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AFNOR 40 CD 4

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AFNOR 38 C 4 AFNOR 40 M 5
#AFNOR # #40

Description

AFNOR AFNOR 40 CD 4 Alloy Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Alloy Steel: AFNOR 40 CD 4
Category Type Steel Grade Standard Country Application
Steel GradesAlloy Steel AFNOR 40 CD 4 AFNOR
B.S. Type 3
B.S. Type 7
B.S. Type 8
AFNOR 20 MC 5
AFNOR 20 NCD 2
AFNOR 25 CD 4 S
AFNOR 32 C 4
AFNOR 35 CD 4
AFNOR 35 CD 4 TS
AFNOR 38 C 4

Chemical composition(mass fraction)(wt.%) of the AFNOR 40 CD 4

Element Weight %
C 0.35-0.40
Mn 0.70-0.90
P 0.035 (max)
S 0.04 (max)
Si 0.15-0.30
Cr 0.80-1.10
Mo 0.15-0.25

Mechanical Properties of steel grade AFNOR 40 CD 4

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
754 (≥) 747 (≥) 34 23 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade AFNOR 40 CD 4

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
23 - -     0.42 -  
319 798 - 12.3 124   -  
662 - 13 11.2   213 123

Heat Treatment of steel grade AFNOR 40 CD 4

Heat treated : 1279°C - 1728°C

Technological Curves of steel grade AFNOR 40 CD 4

Cross Reference Table (Equivalent Grade) of AFNOR 40 CD 4

Grade Standard Country Application
X20Cr13(AFNOR) AFNOR France Martensite And Precipitation Hardening
1.4439(AFNOR) AFNOR France Austenite
1.4539(AFNOR) AFNOR France Austenite
X6CrNiNb18-10(AFNOR) AFNOR France Austenite
1.4580(AFNOR) AFNOR France Austenite
1.4436(AFNOR) AFNOR France Austenite
1.4438(AFNOR) AFNOR France Austenite
1.4361(AFNOR) AFNOR France Austenite
1.4563(AFNOR) AFNOR France Austenite
1.4537(AFNOR) AFNOR France Austenite
1.4547(AFNOR) AFNOR France Austenite
X1NiCrMoCuN25-20-7(AFNOR) AFNOR France Austenite
X2CrNiN23-4(AFNOR) AFNOR France Austenitic-Ferrite
1.4362(AFNOR) AFNOR France Austenitic-Ferrite
1.4462(AFNOR) AFNOR France Austenitic-Ferrite
1.4507(AFNOR) AFNOR France Austenitic-Ferrite
1.4501(AFNOR) AFNOR France Austenitic-Ferrite
Q195 China Engineering and welding
Q215 China Engineering and welding
Q215 B China Engineering and welding
AFNOR 38 C 4 AFNOR 40 M 5
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Jiangyou Longhai Special Steel Co.,Ltd.

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