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Description

Ta Z8 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: Ta Z8

Chemical composition(mass fraction)(wt.%) of the Ta Z8

C
Si
Mn
P
S
Cr Ni
0.12         6 68
Mo Al Cu Nb Ta V Zr
4 6     8 2.5 1
N Co Pb W Other    
      4      
             

Mechanical Properties of steel grade Ta Z8

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)
389 (≥) 311 (≥) 42 43 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade Ta Z8

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
44 - -     0.11 -  
326 144 - 14.3 412   -  
637 - 22 24.2   334 311

Heat Treatment of steel grade Ta Z8

Heat treated : 1735°C - 1963°C

Technological Curves of steel grade Ta Z8

Cross Reference Table (Equivalent Grade) of Ta Z8

Grade Standard Country Application
Vitallium AISI USA Martensitic special steel
NC15Fe7TA AFNOR France Steel Exhaust Valves
NC20TA AFNOR France Steel Exhaust Valves
OTA10NbMoNiCrl70 Cast Steel
OTA10TiMoNiCil70 Cast Steel
5-490NTA Australia Structural steel
7-430RNTA Australia Structural steel
7-460RNTA Australia Structural steel
7-490RNTA Australia Structural steel
TAC-2 China Superalloys and high temperature intermetallic materials
TAC-2M China Superalloys and high temperature intermetallic materials
TAC-3B China Superalloys and high temperature intermetallic materials
TAC-3C China Superalloys and high temperature intermetallic materials
TAC-3D China Superalloys and high temperature intermetallic materials
TAC-1 China Superalloys and high temperature intermetallic materials
TAC-1B China Superalloys and high temperature intermetallic materials
Z85WDKCV06-05-05-04-02 AFNOR France Carbide for cutting tools
Z85WDKCV06-05-05-04-02 AFNOR France Carbide for cutting tools
Z8C12 AFNOR France Stainless steel palte & Steel Strip
Z8C17 AFNOR France Stainless steel palte & Steel Strip

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