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GB 0Cr18Ni9 Details

0Cr18Ni9 Stainless and heat resisting steels

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0Cr18Ni9 Application:Seamless stainless steel tubes for boiler and heat exchanger
Category Type Grade Microstructure Designations
Grades Stainless Steels & Special Steels 0Cr18Ni9 Austenite China - GB , GB 13296 (2007) - Seamless stainless steel tubes for boiler and heat exchanger
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 18705 (2002) - Welded stainless steel pipes for decoration
GB/T 3090 (2000) - Stainless steel small diameter seamless steel tubes
GB/T 3280 (2007) - Cold rolled stainless steel sheets and plates
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.(≤)
C - 0.07
Si - 1.00
Mn - 2.00
P - 0.035
S - 0.030
Ni 8.00 11.00
Cr 17.00 19.00
Mechanical properties of grade 0Cr18Ni9
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)
682 (≥) 789 (≥) 32 23 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 342
Physical properties of grade 0Cr18Ni9
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
367 (≥) 958 (≥) 21 32 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 122
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
142 255 184
0Cr18Ni9 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
0Cr18Ni9 GB China
Seamless stainless steel tubes for boiler and heat exchanger
0Cr18Ni9Cu3 GB China
Stainless steel bars
3Cr18Mn12Si2N GB China
Heat-resisting steel bars

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