4Cr14Ni14W2Mo

4Cr14Ni14W2Mo Stainless Steels to GB/T 1221 (1992)

4Cr14Ni14W2Mo - Specification & Application

  • GB/T 1221 (1992) - Heat-resisting steel bars
  • GB/T 12773 (1991) - Valve steel bars for internal combustion engines - Technical requirements
  • GB/T 4356 (1984) - Stainless steel wire rods

Heat-resisting steel bars

Chemical composition(wt.%) of 4Cr14Ni14W2Mo grade: to GB/T 1221 (1992)

Elements Min.（≥） Max.（≤） Similar Remarks
C 0.40 0.50
Si - 0.80
Mn - 0.70
P - 0.35
S - 0.03
Ni 13.00 15.00
Cr 13.00 15.00
Mo 0.25 0.40
W 2.00 2.75

4Cr14Ni14W2Mo - Detail

4Cr14Ni14W2Mo

Mechanical properties of grade 4Cr14Ni14W2Mo GB/T 1221 (1992)

Proof strength
Rp0.2 (MPa)		 Tensile strength
Rm (MPa)		 Impact energy
KV (J)		 Elongation at fracture
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
616 (≥) 132 (≥) 24 32 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical properties of grade 4Cr14Ni14W2Mo GB/T 1221 (1992)

Property Density
kg/dm3		 Temperature T
°C/F		 Specific heat
J / kgK		 Thermal conductivity
W/mK		 Electric resistance
µΩ·cm		 Modulus of elasticity
kN/mm2		 Expansion rate
873 (≥) 697 (≥) 34 44 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 224
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
145 256 521

Equivalent Grade

1 4Cr14Ni14W2Mo 2 4Cr14Ni14W2Mo

Equivalent Products

Product shapes we supply:

We can customize the production of 4Cr14Ni14W2Mo grade, contact us for the best solution.
–sales@specificsteel.com