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CNS SUH3 Details

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SUH3 Application:CNS standard heat resistant steel bar steel grade and chemical composition

Category Type Grade Microstructure Designations
Grades Stainless Steels SUH3 Martensite China - CNS ,

Chemical composition(wt.%) of SUH3 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.35 0.45
Si 1.80 2.50
Mn - 0.60
P - 0.030
S - 0.030
Cr 10.00 12.00
Ni - 0.60
Mo 0.70 1.30
N - -
CNS standard heat resistant steel bar steel grade and chemical composition

Mechanical properties of grade SUH3

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)
419 (≥) 335 (≥) 41 21 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

Physical properties of grade SUH3

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 (≥) 392 (≥) 31 33 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 212
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
147 417 147

SUH3 - 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
SUH31 CNS China
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SUH35 CNS China
CNS standard heat resistant steel bar steel grade and chemical composition
SUH36 CNS China
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SUH37 CNS China
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SUH38 CNS China
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SUH309 CNS China
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SUH310 CNS China
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SUH330 CNS China
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SUH3 CNS China
CNS standard heat resistant steel bar steel grade and chemical composition
SUH309 CNS China
CNS standard heat resistant steel plate of the steel grade and chemical composition
SUH310 CNS China
CNS standard heat resistant steel plate of the steel grade and chemical composition
SUH330 CNS China
CNS standard heat resistant steel plate of the steel grade and chemical composition

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