2017 China New Design High Purity Niobium Rod - Popular Design for Tungsten And Tungsten Alloy Bar / Rod / Electrode For Ansi/aws A5.12/a5.12m-98 – Forged Tungsten
2017 China New Design High Purity Niobium Rod - Popular Design for Tungsten And Tungsten Alloy Bar / Rod / Electrode For Ansi/aws A5.12/a5.12m-98 – Forged Tungsten Detail:
In order to give you convenience and enlarge our business, we also have inspectors in QC Team and assure you our best service and product for Popular Design for Tungsten And Tungsten Alloy Bar / Rod / Electrode For Ansi/aws A5.12/a5.12m-98, We sincerely welcome all guests to setup business enterprise interactions with us around the basis of mutual positive aspects. Remember to speak to us now. You’ll get our qualified reply within just 8 several hours.
In order to give you convenience and enlarge our business, we also have inspectors in QC Team and assure you our best service and product for Tungsten And It's Alloy Bar, Tungsten And It's Alloy Electrode, Tungsten And It's Alloy Rod, We can meet the various needs of customers at home and abroad. We welcome new and old customers to come to consult & negotiate with us. Your satisfaction is our motivation! Allow us to work together to write a brilliant new chapter!
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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We keep on with our enterprise spirit of "Quality, Efficiency, Innovation and Integrity". We intention to create extra worth for our buyers with our prosperous resources, superior machinery, experienced workers and superb services for 2017 China New Design High Purity Niobium Rod - Popular Design for Tungsten And Tungsten Alloy Bar / Rod / Electrode For Ansi/aws A5.12/a5.12m-98 – Forged Tungsten , The product will supply to all over the world, such as: Sudan , Guatemala , Manila , Our company sticks to the principle of "high quality, reasonable price and timely delivery". We sincerely hope to establish good cooperative relationships with our new and old business partners from all parts of the world. We hope to work with you and serve you with our excellent goods and services. Welcome to join us!
By Modesty from Armenia - 2018.06.26 19:27
It's really lucky to find such a professional and responsible manufacturer, the product quality is good and delivery is timely, very nice.
By Linda from Philadelphia - 2017.09.26 12:12