ZT · HJ260 (low manganese high silicon medium fluorine)
· Conform to: GB / T17854-1999, F308-H0Cr21Ni10
· Description: HJ260 is a smelting type low-manganese high-silicon medium-fluorine flux. It is gray glass-like particles with a particle size of 2.0-0.28mm (10-60 mesh). Using DC power supply, welding wire is connected to the positive electrode, the arc is stable, and the welding seam is beautifully formed.
· Application: It can be used with austenitic stainless steel welding wire, such as H0Cr21Ni10, H0Cr21Ni10Ti, etc., to weld the corresponding acid-resistant stainless steel structure, and it can also be used for roll overlay welding.
· Flux composition (%)
| SiO2 | MnO | CaF2 | Al2O3 | MgO | CaO | FeO | S | P |
| 29～34 | 2～4 | 20～25 | 19～24 | 15～18 | 4～7 | ≤1.0 | ≤0.06 | ≤0.08 |
· Mechanical properties of deposited metal (according to GB / T17854-1999, F308-H0Cr21Ni10)
| Pilot projects | Tensile strengthR m (MPa) | ElongationA (%) |
| Guarantee value | ≥520 | ≥30 |
· Precautions:
1. Bake at 300 ℃ ~ 350 ℃ for 2h before welding.
2. The rust, oil, moisture and other impurities must be removed at the welding place.
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