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Chemical composition % of the ladle analysis of grade 40Cr

0.37-0.44 0.17-0.37 0.50-0.80 0.80-1.10
40Cr
Mechanical properties of grade 40Cr
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 Condition Brinell hardness (HBW)
278 (≥) 561 (≥) 43 21 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 223
Physical properties of grade 40Cr
Property Density
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
175 (≥) 539 (≥) 12 12 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 314
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
173 388 712
40Cr Range of products
Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
40CrMoV4-6
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
1.7711
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
X40CrSiMo10-2
Valve steels and alloys for internal combustion engines
1.4731
Valve steels and alloys for internal combustion engines
X45Cr13
Corrosion-resistant high-temperature steel
1.3541
Corrosion-resistant high-temperature steel
40CrMo5-6
Wrought steels for use at elevated temperatures in engines
40CrMoV4-6
Wrought steels for use at elevated temperatures in engines
140Cr3
Low alloyed Cr steel
140Cr2
Low alloyed Cr steel
140CrV1
Alloyed CrV steel
40CrMnMo7
Heat resistant materials for the extrusion processing of aluminum and aluminum alloys
40CrMnMoS8-6
Tool Steels; Technical Conditions of Delivery
40CrMnNiMo8-6-4
Alloyed CrMnNiMo steel
1.2311,40CrMnMoS8-6,1.2312,P20,40CMD8
Tool Steels; Technical Conditions of Delivery

Relevant products

40Cr Equivalent Grade Stock

Steel grade Dimension Shape Unit Quantity Delivery state Query
1.2344(H13/X40CrMoV5-1/Z40CDV5) Stock List Dia.182mm - Dia.510mm Round Bar Tons 120 Forged+Annealed+black Enquiry

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