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CO-1Application:Casting tool steels and powder metallurgy tool steel
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy CO-1ASTMUSA

Chemical composition%of the ladle analysis of gradeCO-1

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)V(%)W(%)
0.85-1.00Max 1.501.00-1.30Max 0.030Max 0.0300.40-1.00Max 0.300.40-0.60
Standard:ASTM A597-1999
CO-1
Mechanical properties of gradeCO-1
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)
325(≥)134(≥)444422Solution and Aging,Annealing,Ausaging,Q+T,etc311
Physical properties of gradeCO-1
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
653(≥)664(≥)341123Solution and Aging,Annealing,Ausaging,Q+T,etc344
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
913935849
CO-1Range 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
Nivco-10ASTMUSA
Special Purpose Alloys ("Superalloys")
Fe-Ni29Co-17ASTMUSA
Nickel and nickel alloys. Iron-nickel alloys with particular dilatability

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