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CNS 444 Application:China Taiwan Stainless steel
Category Type Steel grade Standard Country
Grades Special Alloy CNS 444 CNS China

Chemical composition % of the ladle analysis of grade CNS 444

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) N(%) Other(%)
Max 0.025 Max 1.00 Max 1.00 0.04 0.03 17.0-20.0 Max 0.60 1.75-2.50 Max 0.025 Ti,Nb,Zr or Compound 8x(C+N)%-0.80
CNS 444
Mechanical properties of grade CNS 444
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)
633 (≥) 398 (≥) 14 31 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 211
Physical properties of grade CNS 444
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
547 (≥) 986 (≥) 11 23 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 112
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
992 551 822
CNS 444 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
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
HNV5 CNS China
Steel for intake valves
S63005 CNS China
Steel for intake valves
Z1CNS17-15 CNS China
Iron and steel. Austenitic and austenic-ferritic stainless steels plates for boilers and pressure vessels
Z11CNS17-07Az CNS China
Stainless steels for general purposes. Plates, wide strips and strips
Z15CNS25-20 CNS China
Iron and steel. Austenitic and austenic-ferritic stainless steels plates for boilers and pressure vessels
Z17CNS20-12 CNS China
Iron and steel. Austenitic and austenic-ferritic stainless steels plates for boilers and pressure vessels
Z80CNS20-02 CNS China
Valve steels and alloys for internal combustion engines
A 176 S44400 CNS China
Stainless and Heat-Resisting Chromium Steel Plate, Sheet, and Strip
A 240 S44400 CNS China
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 268 S44400 CNS China
Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
A 276 S44400 CNS China
Stainless Steel Bars and Shapes
A 554 S44400 CNS China
Welded Stainless Steel Mechanical Tubing
A 580 S44400 CNS China
Stainless Steel Wire
S44400 CNS China
Ferritic Chromium Molybdenum Stainless Steel (18Cr-2Mo)
SA-240 S44400 CNS China
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
SA-268 S44400 CNS China
Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
SA-276 S44400 CNS China
Specification for Stainless Steel Bars and Shapes
SA-479 S44400 CNS China
Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
A 479 S44401 CNS China
Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
A 493 S44401 CNS China
Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging

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