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CNS 303Application:China Taiwan Stainless steel
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy CNS 303CNSChina

Chemical composition%of the ladle analysis of gradeCNS 303

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Ni(%)Mo(%)
Max 0.15Max 1.00Max 2.000.200.1517.0-19.08.00-10.000.60
CNS 303
Mechanical properties of gradeCNS 303
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)
896(≥)914(≥)143423Solution and Aging,Annealing,Ausaging,Q+T,etc431
Physical properties of gradeCNS 303
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
648(≥)583(≥)211142Solution and Aging,Annealing,Ausaging,Q+T,etc443
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
925868869
CNS 303Range 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
HNV5CNSChina
Steel for intake valves
S63005CNSChina
Steel for intake valves
Z1CNS17-15CNSChina
Iron and steel. Austenitic and austenic-ferritic stainless steels plates for boilers and pressure vessels
Z11CNS17-07AzCNSChina
Stainless steels for general purposes. Plates, wide strips and strips
Z15CNS25-20CNSChina
Iron and steel. Austenitic and austenic-ferritic stainless steels plates for boilers and pressure vessels
Z17CNS20-12CNSChina
Iron and steel. Austenitic and austenic-ferritic stainless steels plates for boilers and pressure vessels
Z80CNS20-02CNSChina
Valve steels and alloys for internal combustion engines
GH3030CNSChina
Classification and designation for superalloys and high temperature intermetallic materials
GH3039CNSChina
Classification and designation for superalloys and high temperature intermetallic materials
303CNSChina
Stainless Steel Billets and Bars for Forging
A 314 303CNSChina
Stainless Steel Billets and Bars for Forging
A 473 303CNSChina
Stainless Steel Forgings
A 581 Type 303CNSChina
Free-Machining Stainless Steel Wire and Wire Rods
A 582 Type 303CNSChina
Standard Specification for Free-Machining Stainless Steel Bars
A 895 Type 303CNSChina
Free-Machining Stainless Steel Plate, Sheet, and Strip
A 959 Type 303CNSChina
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
A 314 S30300CNSChina
Stainless Steel Billets and Bars for Forging
A 473 S30300CNSChina
Stainless Steel Forgings
A 581 S30300CNSChina
Free-Machining Stainless Steel Wire and Wire Rods
A 582 S30300CNSChina
Standard Specification for Free-Machining Stainless Steel Bars

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