1.2250, 45WCrV7, 45WCrV8 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.2250, 45WCrV7, 45WCrV8

DIN 1.2250, 45WCrV7, 45WCrV8

Profile

This page is mainly introduced the 1.2250, 45WCrV7, 45WCrV8 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.2250, 45WCrV7, 45WCrV8,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.45  0.55
Cr 1.25  1.75
Mo   0.40
W 1.00  3.00
V 0.15  0.30
Mn 0.20  0.40
Si 0.25  0.45
P   0.03
S   0.03

Mechanical Properties

Tensile strength 703~176 σb/MPa
Yield Strength 222 σ 0.2 ≥/MPa
Elongation 16 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 869~194 -
HRC 30 -

Physical Properties

Thermal expansion 33-07 e-6/K
Thermal conductivity 43-71 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7447-2050 째C
Density 7022-5482 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)
1.2250, 45WCrV7, 45WCrV8 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

Technical specification/standard for download