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GB 1Cr20Ni14Si2 Details

1Cr20Ni14Si2 Application:Heat-resisting steel sheets and plates

Category Type Grade Microstructure Designations
Grades Stainless Steels 1Cr20Ni14Si2 Austenite China - GB , GB 4238 (1992) - Heat-resisting steel sheets and plates
GB/T 1221 (1992) - Heat-resisting steel bars

Chemical composition(wt.%) of 1Cr20Ni14Si2 grade: GB 4238 (1992)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.20
Si 1.50 2.50
Mn - 1.50
P - 0.035
S - 0.030
Ni 12.00 15.00
Cr 19.00 22.00
1Cr20Ni14Si2

Mechanical properties of grade 1Cr20Ni14Si2 GB 4238 (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)
239 (≥) 163 (≥) 42 21 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical properties of grade 1Cr20Ni14Si2 GB 4238 (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
675 (≥) 475 (≥) 33 43 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 131
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
229 147 816

1Cr20Ni14Si2 - 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
1Cr20Ni14Si2 GB China
Heat-resisting steel sheets and plates

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