ML30 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ML30

Location » Home » Grades > Special Alloy > ML30

GBT ML30

Profile

This page is mainly introduced the ML30 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ML30,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ML30
  • Steel Garde:ML30
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
ML30 GBT China
ML30Mn GBT China
ML30CrMo GBT China
ML30CrMnSiA GBT China
ML30CrMoA GBT China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 320~171 σb/MPa
Yield Strength 004 σ 0.2 ≥/MPa
Elongation 23 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 368~081 -
HRC 30 -

Physical Properties

Thermal expansion 43-92 e-6/K
Thermal conductivity 80-29 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1288-4053 째C
Density 9632-0010 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)
ML30 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

Hot keywords:ML30
Previous: ML25
Next: ML35