PRODUCTS
Tungsten Series
Molybdenum Series
Titanium Series
Tantalum Series
Niobium Series
HOT PRODUCTS
Contact Us
Kaiyuan Avenue,Luoyang,Henan
CONTACT: Xu Jianmin
TEL: +86-379-64687113
FAX: +86-379-64687112
MOBILE:+86-13849934380
EMAIL: sales@moly-china.com
Applications:
1. For producing electric light source parts and electric vaccum components;
2. For producing heating elements and refractory parts in high temperature furnaces;
3. For producing heating elements used in vaccum metalizing or plating;
Standard : GB/T 4181-1997.
1. High melting point and high corrosion resistance
2. Super thermal efficiency
3. 99.95% Purity
4. Appearance: silver white/gray metallic luster
The surface of electrolytic polished tungsten wire shall be smooth, clean, gray silver with metal luster. The tungsten wire features excellent formability, short life and supper lighting efficiency.
Chemical Composition:
Designation |
Tungsten Content |
Impurity Elements Content |
|
Total |
Each |
||
WAL1、WAL2 |
≥99.95% |
≤0.05% |
≤0.01% |
W1 |
≥99.95% |
≤0.05% |
≤0.01% |
W2 |
≥99.92% |
≤0.08% |
≤0.01% |
Note: Potassium is not counted in impurities content. |
Diameter tolerance(%):
Diameter (μm) |
Weight (mg/200mm) |
Weight(mg/200mm) Tolerance(%) |
Diameter Tolerance(%) |
||||
Grade 0 |
Grade 1 |
Grade 2 |
Grade 0 |
Grade 1 |
Grade 2 |
||
5≤d≤12 |
0.075~0.44 |
- |
±4 |
±5 |
- |
- |
- |
12 |
>0.44~0.98 |
- |
±3 |
±4 |
- |
- |
- |
18 |
>0.98~4.85 |
±2 |
±2.5 |
±3 |
- |
- |
- |
40 |
>4.85~19.39 |
±1.5 |
±2.0 |
±2.5 |
- |
- |
- |
80 |
>19.39~272.71 |
±1.0 |
±1.5 |
±2.0 |
- |
- |
- |
300 |
>272.71~371.79 |
- |
±1.0 |
±1.5 |
- |
- |
- |
350 |
- |
- |
±1.5 |
±2.0 |
±2.5±1.0 |
||
500 |
- |
- |
±1.0 |
±1.5 |
±2.0 |
Luoyang Combat can produce different size and shapes tungsten & molybdenum products according to client's requirements.
1.Tungsten Wires |
|||
Diameter (µm) |
Wire Weight per 200mm in length (mg) |
Wire Weight per 200mm in length for tolerance (%) |
|
15 d 18 |
> 0.3~0.98 |
Class A |
Class B |
+2.5 |
+3.0 |
||
18 < d 40 |
>0.98~4.85 |
+2.0 |
+2.5 |
40 < d 80 |
>4.85~19.39 |
+1.5 |
+2.0 |
80 < d 300 |
>19.39~30.30 |
+1.0 |
+1.5 |
300< d 400 |
>272.71~484.80 |
+0.5 |
+1.0 |
2.Cleaned Tungsten Wires |
|||||
Diameter (µm) |
Wire Weight per 200mm in length (mg) |
Wire Weight per 200mm in length for tolerance (%) |
Linearity |
||
10 d 18 |
>0.3~0.98 |
Class A |
Class B |
Suspension length (%) |
Chord high (mm) |
+2.5 |
+3.0 |
- |
- |
||
18 < d 40 |
>0.98~4.85 |
+2.0 |
+2.5 |
- |
- |
40 < d 80 |
>4.85~19.39 |
+1.5 |
+2.0 |
90 |
- |
80 < d 100 |
>19.39~30.30 |
+1.0 |
+1.5 |
- |
- |
100< d 300 |
>30.30~272.71 |
+1.0 |
+1.5 |
- |
8 |
300< d 400 |
>272.71~484.80 |
+0.5 |
+1.0 |
- |
- |
Electronic watch,electronic computer,mini-bulb and other precision equipment manufacture.