K125L chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of K125L

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GB K125L

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This page is mainly introduced the K125L chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of K125L,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Directional Solidification Superalloy K125L

Cross Reference Table(Equivalent Materials):

Material Standard Country
DZ4125L GB China
DZ125L GB China

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.06  0.14
Cr 8.20  9.80
Co 9.20  10.80
W 6.20  10.80
Ni   Bal
Mo 1.50  2.50
Al 4.30  5.30
Ti 2.00  2.80
Fe   0.20
Ta 3.30  4.00
B 0.005  0.015
Zr   0.05
Si   0.15
Mn   0.15
P   0.001
S   0.010
Pb   0.0005
Sb   0.001
Sn   0.001
Bi   0.00005
Ag   0.0005

Mechanical Properties

Tensile strength 693~909 σb/MPa
Yield Strength 531 σ 0.2 ≥/MPa
Elongation 96 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 825~932 -
HRC 30 -

Physical Properties

Thermal expansion 79-03 e-6/K
Thermal conductivity 53-55 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4212-8071 째C
Density 8108-7151 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)
K125L Superalloys 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