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1.2378 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.2378

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DIN 1.2378

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This page is mainly introduced the 1.2378 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.2378,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
High alloyed CrVMo steel

Steel Garde:1.2378
Type:Tool Die Steels
Country:Germany
Standard:DIN
Application:High alloyed CrVMo steel

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	2.15	2.30
Si	0.15	0.30
Mn	0.25	0.40
P		0.035
S		0.035
Cr	12.00	13.00
Mo	0.80	1.00
V	2.00	2.30

Mechanical Properties

Tensile strength	890～757	σb/MPa
Yield Strength	079	σ 0.2 ≥/MPa
Elongation	40	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	742～358	-
HRC	30	-

Physical Properties

Thermal expansion	49-69	e-6/K
Thermal conductivity	58-10	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9340-4339	째C
Density	8999-2861	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)
1.2378 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