Y1Cr18Ni9Se Stainless Steels to GB/T 1220 (1992)

Y1Cr18Ni9Se - Specification & Application

  • GB/T 1220 (1992) - Stainless steel bars
  • GB/T 4226 (2004) - Cold finished stainless steel bars
  • GB/T 4240 (1993) - Stainless steel wires
  • GB/T 4356 (1984) - Stainless steel wire rods

Improve the machinability, ablation resistance. Suitable for automatic lathe production of rivets, screws

Chemical composition(wt.%) of Y1Cr18Ni9Se grade: to GB/T 1220 (1992)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.15
Si - 1.00
Mn - 2.00
P - 0.200
S - 0.060
Ni 8.00 10.00
Cr 17.00 19.00
Se - 0.15

Y1Cr18Ni9Se - Detail

Y1Cr18Ni9Se Stainless and heat resisting steels

Austenitic stainless steel. Grade Y1Cr18Ni9Se was replaced by new designation Y12Cr18Ni9Se according to GB/T 20878 (2007)

Mechanical properties of grade Y1Cr18Ni9Se GB/T 1220 (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)
332 (≥) 313 (≥) 12 31 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical properties of grade Y1Cr18Ni9Se GB/T 1220 (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
917 (≥) 449 (≥) 22 33 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 234
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
617 332 198

Equivalent Grade

Equivalent Products

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