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
  • Steel Garde:K125L
  • Type:Superalloys
  • Country:China
  • Standard:GB
  • Application:Directional Solidification Superalloy

Cross Reference Table(Equivalent Materials):

Material Standard Country
DZ4125L GB China
DZ125L GB China

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤)
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 796~613 σb/MPa
Yield Strength 339 σ 0.2 ≥/MPa
Elongation 51 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 577~521 -
HRC 30 -

Physical Properties

Thermal expansion 99-08 e-6/K
Thermal conductivity 80-46 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0774-9506 째C
Density 5206-4693 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

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