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CNS 431Application:CNS standard martensite stainless steel
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy CNS 431CNSChina

Chemical composition%of the ladle analysis of gradeCNS 431

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Ni(%)
Max 0.20Max 1.00Max 1.00Max 0.040Max 0.03015.00-17.001.25-2.50
CNS standard martensite stainless steel
Mechanical properties of gradeCNS 431
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)
277(≥)615(≥)342443Solution and Aging,Annealing,Ausaging,Q+T,etc241
Physical properties of gradeCNS 431
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
796(≥)181(≥)233231Solution and Aging,Annealing,Ausaging,Q+T,etc422
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
345819215
CNS 431Range 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 176 S43100CNSChina
Stainless and Heat-Resisting Chromium Steel Plate, Sheet, and Strip
A 276 S43100CNSChina
Stainless Steel Bars and Shapes
A 314 S43100CNSChina
Stainless Steel Billets and Bars for Forging
A 473 S43100CNSChina
Stainless Steel Forgings
A 493 S43100CNSChina
Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging
A 580 S43100CNSChina
Stainless Steel Wire
F738 Class C3-120 S43100CNSChina
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs
F738 Class C3-80 S43100CNSChina
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs
F836 Class C3-120 S43100CNSChina
Standard Specification for Style 1 Stainless Steel Metric Nuts (Metric)
F836 Class C3-80 S43100CNSChina
Standard Specification for Style 1 Stainless Steel Metric Nuts (Metric)
S43100CNSChina
Nickel Bearing Hardenable Chromium Stainless Steel
1.4310CNSChina
Stainless steels - Part 1: List of stainless steels
X2CrNiN18-10CNSChina
Cold heading and cold extruding steels; technical delivery conditions for stainless steels
1.4311CNSChina
Cold heading and cold extruding steels; technical delivery conditions for stainless steels
X2CrNiN18-7CNSChina
Cold heading and cold extruding steels; technical delivery conditions for stainless steels
SUS 431CNSChina
Stainless steel bars
SUS 431CNSChina
Stainless steel wire rods
SUS 431CNSChina
Heat-resisting steel bars and wire rods
SUS 431 FBCNSChina
Stainless steel blooms and billets for forgings
SUS 431FBCNSChina
Stainless steel blooms and billets for forgings

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