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Kiswel K-71TSR
For 490MPa low temperature steel (NACE, API steel), Good impact toughness both AS-weld and PWHT conditions.
製品仕様
KISWEL
Flux-Cored Wire
K-71TSR Flux-Cored Wire
Superior Low-Temperature Toughness Flux-Cored Wire
Product Overview
The Kiswel K-71TSR is a premium flux-cored wire specifically engineered for applications requiring exceptional low-temperature toughness. Classified as AWS A5.20 E71T-12CJ, this wire utilizes CO2 shielding gas to produce welds with outstanding impact properties down to -40°C, making it ideal for offshore structures, shipbuilding, and heavy machinery.
Core Specs
- • Shielding Gas: CO2
- • Polarity: DC (+)
- • Classification: E71T-12CJ H4
Typical Mechanical Properties
Yield Strength
578 MPa
578 MPa
Tensile Strength
612 MPa
612 MPa
Elongation
25%
25%
Impact (-40°C)
119 J
119 J
Welding Parameters
| Wire (mm) | Position | Ampere (A) | Volt (V) |
|---|---|---|---|
| 1.2 | F, HF | 200-280 | 24-29 |
| VU | 180-240 | 24-28 | |
| OH | 150-230 | 22-26 | |
| 1.4 | F, HF | 220-340 | 24-31 |
| VU | 200-260 | 25-28 | |
| OH | 160-230 | 23-26 |
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