China Hot sale Niobium Bar/Rod - Factory Cheap Hot Micro Grain Tungsten Carbide Tips Drill Rod – Forged Tungsten Manufacturer and Supplier

Hot sale Niobium Bar/Rod - Factory Cheap Hot Micro Grain Tungsten Carbide Tips Drill Rod – Forged Tungsten

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We've got a really efficient group to deal with inquiries from prospects. Our purpose is "100% customer fulfillment by our product excellent, price & our group service" and enjoy a superb track record amid clientele. With many factories, we can easily deliver a wide selection of Tungsten Small Boat, Tungsten Square Bar, Molybdenum Threaded Flat Bar, We warmly welcome merchants from home and abroad to call us and establish business relationship with us, and we will do our best to serve you.

Hot sale Niobium Bar/Rod - Factory Cheap Hot Micro Grain Tungsten Carbide Tips Drill Rod – Forged Tungsten Detail:

We’ve got the most highly developed manufacturing machines, experienced and qualified engineers and workers, acknowledged good quality management systems and also a friendly specialist gross sales team pre/after-sales support for Factory Cheap Hot Micro Grain Tungsten Carbide Tips Drill Rod, The principle of our corporation is always to give high-quality merchandise, expert service, and honest communication. Welcome all friends to place trial get for making a long-term enterprise partnership.
We’ve got the most highly developed manufacturing machines, experienced and qualified engineers and workers, acknowledged good quality management systems and also a friendly specialist gross sales team pre/after-sales support for Carbide Tips Drill Rods, Solid Carbide Rod, Tungsten Carbide Rod, With the technology as the core, develop and produce high-quality merchandise according to the diverse needs of the market. With this concept,the company will continue to develop goods with high added values and continuously improve products and solutions,and will give many customers with the best products and solutions and services!
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)
Diameter (mm)	Production length (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:

We will devote ourselves to providing our esteemed customers with the most enthusiastically thoughtful services for Hot sale Niobium Bar/Rod - Factory Cheap Hot Micro Grain Tungsten Carbide Tips Drill Rod – Forged Tungsten , The product will supply to all over the world, such as: Belgium, Southampton, Nepal, We have now a good reputation for stable quality goods, well received by customers at home and abroad. Our company would be guided by the idea of "Standing in Domestic Markets, Walking into International Markets". We sincerely hope that we could do business with car manufacturers, auto part buyers and the majority of colleagues both at home and abroad. We expect sincere cooperation and common development!

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