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GB 1Cr18Ni9Ti Details

1Cr18Ni9Ti

GB 1Cr18Ni9Ti Standard Download

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1Cr18Ni9Ti Application:Seamless stainless steel tubes for boiler and heat exchanger
Category Type Grade Microstructure Designations
Grades Stainless Steels 1Cr18Ni9Ti Austenite China - GB , GB 13296 (2007) - Seamless stainless steel tubes for boiler and heat exchanger
GB 2270 (1980) - Seamless tubes
GB 4238 (1992) - Heat-resisting steel sheets and plates
GB/T 1220 (1992) - Stainless steel bars
GB/T 1221 (1992) - Heat-resisting 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 3089 (1982) - Thinnest-wall seamless tubes of stainless and acid-resistance steel
GB/T 3090 (2000) - Stainless steel small diameter seamless steel tubes
GB/T 3280 (1992) - 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) - Stainless steel wires
GB/T 4356 (2002) - Stainless steel wire rods
JB 4728 (2000) - Stainless steel forgings for pressure vessels
JB/T 6398 (2006) - Heavy stainless acid resistant and heat resistant steel forgings
Chemical composition(mass fraction)(wt.%)
Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.12
Si - 1.00
Mn - 2.00
P - 0.035
S - 0.030
Ni 8.00 11.00
Cr 17.00 19.00
Ti - 5x(C%-0.02)-0.80
Mechanical properties of grade 1Cr18Ni9Ti
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)
164 (≥) 351 (≥) 14 24 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 411
Physical properties of grade 1Cr18Ni9Ti
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
187 (≥) 139 (≥) 32 31 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 322
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
469 544 343
1Cr18Ni9Ti Range of products
Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
1Cr18Ni9Ti GB China
Seamless stainless steel tubes for boiler and heat exchanger