1.4988 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.4988

Location » Home » Grades > Special Alloy > 1.4988

DIN 1.4988

Profile

This page is mainly introduced the 1.4988 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.4988,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
1.4988
  • Steel Garde:1.4988
  • Type:Special Alloy
  • Country:Germany
  • Standard:DIN
  • Application:The high-temperature and high-strength steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 764~260 σb/MPa
Yield Strength 566 σ 0.2 ≥/MPa
Elongation 83 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 867~497 -
HRC 30 -

Physical Properties

Thermal expansion 98-54 e-6/K
Thermal conductivity 00-67 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4079-1928 째C
Density 5982-0020 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)
1.4988 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