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T12Application:Carbon tool steel
CategoryTypeSteel gradeCountry
Grades Special Alloy T12China

Chemical composition%of the ladle analysis of gradeT12

C(%)Si(%)Mn(%)P(%)S(%)
1.15~1.24≤0.35≤0.40≤0.035≤0.030

The performance characteristics of carbon steel and use

Mechanical properties of gradeT12
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)
659(≥)529(≥)442322Solution and Aging,Annealing,Ausaging,Q+T,etc232
Physical properties of gradeT12
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
568(≥)821(≥)443111Solution and Aging,Annealing,Ausaging,Q+T,etc113
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
569998617
T12Range 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
Z3CT12China
Iron and steel. Stainless steel for high temperature application
Z8CNT12China
Stainless steels for general purposes. Plates, wide strips and strips
T12001China
High-Speed Tool Steel
T12002China
High-Speed Tool Steel
T12004China
High-Speed Tool Steel
T12005China
High-Speed Tool Steel
T12006China
High-Speed Tool Steel
T12008China
High-Speed Tool Steel
T12015China
High-Speed Tool Steel

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