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55NiCrMoV6 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 55NiCrMoV6

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DIN 55NiCrMoV6

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This page is mainly introduced the 55NiCrMoV6 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 55NiCrMoV6,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Low alloyed NiCrMo steel

Steel Garde:55NiCrMoV6
Type:Tool Die Steels
Country:Germany
Standard:DIN
Application:Low alloyed NiCrMo steel

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.50	0.60
Si	0.10	0.40
Mn	0.65	0.95
P		0.030
S		0.030
Cr	0.60	0.80
Mo	0.25	0.35
V	0.07	0.12
Ni	1.50	1.80

Mechanical Properties

Tensile strength	631～724	σb/MPa
Yield Strength	778	σ 0.2 ≥/MPa
Elongation	44	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	838～188	-
HRC	30	-

Physical Properties

Thermal expansion	30-99	e-6/K
Thermal conductivity	18-64	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1728-6683	째C
Density	6016-8985	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)
55NiCrMoV6 Tool Die 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