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

Location » Home » Grades > Special Alloy > Type Ⅰ

GBT Type Ⅰ

Profile

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

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 262~338 σb/MPa
Yield Strength 386 σ 0.2 ≥/MPa
Elongation 03 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 147~703 -
HRC 30 -

Physical Properties

Thermal expansion 52-84 e-6/K
Thermal conductivity 10-63 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3340-4028 째C
Density 6981-4331 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)
Type Ⅰ 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