Tungsten Rod/Bar
Alloy: W1, W2
Chemical comopsition.%
Alloy W Others, Less than
Al Ca Fe Mg Mo Ni Si C N O
W1 Rest 0.002 0.005 0.005 0.003 0.010 0.003 0.005 0.008 0.003 0.005
PS: W≥99.95%
Density: 19.1g/cm3
Specification: GB4187-84; GB4186-84
Application: Used in the field of electronics, electric light source, electric vacuum, tungsten heater, etc
Tungsten Rod/Bar alloy, condition, dimension(Table1)
Alloy Processing Dimension,mm Diameter tolerance(mm) Type
Sintering Forged Straightened GrindingMachining
W1W2 Sintering
Grinding
Machining
Forged
0.8≤d<3.0 — — ±2% ±0.03 W Wire Rod
3.0≤d<6.5 — ±2% ±0.05
6.5≤d<11.0 — ±0.08
11≤d<16 — ±1.0 ±1.0 ±0.2 W Rod
16≤d<25 — ±1.0 ±1.0 ±0.2
25≤d<45 ±5 ±1.5 ±1.5 ±0.3
45≤d<55 ±5 ±2.0 ±2.0 ±0.5
55≤d<60 ±5 ±2.5 ±2.5 ±0.8
60≤d<70 ±5 ±3.0 ±3.0 ±0.8
70≤d<75 ±8 ±3.5 ±3.5 ±1.0
75≤d<85 ±8 ±4.0 ±4.0 ±1.5
85≤d<90 ±8 ±4.5 ±4.5 ±1.5
90≤d<100 ±8 ±4.5 ±4.5 ±1.5
Note: the diameter of the grinding or machining method of allowable deviation can be according to buyer’s requirement.
Production Process
Quality products are guaranteed by focusing on every detail in the production process; and leading process leads to leading-edge products.
Tungsten Rod