Self-protection flux-cored wire for welding of 1Cr12NiW1MoV stainless steel and G520 stainless steel and preparation method thereof
A 1.1cr12niw1mov, flux-cored welding wire technology, applied in the field of welding materials and its preparation, to achieve good welding process performance, simple preparation method, and high production efficiency
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[0040] The preparation method of 1Cr12NiW1MoV stainless steel and G520 stainless steel welding self-shielding flux-cored wire, the specific steps are as follows:
[0041] Step 1. Weigh respectively according to mass percentage: 4%-6% of quartz, 26%-34% of chromium powder, 2%-4% of manganese powder, 3%-6% of ferroniobium powder, 15%-23% of barium fluoride powder %, rutile powder 12% to 16%, lithium carbonate powder 2% to 6%, iron oxide powder 5% to 9%, alumina powder 4% to 6%, magnesium oxide 4% to 6%, and the rest is iron powder , the sum of the mass percentages of the above components is 100%;
[0042] Step 2, mix the barium fluoride powder, lithium carbonate powder, iron oxide powder, quartz, aluminum oxide powder and magnesium oxide powder that step 1 takes by weighing, obtain mixed medicine powder A, add water glass binder in mixed medicine powder A and Mix evenly, the mass ratio of mixed drug powder A to water glass binder is 5:1, then place it in a heating furnace, sint...
Embodiment 1
[0048] The preparation method of 1Cr12NiW1MoV stainless steel and G520 stainless steel welding self-shielding flux-cored wire, the specific steps are as follows:
[0049] Step 1. Weigh respectively by mass percentage: 6% of quartz, 26% of chromium powder, 4% of manganese powder, 6% of ferroniobium powder, 15% of barium fluoride powder, 16% of rutile powder, 2% of lithium carbonate powder, 9% of iron powder, 6% of alumina powder, 6% of magnesium oxide powder, and the rest is iron powder. The sum of the mass percentages of the above components is 100%;
[0050] Step 2, mix the barium fluoride powder, lithium carbonate powder, iron oxide powder, quartz, aluminum oxide powder and magnesium oxide powder that step 1 takes by weighing, obtain mixed medicine powder A, add water glass binder in mixed medicine powder A and Mix evenly, the mass ratio of mixed drug powder A to water glass binder is 5:1, then place in a heating furnace, sinter at 650°C for 5 hours, crush and pass through a...
Embodiment 2
[0057] The preparation method of 1Cr12NiW1MoV stainless steel and G520 stainless steel welding self-shielding flux-cored wire, the specific steps are as follows:
[0058] Step 1. Weigh respectively by mass percentage: 4% of quartz, 34% of chromium powder, 2% of manganese powder, 3% of ferroniobium powder, 19% of barium fluoride powder, 12% of rutile powder, 6% of lithium carbonate powder, 7% iron powder, 5% aluminum oxide powder, 5% magnesium oxide powder, and the rest is iron powder. The sum of the mass percentages of the above components is 100%;
[0059] Step 2, mix the barium fluoride powder, lithium carbonate powder, iron oxide powder, quartz, aluminum oxide powder and magnesium oxide powder that step 1 takes by weighing, obtain mixed medicine powder A, add water glass binder in mixed medicine powder A and Mix evenly, the mass ratio of mixed drug powder A to water glass binder is 5:1, then place in a heating furnace, sinter at 700°C for 4 hours, crush and pass through a 6...
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