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GB 1Cr17 Details

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1Cr17 Application:Seamless stainless steel tubes for boiler and heat exchanger

Category Type Grade Microstructure Designations
Grades Stainless Steels 1Cr17 Ferrite 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 14975 (2002) - Stainless steel seamless tubes for structures
GB/T 14976 (2002) - Stainless steel seamless tubes for fluid transport
GB/T 3280 (2007) - 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

Chemical composition(wt.%) of 1Cr17 grade: GB 13296 (2007)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.12
Si - 0.75
Mn - 1.00
P - 0.035
S - 0.030
Ni - 0.60
Cr 16.00 18.00
1Cr17

Mechanical properties of grade 1Cr17 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)
943 (≥) 466 (≥) 14 23 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical properties of grade 1Cr17 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
152 (≥) 821 (≥) 12 22 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 111
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
244 936 889

1Cr17 - 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
1Cr17Ni7 GB China
High strength after cold forming. Used in railway vehicle, conveyor belt, bolt and nut, etc
1Cr17Mn6Ni5N GB China
Nickel steel grade, instead of number 1 cr17ni7 and magnetism after cold working, used in railway vehicle, etc
1Cr17 GB China
Seamless stainless steel tubes for boiler and heat exchanger
Y1Cr17 GB China
Stainless steel bars
1Cr17Mo GB China
Cold rolled stainless steel sheets and plates
1Cr17Ni2 GB China
Stainless steel bars
11Cr17 GB China
Stainless steel bars
Y11Cr17 GB China
Stainless steel bars

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