Chromium nickel alloy powder for flux-cored wire, flux-cored wire and preparation method of flux-cored wire
A chromium-nickel alloy and flux-cored wire technology, applied in welding equipment, metal processing equipment, welding medium, etc., can solve the problems of restricting the development of stainless steel flux-cored welding wire with fine diameter, affecting the welding process level of welding wire, restricting deoxidizers, etc. Achieve the effect that is beneficial to the welding level of the product, uniform and stable chromium and nickel elements, and less spatter
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Embodiment 1
[0024] In the present invention, the chromium-nickel alloy powder includes the following components in mass percentage: Cr: 39.7%; Ni: 19.8%; C: 0.011%; Si: 0.21%; Mn: 0.52%; S: 0.008%; P: 0.015%; : 0.010%; Mo: 0.007%; the rest is Fe.
[0025] Wherein, the particle size of the chromium-nickel alloy powder is 100% of the chromium-nickel alloy powder is greater than 50 mesh, and the particle size of less than 15% of the chromium-nickel alloy powder is less than 200 mesh.
[0026] The flux-cored welding wire of the present invention comprises a sheath and a core powder; the core powder is arranged in the sheath; and the core powder comprises the following components in mass percentage: TiO 3 : 26%; SiO 2 : 10%; the above-mentioned chromium-nickel alloy powder: 50%; ZrO 2 : 3%; Al-Mg alloy powder: 3%; Mn metal powder: 8%.
[0027] The preparation method of preparing above-mentioned medicinal welding wire among the present invention; Comprise the following steps:
[0028] A, mi...
Embodiment 2
[0034] In the present invention, the chromium-nickel alloy powder in the present invention comprises the following components in mass percentage: Cr: 37%; Ni: 23%; C: 0.03%; Si: 1%; Mn: 2.5%; S: 0.02%; P: 0.025% ; Cu: 0.5%; Mo: 0.5%; the rest is Fe.
[0035] Wherein, the particle size of the chromium-nickel alloy powder is 100% of the chromium-nickel alloy powder is greater than 50 mesh, and the particle size of less than 15% of the chromium-nickel alloy powder is less than 200 mesh.
[0036] The flux-cored welding wire of the present invention comprises a sheath and a core powder; the core powder is arranged in the sheath; and the core powder comprises the following components in mass percentage: TiO 3 : 30%; SiO 2 : 15%; the above-mentioned chromium-nickel alloy powder: 45%; ZrO 2 : 1%; Al-Mg alloy powder: 5%; Mn metal powder: 4%.
[0037] The preparation method of preparing above-mentioned medicinal welding wire among the present invention; Comprise the following steps: ...
Embodiment 3
[0044] In the present invention, the chromium-nickel alloy powder in the present invention includes the following components in mass percentage: Cr: 45%; Ni: 18%; C: 0.011%; Si: 0.21%; Mn: 0.52%; S: 0.008%; P: 0.015 %; Cu: 0.010%; Mo: 0.007%; the rest is Fe.
[0045] Wherein, the particle size of the chromium-nickel alloy powder is 100% larger than 50 mesh and 100% smaller than 200 mesh.
[0046] The flux-cored welding wire of the present invention comprises a sheath and a core powder; the core powder is arranged in the sheath; and the core powder comprises the following components in mass percentage: TiO 3 : 20%; SiO 2 : 7%; the above chromium-nickel alloy powder: 55%; ZrO 2 : 5%; Al-Mg alloy powder: 5%; Mn metal powder: 8%.
[0047] The preparation method of preparing above-mentioned medicinal welding wire among the present invention; Comprise the following steps:
[0048] A, mix and prepare to form chromium-nickel alloy by mass percentage;
[0049] B. The chromium-nick...
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