ML28B chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ML28B

Location » Home » Grades > Special Alloy > ML28B

GBT ML28B

Profile

This page is mainly introduced the ML28B chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ML28B,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ML28B
  • Steel Garde:ML28B
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 170~676 σb/MPa
Yield Strength 211 σ 0.2 ≥/MPa
Elongation 67 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 645~301 -
HRC 30 -

Physical Properties

Thermal expansion 39-28 e-6/K
Thermal conductivity 36-54 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5433-9848 째C
Density 4152-0692 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)
ML28B 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:ML28B
Previous: ML20B
Next: ML35B