ER 307 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ER 307

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International ER 307

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This page is mainly introduced the ER 307 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ER 307,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Bare Stainless Steel Welding Electrodes and Rods

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.15
Si   1.00
Mn 3.75  4.75
P   0.045
S   0.03
Ni 9.00  10.50
Cr 19.00  22.00
Al  
Cu  
Ti  
Fe  
N  
Mo  
V  

Mechanical Properties

Tensile strength 127~032 σb/MPa
Yield Strength 397 σ 0.2 ≥/MPa
Elongation 69 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 889~542 -
HRC 30 -

Physical Properties

Thermal expansion 16-24 e-6/K
Thermal conductivity 17-32 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8920-6099 째C
Density 1746-8516 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)
ER 307 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