High PerformanceTungsten Heating Element For Vacuum - Molybdenum Copper Alloy – Forged Tungsten
High PerformanceTungsten Heating Element For Vacuum - Molybdenum Copper Alloy – Forged Tungsten Detail:
Chemical composition:
Main and minor components | Min.content(%) |
Mo | 67-73 |
Cu | 27-33 |
Impurities | Max.values (μg/g) |
Al | 10 |
Cr | 20 |
Fe | 20 |
K | 20 |
Ni | 10 |
Si | 30 |
W | 300 |
C | 100 |
H | 10 |
N | 10 |
O | 1000 |
Sn | 10 |
Sb | 20 |
Sr | 10 |
V | 10 |
Cd | 5 |
Hg | 1 |
Pb | 5 |
Thickness and width tolerances:
Tolerances with width | Width tolerance | |
Thickness(mm) | Max. 400 mm ± mm or % of the thickness | [± mm] |
0.20-0.30 | 0.020 | 0.5 |
0.30-0.40 | 0.030 | 0.5 |
0.40-0.60 | 0.035 | 1.6 |
0.60-1.00 | 0.040 | 1.6 |
1.00-1.50 | 4% | 1.6 |
1.50-2.00 | 4% | 1.6 |
Lengh tolerance
The length tolerance for all dimensions is maximal +5/-0 mm.
Flatness | max. 4% (measuring procedure on the basis of ASTM B386) |
Density | ≥ 9,7 g/cm³ |
Thermal expansion coefficient | ≤ 9,5 [10-6 × K-1 ] |
Thermal conductivity [λ at 20°C] | 150 – 190 [W/mK] |
Specific electrical resistance [ρ at 20°C] | ≤ 0,040 [µΩm] |
[E-Modulus at 20°C] | 215 – 240 GPa |
Vickers hardness | ≥ 180 HV |
Appearance | The material will be of uniform quality, free from foreign matter, splits and fractures. Bed sheets (not trimmed) may have small edge cracks. |
Surface roughness | Cold-rolled, ground:Ra≤1.5µm |
Cold-rolled: Ra≤1.5µm |
Product detail pictures:
Related Product Guide:
U.S collaboration grows large single-crystal graphene that could advance graphene research and commercialization | Niobium Carbide Alloy Powder
Chicago fishing, Midwest Fish Report: Still ice fishing, Braidwood is all that | Slivery Color Molybdenum Sheet /Plate
"Sincerity, Innovation, Rigorousness, and Efficiency" would be the persistent conception of our enterprise with the long-term to build with each other with consumers for mutual reciprocity and mutual advantage for High PerformanceTungsten Heating Element For Vacuum - Molybdenum Copper Alloy – Forged Tungsten , The product will supply to all over the world, such as: Georgia, Pretoria, Swiss, We expect to provide products and services to more users in global aftermarket markets; we launched our global branding strategy by providing our excellent products all over the world by virtue of our well reputed partners letting global users keep pace with technology innovation and achievements with us.
By Pearl Permewan from Sri Lanka - 2017.03.28 12:22
Good quality and fast delivery, it's very nice. Some products have a little bit problem, but the supplier replaced timely, overall, we are satisfied.
By Maud from Melbourne - 2018.07.26 16:51
Write your message here and send it to us