SCr440 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SCr440

Location » Home » Grades > Special Alloy > SCr440

CNS SCr440

Profile

This page is mainly introduced the SCr440 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SCr440,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SCr440
  • Steel Garde:SCr440
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:China Taiwan Structural steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
SCr440H CNS China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 719~991 σb/MPa
Yield Strength 260 σ 0.2 ≥/MPa
Elongation 44 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 270~208 -
HRC 30 -

Physical Properties

Thermal expansion 53-77 e-6/K
Thermal conductivity 07-09 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6738-9876 째C
Density 9564-7411 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)
SCr440 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