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CNS 440CApplication:CNS standard martensite stainless steel
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy CNS 440CCNSChina

Chemical composition%of the ladle analysis of gradeCNS 440C

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Ni(%)Mo(%)
0.95-1.20Max 1.00Max 1.00Max 0.040Max 0.03016.00-18.00Max 0.60Max 0.75
CNS standard martensite stainless steel
Mechanical properties of gradeCNS 440C
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 ConditionBrinell hardness(HBW)
687(≥)687(≥)211133Solution and Aging,Annealing,Ausaging,Q+T,etc322
Physical properties of gradeCNS 440C
PropertyDensity
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
283(≥)317(≥)332433Solution and Aging,Annealing,Ausaging,Q+T,etc242
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
732537134
CNS 440CRange of products
Product typeProductsDimensionProcessesDeliver Status
Plates/SheetsPlates/Sheets0.08-200mm(T)*W*LForging,hot rolling and cold rollingAnnealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Steel BarRound Bar,Flat Bar,Square BarΦ8-1200mm*LForging,hot rolling and cold rolling,CastBlack,Rough Turning,Shot Blasting,
Coil/StripSteel Coil/Steel Strip0.03-16.0x1200mmCold-Rolled&Hot-RolledAnnealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Pipes/TubesSeamless Pipes/Tubes,Welded Pipes/TubesOD:6-219mm x WT:0.5-20.0mmHot extrusion,Cold Drawn,WeldedAnnealed,Solution and Aging,Q+T,ACID-WASHED
Cross Reference Table(Equivalent Grade)
GradeStandardCountryApplication
A 276 S44004CNSChina
Stainless Steel Bars and Shapes
A 314 S44004CNSChina
Stainless Steel Billets and Bars for Forging
A 473 S44004CNSChina
Stainless Steel Forgings
A 493 S44004CNSChina
Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging
A 580 S44004CNSChina
Stainless Steel Wire
S44004CNSChina
Hardenable Chromium Stainless Steel
SUS 440CCNSChina
Stainless steel bars
SUS 440CCNSChina
Stainless steel wire rods
SUS 440CCNSChina
Stainless steel wires
SUS 440CCNSChina
Cold finished stainless steel bars
STS440CCNSChina
Stainless steel bars
440CCNSChina
Stainless steel wire rods
AISI440CCNSChina
AISI440C
ASTM440CCNSChina
ASTM440C

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