2017 China New Design Niobium Alloy Round Bars - Factory Free sample Tungsten Welding Rods – Forged Tungsten
2017 China New Design Niobium Alloy Round Bars - Factory Free sample Tungsten Welding Rods – Forged Tungsten Detail:
“Sincerity, Innovation, Rigorousness, and Efficiency” could be the persistent conception of our enterprise to the long-term to produce together with clients for mutual reciprocity and mutual profit for Factory Free sample Tungsten Welding Rods, We will customize the merchandise according to the necessities and we can pack it for you personally when you purchase.
“Sincerity, Innovation, Rigorousness, and Efficiency” could be the persistent conception of our enterprise to the long-term to produce together with clients for mutual reciprocity and mutual profit for Tungsten Welding Electrode, Tungsten Welding Rods, Welding Rod Grey Tig Tungsten Electrode, By integrating manufacturing with foreign trade sectors, we can provide total customer solutions by guaranteeing the delivery of right products to the right place at the right time, which is supported by our abundant experiences, powerful production capability, consistent quality, diversified product portfolios and the control of the industry trend as well as our mature before and after sales services. We’d like to share our ideas with you and welcome your comments and questions.
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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"Control the standard by the details, show the power by quality". Our firm has strived to establish a extremely efficient and stable employees crew and explored an effective excellent command method for 2017 China New Design Niobium Alloy Round Bars - Factory Free sample Tungsten Welding Rods – Forged Tungsten , The product will supply to all over the world, such as: Lesotho, Angola, Mali, They're durable modeling and promoting effectively all over the world. Under no circumstances disappearing major functions in a quick time, it's a should for you of excellent good quality. Guided by the principle of "Prudence, Efficiency, Union and Innovation. the company make a terrific efforts to expand its international trade, raise its company profit and raise its export scale. We're confident that we are going to possess a vibrant prospect and to be distributed all over the world within the years to come.
By Florence from Afghanistan - 2017.10.25 15:53
The company can think what our think, the urgency of urgency to act in the interests of our position, can be said this is a responsible company, we had a happy cooperation!
By Constance from Turkmenistan - 2018.06.30 17:29