Sharpened Tungsten Needle Rod
Top Quality World Low Price Sharpened or Pre-ground Tungsten Electrodes
& Cemented Carbide Hardmetal Valve Needle Rod etc.
Pre-ground Tungsten Electrodes Pre-ground Tungsten Electrodes Pre-ground Tungsten Electrodes
Precise Flat 0.5mm Angle 20° Precise Flat 0.5mm Angle 28° Consistent Quality & Millions Pcs. Annually
Pre-ground Tungsten Electrodes Pre-ground Tungsten Electrodes Pre-ground Tungsten Electrodes
Precise Angle 20° Very Sharp Precise Angle 28° Very Sharp Precise Angle 60° Very Sharp
1. AMTmetalTech Top Quality World Low Price Sharpened Tungsten Electrode Rod Needle According to AWS A5.12 & ISO 6848
Designation | Composition, Impurities Total ≤ 0.10% | Identification Color | |
Oxide Additive | Tungsten | ||
EWTh-2, WT20 | 2% Thoriated, ThO2: 1.70-2.20% | Balance | Red |
EWLa-1.5, WL15 | 1.5% Lanthanated, La2O3: 1.30-1.70% | Balance | Gold |
EWCe-2, WC20 | 2% Ceriated, CeO2: 1.80-2.20% | Balance | Gray |
WZ8 | 0.8% Zirconiated, ZrO2: 0.70-0.90% | Balance | White |
EWLa-1, WL10 | 1% Lanthanated, La2O3: 0.90-1.20% | Balance | Black |
EWLa-2, WL20 | 2% Lanthanated, La2O3: 1.80-2.20% | Balance | Blue |
EWP, WP | Pure Tungsten | ≥ 99.95% | Green |
EWG, WR02 | 1.5% La2O3 + 0.08% Yt2O3 + 0.08% ZrO2 | Balance | Turquoise |
AMTmetalTech Top Quality World Low Price Sharpened Tungsten Electrode Typical Rod Diameter 0.040"(1.0mm), 1/16" (1.6mm), 2.0mm, 3/32"(2.4mm), 3.0mm, 1/8"(3.2mm), 5/32"(4.0mm), 3/16"(4.8mm), 1/4"(6.4mm). Diameter Tolerance: ±0.002"(0.05mm) for Diameter ≤3/32"(2.4mm), ±0.004"(0.10mm) for Diameter >3/32"(2.4mm). Length Tolerance: 0.6"(15mm)-6"(150mm)-7"(175mm)±0.040"(1.0mm). Packing: 10pcs./Plastic Box for 0.040"(1.0mm)-5/32"(4.0mm), 5pcs./Plastic Box for 3/16"(4.8mm)-1/4"(6.4mm) etc.
2. AMTmetalTech Top Quality World Low Price Sharpened Tungsten Cemented Carbide Hardmetal Needle Valve Rod etc.
Types | Composition (%) | Density, g/Cm3 | Hardness, HRA | Bend Strength, N/mm2 |
AMYG6 | Co: 5.8-6.2, WC Balance | ≥14.6 | ≥91 | ≥2150 |
AMYG8 | Co: 7.8-8.2, WC Balance | ≥14.5 | ≥90 | ≥2250 |
AMYG11 | Co: 10.8-11.2, WC Balance | ≥14.1 | ≥88 | ≥2300 |
AMYG15 | Co: 14.8-15.2, WC Balance | ≥13.9 | ≥85 | ≥2500 |
AMTmetalTech Top Quality World Low Price Sharpened Tungsten Cemented Carbide Hardmetal Rod Needle is made from WC-6Co / WC-8Co / WC-11Co for Needle Valve Sharpened Tungsten Carbide Hardmetal Rod etc.
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