Tungsten Carbide

Machining Cast Irons and
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Oil/Gas Exploration and Mining
Grades


Tungsten Heavy Alloy

Tungsten Heavy Alloy Grades

MSDS Information
Material Safety Data Sheet
for Tungsten Carbide
Material Safety Data Sheet
for Tungsten Heavy Alloy
 
 




Category: Grades / Mining and Construction

Grade

Average
WC Grain
Size (µm)

Industry
Class.
Binder
Content
(wt. %)
Hardness
(HRA)
Density
(g/cm3)
TRS
(1000
psi)
Typical
App.
P40 1 – 3 C9 6.0 Co 91.2 14.90 420

• Grades with high abrasion resistance and moderate toughness
• DTH bit inserts
• AF63 used in long dome extensions for conical and ballistic shapes
• Wear applications

H6 1 – 3 C9 6.0 Co 91.0 14.90 440
295 2 – 3 C9 6.0 Co 90.7 14.90 475
671 2 – 4 C10 6.0 Co 90.6 14.90 460
290 2 – 4 C10 6.0 Co 90.3 14.90 480
AF63 3 – 5 C10 6.0 Co 89.5 14.90 450
307 1 – 3 C9 7.0 Co 91.3 14.80 490 Mining applications requiring more toughness than the 6% Co grades
HB72 2 – 4 C9 7.0 Co 90.2 14.80 475
H8 1 – 3 C9 8.0 Co 90.5 14.65 480 Various mining and construction applications
GWC11 1 – 3 C9 8.0 Co 90.3 14.65 475
91 2 – 4 C10 8.5 Co 89.3 14.60 475
779 2 – 4 C10 9.0 Co 89.5 14.55 460
M81 3 – 5 C12 10.0 Co 87.9 14.50 350 Buttons for rotary tricon bits, inserts for percussive bits, geophysical tips for drag bits, etc.
MPD10 2 – 4 C10 10.0 Co 89.1 14.50 375
MPD11 3 – 5 C11 11.0 Co 88.3 14.40 375
MPD2C 3 – 5 C11 11.5 Co 88.2 14.30 375
MPD2 3 – 5 C11 12.0 Co 87.8 14.25 400



 
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