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40CrApplication:China structural steel and alloy steel
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy 40CrGBTChina

Chemical composition%of the ladle analysis of grade40Cr

C(%)Si(%)Mn(%)Cr(%)
0.37-0.440.17-0.370.50-0.800.80-1.10
40Cr
Mechanical properties of grade40Cr
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)
869(≥)723(≥)123344Solution and Aging,Annealing,Ausaging,Q+T,etc314
Physical properties of grade40Cr
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
558(≥)853(≥)331433Solution and Aging,Annealing,Ausaging,Q+T,etc233
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
853845775
40CrRange 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
40CrMoV4-6GBTChina
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
1.7711GBTChina
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
X40CrSiMo10-2GBTChina
Valve steels and alloys for internal combustion engines
1.4731GBTChina
Valve steels and alloys for internal combustion engines
X45Cr13GBTChina
Corrosion-resistant high-temperature steel
1.3541GBTChina
Corrosion-resistant high-temperature steel
40CrMo5-6GBTChina
Wrought steels for use at elevated temperatures in engines
40CrMoV4-6GBTChina
Wrought steels for use at elevated temperatures in engines
140Cr3GBTChina
Low alloyed Cr steel
140Cr2GBTChina
Low alloyed Cr steel
140CrV1GBTChina
Alloyed CrV steel
40CrMnMo7GBTChina
Heat resistant materials for the extrusion processing of aluminum and aluminum alloys
40CrMnMoS8-6GBTChina
Tool Steels; Technical Conditions of Delivery
40CrMnNiMo8-6-4GBTChina
Alloyed CrMnNiMo steel
1.2311,40CrMnMoS8-6,1.2312,P20,40CMD8GBTChina
Tool Steels; Technical Conditions of Delivery

Relevant products

40Cr Steel Stock

Steel gradeDimensionShapeUnitQuantityDelivery stateQuery
1.2344(H13/X40CrMoV5-1/Z40CDV5) Stock ListDia.182mm - Dia.510mmRound BarTons120Forged+Annealed+blackEnquiry

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