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Cemented Carbide Grade Powder
Appearance: Particle steelgrey with metal luster
Application: For making cemented carbide

Specifications:
Grade Main Chemical Composition (%) Powder Characteristics Paraffin (%)
Co Ti TaC WC Flowability (/50g) Bulk Density (g/cm3)
GZP20 7.6~8.2 10.8~11.6 - U
n
k
n
o
w
n
30~45 2.5~3.5 2
GZP25 8.0~9.0 6.2~6.7 5.7~6.2 30~45 2.5~3.5 2
GZP35 9.9~10.6 4.7~5.7 13.4~14.3 30~45 2.5~3.5 2
GZK10UF 5.6~6.1 - - 30~40 3.0~3.5 1.6
GZK20 5.6~6.1 - - 30~40 3.0~3.8 2
GZK30UF 10.0~10.5 - - 30~45 2.5~3.8 2
GZK30 7.6~8.1 - - 30~40 3.0~3.8 2
GZM15 5.5~6.0 2.0~2.8 5.7~6.3 30~45 2.5~3.5 2
GZM30 8.2~8.8 2.2~3.2 5.7~6.3 30~45 2.5~3.5 2

Physical Properties:
Grade Coereive Force (KA/m) Density (g/cm3) Hardness HRA ≥ ≥ Bending Strenth N/mm2
GZP20 10~14 11.35~11.65 91.0 1400
GZP25 9.6~14.4 14.55~14.95 89.0 1800
GZP35 12.0~16.0 12.45~12.70 91.0 1750
GZK10UF 12.0~16.0 12.4~12.9 90.5 1900
GZK20 24.7~29.0 14.70~14.95 62.5 2000
GZK30UF 12.5~16.8 14.9~15.10 90.0 2200
GZK30 16.5~20.0 14.85~15.05 91.7 1900
GZM15 10.9~14.3 13.8~14.3 90.5 1700
GZM30 9.7~13.3 13.35~13.85 90.0 1800

Microstructure:
Grade Magnication (x100) Magnification (x1500)
WC Average Particle Size (μm)
A B C 25~75
μ m
25~125
μ m
>125
μ m
GZP20 A04 B04 C00 5 1 0.5 1.2~2.0
GZP25 A04 B04 C00 5 1 0.5 1.2~2.0
GZP35 A04 B04 C00 5 1 0.5 1.2~2.0
GZK10UF A04 B04 C00 5 1 0.5 0.6~0.8
GZK20 A04 B04 C00 5 1 0.5 1.2~2.0
GZK30UF A04 B04 C00 5 1 0.5 0.6~0.8
GZK30 A04 B04 C00 5 1 0.5 1.2~2.0
GZM15 A04 B04 C00 5 1 0.5 1.2~2.0
GZM30 A04 B04 C00 5 1 0.5 1.2~2.0