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GB 0Cr18Ni9 Details

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0Cr18Ni9 Application:Seamless stainless steel tubes for boiler and heat exchanger

Category Type Grade Microstructure Designations
Grades Stainless 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(wt.%) of 0Cr18Ni9 grade: GB 13296 (2007)

Elements Min.(≥) Max.(≤) Similar Remarks
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
0Cr18Ni9 Stainless and heat resisting steels

Mechanical properties of grade 0Cr18Ni9 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)
787 (≥) 979 (≥) 24 24 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical properties of grade 0Cr18Ni9 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
188 (≥) 371 (≥) 23 23 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 434
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
247 359 572

0Cr18Ni9 - Form of Supply

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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