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20CrApplication:China structural steel and alloy steel
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy 20CrGBTChina

Chemical composition%of the ladle analysis of grade20Cr

C(％)Si(％)Mn(％)Cr(％)
0.18-0.240.17-0.370.50-0.800.70-1.00
20Cr
Mechanical properties of grade20Cr
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)
614(≥)715(≥)314143Solution and Aging,Annealing,Ausaging,Q+T,etc344
Physical properties of grade20Cr
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
936(≥)277(≥)241234Solution and Aging,Annealing,Ausaging,Q+T,etc441
Temp.
°C/°F		Creep strain limit
(10000h)
(Rp1,0)N/mm2		Creep rupture strength
(10000h)
(Rp1,0)N/mm2
419192468
20CrRange 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
X20Cr13GBTChina
Stainless steels - Technical delivery conditions for cold rolled strips and slit coils strip and sheets cut from such strips for pressure purposes
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Stainless steels - Technical delivery conditions for cold rolled strips and slit coils strip and sheets cut from such strips for pressure purposes
X20CrMo13GBTChina
Rolled, Wrought or Cast Stainless Steel Products for Medical Instruments
1.4120GBTChina
Rolled, Wrought or Cast Stainless Steel Products for Medical Instruments
X20Cr13GBTChina
Open die steel forgings for general engineering purposes - Part 4: Stainless steels
1.4021GBTChina
Open die steel forgings for general engineering purposes - Part 4: Stainless steels
X20Cr13GBTChina
Open die steel forgings for general engineering purposes - Part 4: Stainless steels
1.4021GBTChina
Open die steel forgings for general engineering purposes - Part 4: Stainless steels
20CrMnVTiB4-10GBTChina
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
X20Cr13GBTChina
Stainless steels - Chemical composition
X20CrMoNiNbV11-1GBTChina
Wrought steels for use at elevated temperatures in engines
X12CrNiMoV12-3GBTChina
Wrought steels for use at elevated temperatures in engines
X220CrVMo12-2GBTChina
High alloyed CrVMo steel

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