Factory wholesale Niobium Metal Rods - WLa Rod – Forged Tungsten
Factory wholesale Niobium Metal Rods - WLa Rod – Forged Tungsten Detail:
Chemical composition:
Main and minor components | Min.content(%) | ASTM B760 |
W | balance | balance |
La | 0.77-0.94% | |
La2O3 | 0.90-1.10% | |
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 |
Cd | 5 | - |
Hg | 1 | - |
Pb | 5 | - |
Diameter and tolerances:
Diameter (mm) | Tolerance | ||
Forged | Turned | Ground | |
1.20-1.99 | - | ±0.010 | |
2.00-2.99 | - | ±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 |
40.0-50.0 | ±0.40 | ±0.30 | ±0.20 |
50.0-80.0 | ±1.00 | ±0.40 | - |
Length and straightness:
Diameter (mm) | Production length (mm) | Stiraightness/Meter (mm) | |
Cleaned | Ground/turned | ||
1.20-10.0 | ≥500 | <2.5 | <2.5 |
10.1-50.0 | ≥300 | <2.0 | <1.5 |
50.1-80.0 | ≥100 | <2.0 | <1.5 |
Length tolerance:
Diameter 1.20-30.0 mm |
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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 |
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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:
Diameter (mm) | Density (g/cm³) |
1.20-6.0 | 18.85 |
6.0-40.0 | 18.75 |
40.0-80.0 | 18.65 |
Nondestructive testing: For diameters>15.00 mm: 100% ultrasonic testing. For diameters of 1.2-50.0mm: Eddy curent tests fro ground products visual inspection.
Diameter(mm) | Hardness(HV 30) |
3.0-10.0 | >420 |
10.0-30.0 | >400 |
30.0-50.0 | >380 |
≥50 | >350 |
Surface condition:
Diameter (mm) | Surface condition |
≤2.50 | ground Ra≤0.8μm |
2.50-30.0 | ground Ra≤1.0μm |
30.0-50.0 | ground Ra≤1.2μm |
≥50.0 | Turned Ra≤3.2μm |
Product detail pictures:
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"Quality 1st, Honesty as base, Sincere company and mutual profit" is our idea, in an effort to create consistently and pursue the excellence for Factory wholesale Niobium Metal Rods - WLa Rod – Forged Tungsten , The product will supply to all over the world, such as: Slovenia, UK, Washington, Our products are widely recognized and trusted by users and can meet continuously changing of economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!
By Fiona from Munich - 2018.06.21 17:11
We have been cooperated with this company for many years, the company always ensure timely delivery ,good quality and correct number, we are good partners.
By Eleanore from French - 2018.05.13 17:00
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