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7878

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America AMS 7878 Tungsten Carbide Powder Cobalt Coated and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 7878 / 7878
Category Grade Standard Region/Area Standard Content
Metals 7878 SAE AMS 7878C America Tungsten Carbide Powder Cobalt Coated

Chemical composition(mass fraction)(wt.%) of the 7878

Element Min Max Similar
W - - -
Others total - 0.1500 -
Others each - 0.0100 -
Fe - 0.0500 -
Co 10.5000 13.5000 -
C 6.1200 6.1800 -

Mechanical Properties of steel grade 7878

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)
122 (≥) 897 (≥) 14 32 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical Properties of steel grade 7878

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 - -     0.24 -  
749 717 - 21.3 143   -  
583 - 41 12.2   242 141

Heat Treatment of steel grade 7878

Heat treated : 1888°C - 1383°C

Technological Curves of steel grade 7878

Cross Reference Table (Equivalent Grade) of 7878

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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