B418 Type 2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of B418 Type 2

SAE B418 Type 2

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This page is mainly introduced the B418 Type 2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of B418 Type 2,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Standard Specification for Cast and Wrought Galvanic Zinc Anodes

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.20
Si   0.50
Mn   1.00
P  
S  
Ni  
Cr   12.50
Al  
Cu  
Ti  
Fe   remaining
N  
Mo  
W   3.00

Mechanical Properties

Tensile strength 517~543 σb/MPa
Yield Strength 565 σ 0.2 ≥/MPa
Elongation 66 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 778~460 -
HRC 30 -

Physical Properties

Thermal expansion 66-73 e-6/K
Thermal conductivity 63-59 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7307-2813 째C
Density 7979-6166 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)
B418 Type 2 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