China Discount wholesale Direct Tungsten Rods Tungsten Bar Manufacturer and Supplier

Discount wholesale Direct Tungsten Rods Tungsten Bar

Short Description:

Product Detail

Product Tags

Our advancement depends over the superior machines, exceptional talents and continually strengthened technology forces for Discount wholesale Direct Tungsten Rods Tungsten Bar, Initial enterprise, we understand each other. Additional enterprise, the trust is getting there. Our firm usually at your service anytime.
Our advancement depends over the superior machines, exceptional talents and continually strengthened technology forces for Manufacture Tungsten Solid Rods, Tungsten Bar, Tungsten Solid Rods, We now have constructed strong and long co-operation relationship with an enormous quantity of companies within this business overseas. Immediate and professional after-sale service supplied by our consultant group has happy our buyers. In depth Info and parameters from the merchandise will probably be sent for you for any complete acknowledge. Free samples may be delivered and company check out to our corporation. n Portugal for negotiation is constantly welcome. Hope to get inquiries type you and construct a long-term co-operation partnership.
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