G645.90 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G645.90

Location » Home » Grades > Special Alloy > G645.90

CSN G645.90

Profile

This page is mainly introduced the G645.90 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G645.90,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
G645.90
  • Steel Garde:G645.90
  • Type:Special Alloy
  • Country:Czech Republic
  • Standard:CSN
  • Application:The Czech republic Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 541~917 σb/MPa
Yield Strength 316 σ 0.2 ≥/MPa
Elongation 58 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 883~784 -
HRC 30 -

Physical Properties

Thermal expansion 28-27 e-6/K
Thermal conductivity 22-15 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4679-0075 째C
Density 5283-8442 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)
G645.90 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