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KISWEL K-7018NP
Welding of aluminium-killed steel used at low temperature, LPG tankers and LPG storage tanks, pipe etc.
产品规格
KISWEL
Low Hydrogen
K-7018NP Welding Electrode
High-Performance Low Hydrogen Electrode for Critical Applications
Product Overview
The KISWEL K-7018NP is a premium low-hydrogen electrode designed for superior welding performance. Classified as AWS A5.1 E7018-1 H4R, it is engineered for critical structures where high impact toughness and hydrogen-controlled deposits are essential. The electrode provides excellent arc stability, smooth bead appearance, and reliable mechanical properties for demanding fabrication and construction applications.
Core Specifications
- • Classification: AWS A5.1 E7018-1 H4R
- • Polarity: DC (+)
- • Hydrogen Level: H4 (Ultra-Low Hydrogen)
- • Welding Positions: F, HF, H, VU, OH
- • Applications: Structural steel, pressure vessels, bridges, heavy equipment, and critical fabrications.
Typical Mechanical Properties
Yield Strength
510 MPa
Tensile Strength
590 MPa
Elongation
32%
Impact Toughness
75 J
(-45°C)
Welding Parameters
| Size (mm) | Position | Ampere Range (A) |
|---|---|---|
| 2.6 | F, HF | 70 - 100 |
| VU, OH | 60 - 90 | |
| 3.2 | F, HF | 90 - 130 |
| VU, OH | 85 - 120 | |
| 4.0 | F, HF | 150 - 190 |
| VU, OH | 110 - 160 |
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