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AISI/SAE M8

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UNS T12008 UNS T13108
#AISI/SAE # # #M8

Description

AISI/SAE M8 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: AISI/SAE M8
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel AISI/SAE M8
ASTM M52
UNS T11352
AISI/SAE T3
UNS T12003
AISI/SAE T4
UNS T12004
AISI/SAE T7
UNS T12007
AISI/SAE T9
UNS T12008

Chemical composition(mass fraction)(wt.%) of the AISI/SAE M8

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
0.8-0.85 0.2-0.4  0.1-0.4      4.0-4.5  
Mo Al W Nb Ti V Ce
 4.3-4.7   5.25-5.75 1.25    1.35-1.65  
N Co Pb B Other    
             
             

Mechanical Properties of steel grade AISI/SAE M8

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)
426 (≥) 781 (≥) 41 13 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade AISI/SAE M8

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
24 - -     0.44 -  
592 114 - 41.3 241   -  
181 - 14 42.2   412 434

Heat Treatment of steel grade AISI/SAE M8

Heat treated : 1864°C - 1956°C

Technological Curves of steel grade AISI/SAE M8

Cross Reference Table (Equivalent Grade) of AISI/SAE M8

Grade Standard Country Application
Q195 China Engineering and welding
Q215 China Engineering and welding
Q215 B China Engineering and welding
Q235 China Engineering and welding
Q235 B China Engineering and welding
Q235 C China Engineering and welding
Q235 D China Engineering and welding
Q255 A China Engineering and welding
Q255 B China Engineering and welding
Q275 China Engineering and welding
Q235q C China Bridge structure with steel
Q235q D China Bridge structure with steel
Q345q E China Bridge structure with steel
Q345q C China Bridge structure with steel
ASTM 1030 ASTM USA General use carbon steel bar
UNS G10300 UNS USA General use carbon steel bar
ASTM 1005 ASTM USA General use carbon steel bar
UNS G10050 UNS USA General use carbon steel bar
ASTM 1006 ASTM USA General use carbon steel bar
UNS G10060 UNS USA General use carbon steel bar
UNS T12008 UNS T13108
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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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