Grades | Stainless Steels | SUH4

CNS SUH4 ( Martensite )

PDF | Word | Print

SUH4 Application:CNS standard heat resistant steel bar steel grade and chemical composition

Chemical composition(mass fraction)(wt.%) of the SUH4
Elements Min.(≥) Max.(≤) Similar Remarks
C 0.75 0.85
Si 1.75 2.25
Mn 0.20 0.60
P - 0.030
S - 0.030
Cr 19.00 20.50
Ni 1.15 1.65
Mo - -
N - -

Mechanical properties of grade SUH4

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition HBW
222 (≥) 982 (≥) 32 14 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical properties of grade SUH4

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
441 (≥) 751 (≥) 13 33 22 Solution and Aging, Annealing, Ausaging, Q+T,etc
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
- - -
755 381 656 - - -

SUH4 Range of products
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