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Kiswel K81TK2
Welding Consumable KISWEL

Kiswel K81TK2

For 560MPa tensile at LNG storage tank shipbuilding, bridges, good impact toughness at -60°C (Ni 1.5% contained).

Product Specification

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
Tensile Strength
630 MPa
Elongation
25%
Impact (-60°C)
55 J

Welding Parameters

Wire (mm) Position Ampere (A) Volt (V)
1.2F, HF200-28024-29
VU, OH180-24024-28
F, HF150-23022-26
1.4VU, OH220-34024-31
F, HF200-26025-28
VU, OH160-23023-26
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