1Cr18Ni9 Stainless Steels to GB 13296 (2007)

1Cr18Ni9 - Specification & Application

  • GB 13296 (2007) - Seamless stainless steel tubes for boiler and heat exchanger
  • GB 2270 (1980) - Seamless tubes
  • GB 5310 (1999) - Seamless steel tubes and pipes for high pressure boiler
  • GB/T 1220 (1992) - Stainless steel bars
  • GB/T 12770 (2002) - Welded stainless steel tubes for machine structures
  • GB/T 12771 (2000) - Welded stainless steel pipes for liquid delivery
  • GB/T 14975 (2002) - Stainless steel seamless tubes for structures
  • GB/T 14976 (2002) - Stainless steel seamless tubes for fluid transport
  • GB/T 18705 (2002) - Welded stainless steel pipes for decoration
  • GB/T 3280 (2007) - Cold rolled stainless steel sheets and plates
  • GB/T 4226 (2004) - Cold finished stainless steel bars
  • GB/T 4237 (1992) - Hot rolled stainless steel sheets and plates
  • GB/T 4239 (1991) - Cold rolled stainless steel and heat resisting steel strips
  • GB/T 4240 (1993) - ainless steel wires
  • GB/T 4356 (2002) - Stainless steel wire rods
  • JB/T 6398 (2006) - Heavy stainless acid resistant and heat resistant steel forgings

High strength after cold forming, but elongation than 1 cr17ni7 slightly worse. Used in architectural decoration parts

Chemical composition(wt.%) of 1Cr18Ni9 grade: to GB 13296 (2007)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.15
Si - 1.00
Mn - 2.00
P - 0.035
S - 0.030
Ni 8.00 10.00
Cr 17.00 19.00

1Cr18Ni9 - Detail

1Cr18Ni9

Mechanical properties of grade 1Cr18Ni9 GB 13296 (2007)

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)
531 (≥) 247 (≥) 33 14 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical properties of grade 1Cr18Ni9 GB 13296 (2007)

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
521 (≥) 632 (≥) 32 41 32 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
753 533 699

Equivalent Products

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