China OEM manufacturer Tantalum Bar - OEM Factory for 1mm 0.9mm*12mm Sharpening Tungsten Needle – Forged Tungsten Manufacturer and Supplier

OEM manufacturer Tantalum Bar - OEM Factory for 1mm 0.9mm*12mm Sharpening Tungsten Needle – Forged Tungsten

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"Based on domestic market and expand overseas business" is our improvement strategy for Molybdenum Sheet, Electrodes Tungsten, Tungsten Capillary Pipe, Only for accomplish the good-quality product to meet customer's demand, all of our products have been strictly inspected before shipment.

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)
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:

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While using the "Client-Oriented" company philosophy, a demanding high-quality management method, innovative producing products and also a sturdy R&D workforce, we always deliver premium quality merchandise, superb solutions and aggressive selling prices 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: Sao Paulo, Argentina, Algeria, With the principle of win-win, we hope to help you make more profits in the market. An opportunity is not to be caught, but to be created. Any trading companies or distributors from any countries are welcomed.

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Hope that the company could stick to the enterprise spirit of "Quality, Efficiency, Innovation and Integrity", it will be better and better in the future.