ISO 8b chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO 8b

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ISO ISO 8b

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This page is mainly introduced the ISO 8b chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO 8b,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ISO standard thermal deformation of stainless steel
  • Steel Garde:ISO 8b
  • Type:Special Alloy
  • Country:ISO
  • Standard:ISO
  • Application:ISO standard thermal deformation of stainless steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
12X8BΦ ГОСТ Russia
OLC38B STAS/SR Romania
ML28B GBT China
STKM18B CNS China
XH28BMAБ ГОСТ Russia
XH38BT ГОСТ Russia
XH58B ГОСТ Russia

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 134~177 σb/MPa
Yield Strength 311 σ 0.2 ≥/MPa
Elongation 52 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 293~160 -
HRC 30 -

Physical Properties

Thermal expansion 16-19 e-6/K
Thermal conductivity 65-99 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1643-9627 째C
Density 8337-3025 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)
ISO 8b 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