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Kiswel K81TK2
For 560MPa tensile at LNG storage tank shipbuilding, bridges, good impact toughness at -60°C (Ni 1.5% contained).
製品仕様
KISWEL
Flux-Cored Wire
K81TK2 Flux-Cored Wire
High-Strength Ni-Alloyed Wire for Extreme Cold Environments
Product Overview
The Kiswel K81TK2 is a specialized nickel-alloyed flux-cored wire designed for high-strength steel welding where exceptional low-temperature toughness is required. Classified as AWS A5.29 E81T1-K2C, it provides stable performance with CO2 shielding gas, ensuring high crack resistance and excellent mechanical properties down to -60°C.
Core Specs
- • Shielding Gas: CO2
- • Polarity: DC (+)
- • Classification: E81T1-K2C H4
Typical Mechanical Properties
Yield Strength
540 MPa
540 MPa
Tensile Strength
630 MPa
630 MPa
Elongation
25%
25%
Impact (-60°C)
55 J
55 J
Welding Parameters
| Wire (mm) | Position | Ampere (A) | Volt (V) |
|---|---|---|---|
| 1.2 | F, HF | 200-280 | 24-29 |
| VU, OH | 180-240 | 24-28 | |
| F, HF | 150-230 | 22-26 | |
| 1.4 | VU, OH | 220-340 | 24-31 |
| F, HF | 200-260 | 25-28 | |
| VU, OH | 160-230 | 23-26 |
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