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125Cr2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 125Cr2

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DIN 125Cr2

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This page is mainly introduced the 125Cr2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 125Cr2,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Cold rolled narrow steel strip for heat treatment - Technical delivery conditions - Part 4: Spring steels and other applications

Steel Garde:125Cr2
Type:Tool Die Steels
Country:Germany
Standard:DIN

Standard Number:

ITEM	Standard Number	Descriptions
1	DIN EN 10132-4	Cold rolled narrow steel strip for heat treatment - Technical delivery conditions - Part 4: Spring steels and other applications

Application:Cold rolled narrow steel strip for heat treatment - Technical delivery conditions - Part 4: Spring steels and other applications

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	1.20	1.30
Si	0.15	0.30
Mn	0.25	0.40
P		0.030
S		0.030
Cr	0.30	0.40
Mo
V

Mechanical Properties

Tensile strength	732～368	σb/MPa
Yield Strength	801	σ 0.2 ≥/MPa
Elongation	39	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	224～422	-
HRC	30	-

Physical Properties

Thermal expansion	49-96	e-6/K
Thermal conductivity	25-53	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7442-7957	째C
Density	5356-7280	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)
125Cr2 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