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CNS 403Application:CNS standard martensite stainless steel
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy CNS 403CNSChina

Chemical composition%of the ladle analysis of gradeCNS 403

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Ni(%)
Max 0.15Max 0.50Max 1.00Max 0.040Max 0.03011.50-13.00Max 0.60
CNS standard martensite stainless steel
Mechanical properties of gradeCNS 403
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)
657(≥)336(≥)434112Solution and Aging,Annealing,Ausaging,Q+T,etc231
Physical properties of gradeCNS 403
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
875(≥)322(≥)332321Solution and Aging,Annealing,Ausaging,Q+T,etc433
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
433355971
CNS 403Range 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
GH4033CNSChina
Classification and designation for superalloys and high temperature intermetallic materials
GH4037CNSChina
Classification and designation for superalloys and high temperature intermetallic materials
A 240 S30403CNSChina
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 249 S30403CNSChina
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
A 269 S30403CNSChina
Seamless and Welded Austenitic Stainless Steel Tubing for General Service
A 270 S30403CNSChina
Seamless and Welded Austenitic Stainless Steel Sanitary Tubing
A 276 S30403CNSChina
Stainless Steel Bars and Shapes
A 314 S30403CNSChina
Stainless Steel Billets and Bars for Forging
A 358 S30403CNSChina
Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications
A 409 S30403CNSChina
Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service
A 473 S30403CNSChina
Stainless Steel Forgings
A 478 S30403CNSChina
Chromium-Nickel Stainless Steel Weaving and Knitting Wire
A 493 S30403CNSChina
Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging
A 580 S30403CNSChina
Stainless Steel Wire
A 632 S30403CNSChina
Seamless and Welded Austenitic Stainless Steel Tubing (Small-Diameter) for General Service
A 666 S30403CNSChina
Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar
A 688 S30403CNSChina
Welded Austenitic Stainless Steel Feedwater Heater Tubes
A 778 S30403CNSChina
Welded, Unannealed Austenitic Stainless Steel Tubular Products
A 813 S30403CNSChina
Single- or Double-Welded Austenitic Stainless Steel Pipe
A 814 S30403CNSChina
Cold-Worked Welded Austenitic Stainless Steel Pipe

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