OEM manufacturer Tantalum Bar - OEM Factory for 1mm 0.9mm*12mm Sharpening Tungsten Needle – Forged Tungsten
OEM manufacturer Tantalum Bar - OEM Factory for 1mm 0.9mm*12mm Sharpening Tungsten Needle – Forged Tungsten Detail:
The key to our success is “Good Merchandise High-quality, Reasonable Selling price and Efficient Service” for OEM Factory for 1mm 0.9mm*12mm Sharpening Tungsten Needle, “Change with the much better!” is our slogan, which means “A greater globe is before us, so let’s take pleasure in it!” Change for that better! Are you completely ready?
The key to our success is “Good Merchandise High-quality, Reasonable Selling price and Efficient Service” for Halsey Tungsten Carbide Needle Holder, Needle Holder With Tungsten Carbide Tips, Sharpening Tungsten Needle, We give good quality but unbeatable low price and the best service. Welcome to post your samples and color ring to us .We are going to produce the items according to your request. If you are interested in any solutions we provide, remember to feel free to contact us directly by mail, fax, telephone or internet. We have been here to answer your questions from Monday to Saturday and looking forward to cooperating with you.
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:
Related Product Guide:
Cybermaterials: materials by design and accelerated insertion of materials | Niobium Carbide Alloy Powder
These Spray-on Antennas Could be the Future of Communication | Slivery Color Molybdenum Sheet /Plate
We are experienced manufacturer. Wining the majority from the crucial certifications of its market for OEM manufacturer Tantalum Bar - OEM Factory for 1mm 0.9mm*12mm Sharpening Tungsten Needle – Forged Tungsten , The product will supply to all over the world, such as: Slovak Republic , Malta , Tunisia , We mainly sell in wholesale, with the most popular and easy ways of making payment, which are paying via Money Gram, Western Union, Bank Transfer and Paypal. For any further talk, just feel free to contact our salesmen, who are really good and knowledgeable about our prodcuts.
By Rae from Malawi - 2017.01.28 19:59
We are old friends, the company's product quality has been always very good and this time the price is also very cheap.
By April from Argentina - 2018.02.21 12:14