03X18H12 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 03X18H12

GOST 03X18H12

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This page is mainly introduced the 03X18H12 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 03X18H12,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition
  • Steel Garde:03X18H12
  • Type:Stainless Steels
  • Country:Russia
  • Standard:GOST
  • Metallographic Structure:Austenite
  • Application:Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition

Cross Reference Table(Equivalent Materials):

Material Standard Country
03X18H12T GOST Russia

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.03
Si   0.40
Mn   0.40
P   0.030
S   0.020
Cr 17.00  19.00
Ni 11.50  13.00
Mo   0.30
W   0.20
Ti   0.005

Mechanical Properties

Tensile strength 177~055 σb/MPa
Yield Strength 358 σ 0.2 ≥/MPa
Elongation 73 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 649~591 -
HRC 30 -

Physical Properties

Thermal expansion 52-98 e-6/K
Thermal conductivity 19-81 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1905-6309 째C
Density 4048-9425 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)
03X18H12 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