Location » Home » Grades > Special Alloy > CNS 440F
CNS 440F Application:CNS standard martensite stainless steel
Category Type Steel grade Standard Country
Grades Special Alloy CNS 440F CNS China

Chemical composition % of the ladle analysis of grade CNS 440F

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%)
0.95-1.20 Max 1.00 Max 1.25 Max 0.060 Max 0.15 16.00-18.00 Max 0.60 Max 0.75
CNS standard martensite stainless steel
Mechanical properties of grade CNS 440F
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)
597 (≥) 389 (≥) 24 44 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 212
Physical properties of grade CNS 440F
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
524 (≥) 433 (≥) 22 32 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 113
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
634 823 854
CNS 440F 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
A 582 S44020 CNS China
Standard Specification for Free-Machining Stainless Steel Bars
S44020 CNS China
Martensitic Chromium Free Machining Stainless Steel
A 582 S44023 CNS China
Standard Specification for Free-Machining Stainless Steel Bars
S44023 CNS China
Martensitic Chromium Selenium Bearing Free Machining Stainless Steel
A 582 S44020 CNS China
Standard Specification for Free-Machining Stainless Steel Bars
S44020 CNS China
Martensitic Chromium Free Machining Stainless Steel
A 582 S44023 CNS China
Standard Specification for Free-Machining Stainless Steel Bars
S44023 CNS China
Martensitic Chromium Selenium Bearing Free Machining Stainless Steel
SUS 440F CNS China
Stainless steel bars
STS440F CNS China
Stainless steel bars
440F CNS China
Stainless steel bars
AISI440F CNS China
AISI440F
AISI440F Se CNS China
AISI440F Se

Enquiry