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1Cr12Application:Martensitic Steel
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy 1Cr12GBTChina

Chemical composition%of the ladle analysis of grade1Cr12

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Ni(%)
Max 0.15Max 0.50Max 1.000.035Max 0.0311.50-13.00Max 0.60
1Cr12
Mechanical properties of grade1Cr12
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)
867(≥)585(≥)131214Solution and Aging,Annealing,Ausaging,Q+T,etc434
Physical properties of grade1Cr12
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
731(≥)753(≥)321144Solution and Aging,Annealing,Ausaging,Q+T,etc212
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
164576893
1Cr12Range 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
1Cr12GBTChina
Heat-resisting steel sheets and plates
1Cr12MoGBTChina
Heat-resisting steel bars
1Cr12WMoVGBTChina
Heat-resisting steel bars
12Cr12Mo / 1Cr12MoGBTChina
Steel of Blade for Steam turbine
1Cr12Ni3Mo2VNGBTChina
Specification for stainless steel cold rolled sheet for aviation

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