W50318 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of W50318

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AISI W50318

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This page is mainly introduced the W50318 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of W50318,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Martensitic 7% Cr-Mo steel arc welding electrode (E8018-B7)

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.08
Si   1.00
Mn   2.00
P   0.045
S   0.03
Ni 13.00  15.00
Cr 17.00  19.00
Al  
Cu  
Ti  
Fe  
N  
Mo 1.75  2.75
V  

Mechanical Properties

Tensile strength 425~029 σb/MPa
Yield Strength 584 σ 0.2 ≥/MPa
Elongation 94 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 920~739 -
HRC 30 -

Physical Properties

Thermal expansion 01-61 e-6/K
Thermal conductivity 19-21 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7117-5588 째C
Density 3327-9765 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)
W50318 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

Technical specification/standard for download