SJ301T
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SW-SJ301T
Specification：AWS A5.17 F7A2-EM12K
GB/T 5293-2018 S 49A 2 AB-SU26
GB/T 36037-2018 S A AB 1
Introduction：
SJ301T is a kind of Silicon-Calcium type sintered flux, with approperiate welding wire, suitable for welding of pressure vessels, ship-building,steel structures,bridges, pipelines.
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Chemical Composition%：
| Mesh | Moisture% | Impure% | Flux% | ||
| S | P | ||||
| AWS | 10-60 | ≤0.10 | ≤0.30 | ≤0.05 | ≤0.06 |
| TR(HC) | 10-40 | 0.012 | 0.015 | 0.022 | 0.032 |
Typical Mechanical Properties of the Deposited Metal：
| Wire | Tensile Strength | Yield Strength | Elongation | Impact Value | |
| Mpa | Mpa | % | J / ℃ | ||
| TR(HC) | H08Mn / 4mm | 452 | 390 | 29 | 58/-20 |
Packing：
| Bag | Bucket | Ton Bag |
| 25kg (55 lbs) | 25kg (55 lbs) | 400kg (880 lbs) |
| √ | √ | √ |
Points for Attention：
1. Bake the flux at 300-350°C for 2 hours before use.
2. Remove rust, scale, primer, dirt, and spot welding slag on the base metal surface.
3. Regularly add fresh flux.
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