Zhuzhou lz is a professional supplier of tungsten carbide cold heading dies, punching dies and stamping dies used in fastener industry for producing screws, nuts, bolts, rivets and hard metal tools etc
Recommended Grade: LC50/LC60/LC70/LC80
Grade | Binding phase(%) | Grain Size(um) | Density(g/cm3) | Hardness(HRA) | TRS(Mpa) |
LC50 | 18 | 3.2 | 13.75 | 85 | 2500 |
LC60 | 20 | 3.2 | 13.60 | 83.5 | 2800 |
LC70 | 22 | 3.2 | 13.40 | 82.5 | 2600 |
LC80 | 25 | 3.2 | 13.15 | 81.5 | 2500 |
〔ID〕 Size and Tolerance:
ID | (H) |
≤2 | ≤18 | >18～30 | >30~45 | >45~60 |
>2～4 | -0.1 -0.5 | -0.1 -0.5 | -0.1 -0.7 | 0 -0.6 |
>4～6 | -0.1 -0.5 | -0.1 -0.5 | -0.1 -0.7 | 0 -0.7 |
>6～10 | +/-0.6-0.1 -0.5 | -0.1 -0.6 | -0.1 -1.0 | 0 -1.0 |
>10～18 | 0.1 -0.6 | -0.1 -0.8 | -0.1 -1.0 | 0 -1.5 |
>18～30 | -- | -0.1 -1.0 | -- | 0 -1.5 |
〔OD〕Size and Tolerance
:
OD | H |
≤18 | >18～30 | >30~45 | >45~60 |
≤18 | +0.2 +1.0 | +0.2 +1.0 | +0.2 +1.0 | +0.2 +1.0 |
>18～30 | +0.2 +1.0 | +0.2 +1.0 | +0.2 +1.0 | +0.2 +1.0 |
>30~45 | +0.2 +1.0 | +0.2 +1.0 | +0.2 +1.0 | +0.2 +1.0 |
>45~60 | +0.2 +1.0 | +0.2 +1.0 | +0.2 +1.0 | +0.2 +1.0 |
〔H〕Size and
Tolerance:
H | ≤10 | >10～18 | >18～30 | >30～50 | >50 |
(TOL.) | +0.30 +0.10 | +0.50 +1.0 | +0.80 +0.20 | +1.0 +0.20 | +1.5 +0.30 |
We are
accept the size as per the customers’ requirement.
ALSO, we warmly welcome
you and your drawing papers