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High Quality for Tungsten Alloy Screws - Tungsten Rod – Forged Tungsten

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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 1...


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High Quality for Tungsten Alloy Screws - Tungsten Rod – Forged Tungsten Detail:

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:

High Quality for Tungsten Alloy Screws -
 Tungsten Rod – Forged Tungsten detail pictures


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Our products and solutions are greatly recognized and trustworthy by customers and may fulfill constantly changing financial and social requires for High Quality for Tungsten Alloy Screws - Tungsten Rod – Forged Tungsten, The product will supply to all over the world, such as: Russia , Mumbai , The Swiss , With top quality products, great after-sales service and warranty policy, we win trust from many overseas partner, many good feedbacks witnessed our factory's growth. With full confidence and strength, welcome customers to contact and visit us for future relationship.
  • The company's products very well, we have purchased and cooperated many times, fair price and assured quality, in short, this is a trustworthy company!
    5 Stars By Bertha from Armenia - 2018.10.01 14:14
    Staff is skilled, well-equipped, process is specification, products meet the requirements and delivery is guaranteed, a best partner!
    5 Stars By Penny from Munich - 2017.12.02 14:11

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