Y1Cr18Ni9 Stainless Steels to GB/T 1221

Y1Cr18Ni9 - Specification & Application

  • GB/T 1221 - Round bar

Improve the machinability, ablation resistance. Suitable for automatic lathe production of bolt and nut

Chemical composition(wt.%) of Y1Cr18Ni9 grade: to GB/T 1221

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.15
Si - 1.00
Mn - 2.00
P - 0.200
S - 0.150
Ni 8.00 10.00
Cr 17.00 19.00

Y1Cr18Ni9 - Detail

Y1Cr18Ni9

Mechanical properties of grade Y1Cr18Ni9 GB/T 1221

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)
642 (≥) 653 (≥) 34 31 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical properties of grade Y1Cr18Ni9 GB/T 1221

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
725 (≥) 445 (≥) 12 44 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 241
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
645 246 849

Equivalent Products

We can customize the production of Y1Cr18Ni9 grade, contact us for the best solution.
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