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CNS 303SeApplication:CNS standard stainless steel austenite size
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy CNS 303SeCNSChina

Chemical composition%of the ladle analysis of gradeCNS 303Se

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Ni(%)Other(%)
Max 0.15Max 1.00Max 2.00Max 0.20Max 0.06017.00-19.008.00-10.00Se: Min 0.15
CNS standard stainless steel austenite size
Mechanical properties of gradeCNS 303Se
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)
514(≥)243(≥)324421Solution and Aging,Annealing,Ausaging,Q+T,etc224
Physical properties of gradeCNS 303Se
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
141(≥)628(≥)212221Solution and Aging,Annealing,Ausaging,Q+T,etc423
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
493332644
CNS 303SeRange 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
303SeCNSChina
Stainless and heat resisting steels
A 314 303SeCNSChina
Stainless and heat resisting steels
A 473 303 SeCNSChina
Austenitic stainless steel forgings for general use
A 511 MT303SeCNSChina
Austenitic stainless steel forgings for general use
A 581 Type 303SeCNSChina
Free machining stainless and heat resisting steel wire
A 582 Type 303SeCNSChina
Free-machining stainless steel bars
A 895 Type 303SeCNSChina
Free-machining stainless steel bars
A 959 Type 303SeCNSChina
Specifying harmonized standard grade compositions for wrought stainless steels
F 593 303 SeCNSChina
Standard Specification for Stainless Steel Bolts, Hex Cap Screws, and Studs
F 594 303SeCNSChina
Standard Specification for Stainless Steel Nuts
F 880 Class A1-50 303SeCNSChina
Standard Specification for Stainless Steel Socket Set Screws (Metric)
F 880 Class A1-70 303SeCNSChina
Standard Specification for Stainless Steel Socket Set Screws (Metric)
SUS 303SeCNSChina
Standard Specification for Stainless Steel Socket Set Screws (Metric)
SUS303SeCNSChina
Standard Specification for Stainless Steel Socket Set Screws (Metric)
A 314 S30323CNSChina
Stainless Steel Billets and Bars for Forging
A 473 S30323CNSChina
Stainless Steel Forgings
A 581 S30323CNSChina
Free-Machining Stainless Steel Wire and Wire Rods
A 582 S30323CNSChina
Standard Specification for Free-Machining Stainless Steel Bars
A 895 S30323CNSChina
Free-Machining Stainless Steel Plate, Sheet, and Strip
F738 Class A1-50 S30323CNSChina
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs

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