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GB 1Cr18Ni11SiA1Ti Details

1Cr18Ni11SiA1Ti

GB 1Cr18Ni11SiA1Ti Standard Download

1Cr18Ni11SiA1Ti Application:Stainless steel bars
Category Type Grade Microstructure Designations
Grades Stainless Steels 1Cr18Ni11SiA1Ti Austenitic-Ferritic(Duplex steel) China - GB , GB/T 1220 (1992) | GB/T 3280 (2007) |
Chemical composition(mass fraction)(wt.%)
Elements Min.(≥) Max.(≤) Similar Remarks
C 0.10 0.18
Si 3.40 4.00
Mn - 0.80
P - 0.035
S - 0.030
Ni 10.00 12.00
Cr 17.50 19.50
Al 0.10 0.30
Ti 0.40 0.70
Mechanical properties of grade 1Cr18Ni11SiA1Ti
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)
796 (≥) 388 (≥) 22 33 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 443
Physical properties of grade 1Cr18Ni11SiA1Ti
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
556 (≥) 125 (≥) 32 41 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 323
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
751 551 743
1Cr18Ni11SiA1Ti 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
1Cr18Ni11SiA1Ti GB China
Stainless steel bars