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AFNOR 20 MC 5

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B.S. Type 8 AFNOR 20 NCD 2
#AFNOR # #20

Description

AFNOR AFNOR 20 MC 5 Alloy Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Alloy Steel: AFNOR 20 MC 5
Category Type Steel Grade Standard Country Application
Steel GradesAlloy Steel AFNOR 20 MC 5 AFNOR
B.S. 805 A 20
B.S. 805 H 20
B.S. 805 M 20
B.S. 817 M 40
B.S. CDS 110
B.S. En. 47
B.S. S. 139
B.S. Type 3
B.S. Type 7
B.S. Type 8

Chemical composition(mass fraction)(wt.%) of the AFNOR 20 MC 5

Element Weight %
C 0.17-0.22
Mn 0.70-0.90
P 0.035 (max)
S 0.04 (max)
Si 0.15-0.30
Cr 0.70-0.90

Mechanical Properties of steel grade AFNOR 20 MC 5

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)
882 (≥) 927 (≥) 23 33 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical Properties of steel grade AFNOR 20 MC 5

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
41 - -     0.11 -  
671 813 - 24.3 411   -  
292 - 33 44.2   343 444

Heat Treatment of steel grade AFNOR 20 MC 5

Heat treated : 1239°C - 1551°C

Technological Curves of steel grade AFNOR 20 MC 5

Cross Reference Table (Equivalent Grade) of AFNOR 20 MC 5

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
B.S. Type 8 AFNOR 20 NCD 2
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Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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