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ASTM T8

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UNS T12006 UNS T12007
#ASTM # # #T8

Description

ASTM T8 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: ASTM T8
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel ASTM T8
AISI/SAE 6F5
AISI/SAE 6F6
ASTM T1
UNS T12001
ASTM T2
UNS T12002
ASTM T5
UNS T12005
ASTM T6
UNS T12006

Chemical composition(mass fraction)(wt.%) of the ASTM T8

 

 

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
0.75-0.85 0.2-0.4 0.2-0.4 0.03 0.03 3.75-4.5  
Mo Al W Nb Ti V Ce
0.4-1.0   13.25-14.75     1.8-2.4  
N Co Pb B Other    
  4.25-5.75          
             

Mechanical Properties of steel grade ASTM T8

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)
573 (≥) 461 (≥) 11 13 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade ASTM T8

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
33 - -     0.34 -  
435 224 - 32.3 341   -  
189 - 32 41.2   142 242

Heat Treatment of steel grade ASTM T8

Heat treated : 1283°C - 1757°C

Technological Curves of steel grade ASTM T8

Cross Reference Table (Equivalent Grade) of ASTM T8

Grade Standard Country Application
ASTM 1030 ASTM USA General use carbon steel bar
ASTM 1005 ASTM USA General use carbon steel bar
ASTM 1006 ASTM USA General use carbon steel bar
ASTM 1008 ASTM USA General use carbon steel bar
ASTM 1010 ASTM USA General use carbon steel bar
ASTM 1013 ASTM USA General use carbon steel bar
ASTM 1015 ASTM USA General use carbon steel bar
ASTM 1016 ASTM USA General use carbon steel bar
ASTM 1017 ASTM USA General use carbon steel bar
ASTM 1018 ASTM USA General use carbon steel bar
ASTM 1019 ASTM USA General use carbon steel bar
ASTM 1020 ASTM USA General use carbon steel bar
ASTM 1021 ASTM USA General use carbon steel bar
ASTM W1-A ASTM USA Carbon tool steel
ASTM A182 F55 ASTM USA Super Duplex
ASTM 431 ASTM USA Martensitic special steel
ASTM 440A ASTM USA Martensitic special steel
ASTM 440B ASTM USA Martensitic special steel
ASTM 440C ASTM USA Martensitic special steel
ASTM 501 ASTM USA Martensitic special steel
UNS T12006 UNS T12007
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