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5649-6245	째C
Density	8863-5057	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 Stainless Steels	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