ISO H3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO H3

Location » Home » Grades > Special Alloy > ISO H3

ISO ISO H3

Profile

This page is mainly introduced the ISO H3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO H3,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ISO standard iron grain size heat resistant steel
  • Steel Garde:ISO H3
  • Type:Special Alloy
  • Country:ISO
  • Standard:ISO
  • Application:ISO standard iron grain size heat resistant steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 041~952 σb/MPa
Yield Strength 121 σ 0.2 ≥/MPa
Elongation 37 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 754~917 -
HRC 30 -

Physical Properties

Thermal expansion 76-22 e-6/K
Thermal conductivity 42-53 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3470-1078 째C
Density 8034-5815 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 H3 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