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GB 1Cr18Ni11SiA1Ti Details

1Cr18Ni11SiA1Ti Application:Stainless steel bars

Category Type Grade Microstructure Designations
Grades Stainless Steels 1Cr18Ni11SiA1Ti Austenitic-Ferritic(Duplex steel) China - GB , GB/T 1220 (1992) - Stainless steel bars
GB/T 3280 (2007) - Cold rolled stainless steel sheets and plates

Chemical composition(wt.%) of 1Cr18Ni11SiA1Ti grade: GB/T 1220 (1992)

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
1Cr18Ni11SiA1Ti

Mechanical properties of grade 1Cr18Ni11SiA1Ti GB/T 1220 (1992)

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)
639 (≥) 186 (≥) 21 42 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical properties of grade 1Cr18Ni11SiA1Ti GB/T 1220 (1992)

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
523 (≥) 132 (≥) 12 13 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 113
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
362 736 432

1Cr18Ni11SiA1Ti - 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
1Cr18Ni11SiA1Ti GB China
Stainless steel bars

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