OEM China Niobium Thick Pipe - Factory For 99.95% Pure Wolfram Tungsten Bars Rods For Industry – Forged Tungsten
OEM China Niobium Thick Pipe - Factory For 99.95% Pure Wolfram Tungsten Bars Rods For Industry – Forged Tungsten Detail:
Using a full scientific good quality administration system, very good quality and superior faith, we win good standing and occupied this discipline for Factory For 99.95% Pure Wolfram Tungsten Bars Rods For Industry, We often stick with the principle of “Integrity, Efficiency, Innovation and Win-Win business”. Welcome to visit our web page and don’t hesitate to communicate with us. Are you prepared? ? ? Let us go!!!
Using a full scientific good quality administration system, very good quality and superior faith, we win good standing and occupied this discipline for Pure Tungsten Bar, Tungsten Bar, Tungsten Rod, Our company is working by the operation principle of “integrity-based, cooperation created, people oriented, win-win cooperation”. We hope we can have a friendly relationship with businessman from all over the world.
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 |
Product detail pictures:
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From the past few years, our firm absorbed and digested sophisticated technologies equally at home and abroad. Meanwhile, our organization staffs a group of experts devoted into the growth of OEM China Niobium Thick Pipe - Factory For 99.95% Pure Wolfram Tungsten Bars Rods For Industry – Forged Tungsten , The product will supply to all over the world, such as: Mumbai, Mumbai, Malaysia, Our company offers the full range from pre-sales to after-sales service, from product development to audit the use of maintenance, based on strong technical strength, superior product performance, reasonable prices and perfect service, we'll continue to develop, to deliver the high-quality items and services, and promote lasting cooperation with our customers, common development and create a better future.
By Eleanore from Morocco - 2018.06.21 17:11
The factory has advanced equipment, experienced staffs and good management level, so product quality had assurance, this cooperation is very relaxed and happy!
By Elaine from Honduras - 2017.02.14 13:19