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

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GBT 30Mn

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

Cross Reference Table(Equivalent Materials):

Material Standard Country
30MnB5 UNE Spain
30Mn2 GBT China
ML30Mn GBT China
EN 30MnvS6 EN Euronorm
EN 30MnB5 EN Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 899~151 σb/MPa
Yield Strength 694 σ 0.2 ≥/MPa
Elongation 61 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 539~442 -
HRC 30 -

Physical Properties

Thermal expansion 48-73 e-6/K
Thermal conductivity 80-96 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4726-8800 째C
Density 8765-8960 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)
30Mn 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

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