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CNS SUH616 Details

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SUH616 Application:CNS standard heat resistant steel bar steel grade and chemical composition

Category Type Grade Microstructure Designations
Grades Stainless Steels - Special Steels SUH616 Martensite China - CNS ,

Chemical composition(wt.%) of SUH616 grade:

Elements Min.(≥) Max.(≤)
C 0.20 0.25
Si - 0.50
Mn 0.50 1.00
P - 0.040
S - 0.030
Cr 11.00 13.00
Ni 0.50 1.00
Mo 0.75 1.25
N - -
W 0.75 1.25
V 0.20 0.30
CNS standard heat resistant steel bar steel grade and chemical composition

Mechanical properties of grade SUH616

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)
398 (≥) 696 (≥) 12 42 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical properties of grade SUH616

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
287 (≥) 419 (≥) 11 43 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 411
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
475 873 652

SUH616 - 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
SUH616 CNS China
CNS standard heat resistant steel bar steel grade and chemical composition
SNCM 616 JIS Japan
Low-alloyed steels for machine structural use manufactured by hot rolling, hot forging and hot extruding

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