19MnB4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 19MnB4

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19MnB4

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This page is mainly introduced the 19MnB4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 19MnB4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
19MnB4
  • Steel Garde:19MnB4
  • Type:Special Alloy
  • Application:Fasteners with stainless steel and nickel alloy for high temperature and low temperature (NF-EN 10269(1999))

Cross Reference Table(Equivalent Materials):

Material Standard Country
EN 19MnB4 EN Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 468~683 σb/MPa
Yield Strength 932 σ 0.2 ≥/MPa
Elongation 77 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 628~625 -
HRC 30 -

Physical Properties

Thermal expansion 72-84 e-6/K
Thermal conductivity 35-71 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7691-2176 째C
Density 4670-0068 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)
19MnB4 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