OEM Manufacturer Rolled Tungsten Foils - Factory Promotional Tungsten Copper Alloy Rod,Wcu Round Bar In Wolfram Alloy (w55,W65,W75,W80,W85) – Forged Tungsten

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Well-run equipment, expert income workforce, and far better after-sales expert services; We are also a unified large family, anyone stick to the corporate value “unification, dedication, tolerance” for Tungsten Copper Alloy Rod, Wcu Bar, Wolframcopper, Our production have been exported to more than 30 countries and regions as first hand source with lowest price. We sincerely welcome customers from both at home and abroad to come to negotiate business with us.
Chemical composition:

Main and minor components Min.content(%) ASTM B760
W 99.95 balance
Impurities Max.values (μg/g) Max.values (μg/g)
Al 15 -
Cu 10 -
Cr 20 -
Fe 30 100
K 10 -
Ni 20 100
Si 20 100
Mo 100 -
C 30 100
H 5 -
N 5 100
O 20 100
Cd 5 -
Hg 1 -
Pb 5 -

Diameter and tolerances:

Diameter (mm) Tolerance
  Straightened Forged Turned Ground
0.50-0.99 - -   ±0.007
1.00-1.99 - -   ±0.010
2.00-2.99 ±2.0 % -   ±0.015
3.00-15.9 - -   ±0.020
16.0-24.9 - ±0.30   ±0.030
25.0-34.9 - ±0.40   ±0.050
35.0-39.9 - ±0.40 ±0.30 ±0.060
40.0-49.9 - ±0.40 ±0.30 ±0.20
50.0-90.0 - ±1.00 ±0.40 -

Length and straightness:

Diameter (mm) Production length (mm) Stiraightness/Meter (mm)
Cleaned Ground/turned
0.50-10.0 ≥500 <2.5 <2.5
10.1-50.0 ≥300 <2.0 <1.5
50.1-90.0 ≥100 <2.0 <1.5

Length tolerance:

Diameter 0.50-30.0 mm
Nominal length (mm) ≥15 15-120 120-400 400-1000 1000-2000 >2000
Length tolerance(mm) ±0.2 ±0.3 ±0.5 ±2.0 ±3.0 ±4.0
Diameter >30.0 mm
Nominal length (mm) ≥30 30-120 120-400 400-1000 1000-2000 >2000
Length tolerance(mm) ±0.5 ±0.8 ±1.2 ±4.0 ±6.0 ±8.0

Density: ≥19.1g/cm³
Nondestructive testing: For diameters>15.00 mm:100% ultrasonic testing. For diameters of 0.50-50.0mm:Eddy curent tests on rods with ground surface.

Diameter(mm) Hardness (HV 10)
0.50-2.99
3.00-9.99 420-500
10.0-29.9 420-480
30.0-49.9 380-460
≥50 >350

Surface condition:

Diameter (mm) Surface condition
0.50-90.0 Chemical cleaned
≥40.0 Turned Ra ≤3.2μm
0.50-30 Centerless ground Ra≤1.0μm
≥40.0 - Centerless ground Ra≤1.2μm

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