30MoCrNi20X chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 30MoCrNi20X

STAS/SR 30MoCrNi20X

Profile

This page is mainly introduced the 30MoCrNi20X chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 30MoCrNi20X,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
30MoCrNi20X
  • Steel Garde:30MoCrNi20X
  • Type:Special Alloy
  • Country:Romania
  • Standard:STAS/SR
  • Application:Alloy structural steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
30MoCrNi20XS STAS/SR Romania

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 595~178 σb/MPa
Yield Strength 592 σ 0.2 ≥/MPa
Elongation 60 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 198~040 -
HRC 30 -

Physical Properties

Thermal expansion 06-34 e-6/K
Thermal conductivity 85-74 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8007-7043 째C
Density 7760-8243 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)
30MoCrNi20X Special Alloy 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