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у12-3Application:Carbide for cutting tools
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy у12-3ГОСТRussia

Chemical composition%of the ladle analysis of gradeу12-3

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Ni(%)Cu(%)
1.15-1.240.17-0.330.17-0.33≤0.030≤0.0280.20-0.40≤0.250.25
Mechanical properties of gradeу12-3
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)
917(≥)161(≥)424243Solution and Aging,Annealing,Ausaging,Q+T,etc411
Physical properties of gradeу12-3
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
432(≥)382(≥)222244Solution and Aging,Annealing,Ausaging,Q+T,etc232
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
626651817
у12-3Range 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
X2CrNiMo17-12-3ГОСТRussia
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
1.4432ГОСТRussia
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
X12CrNiMoV12-3ГОСТRussia
Creep resisting steels, nickel and cobalt alloys
1.4938ГОСТRussia
Creep resisting steels, nickel and cobalt alloys
X2CrNiMo17-12-3ГОСТRussia
Stainless steels - Chemical composition
X5CrNiMo17-12-3ГОСТRussia
Stainless steels - Chemical composition
Z12CNDV12 Air 9160/CГОСТRussia
wrought steels used in aeronautical constructions
X3CrNiMo17-13-3, 1.4436, X2CrNiMo18-14-3, 1.4435, 1.4432, X2CrNiMo17-12-3ГОСТRussia
The products in these steel grades are commonly used in the manufacture of pumps, tanks for chemicals, pipelines and installations, heat exchangers, screws, nuts, special coolers, food, chemical, textile, paper and cryogenic equipment, oil and marine indu
X12CrNiMoV12-3, 1.4938ГОСТRussia
X12CrNiMoV12-3, 1.4938

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