Self-protected flux-cored wire for welding 0Cr13Ni5Mo stainless steel and 17-4PH stainless steel and preparation method thereof
A technology of flux-cored welding wire and stainless steel, applied in welding equipment, welding medium, welding/cutting medium/material, etc., to achieve the effect of less welding fume, high production efficiency, and less welding spatter
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[0044] The preparation method of 0Cr13Ni5Mo stainless steel of the present invention and 17-4PH stainless steel welding self-protection type flux-cored welding wire, concrete steps are as follows:
[0045] Step 1, weighed respectively by mass percentage: manganese powder 2%~6%, chromium powder 13%~18%, niobium powder 1%~2.5%, copper powder 6%~13%, nickel powder 5.5%~8%, Rutile powder 8%~11%, marble 25%~33%, fluorite powder 6%~13%, mica 5%~8%, iron oxide powder 1%~3%, alumina powder 1%~4%, oxidation Calcium powder 1% to 4%, the rest is iron powder, the sum of the mass percentages of the above components is 100%;
[0046] Step 2, mix the rutile powder, marble, fluorite powder, mica, iron oxide powder, aluminum oxide powder and calcium oxide powder weighed in step 1 to obtain mixed drug powder A, add water glass binder to mixed drug powder A and mix Uniform, the addition of water glass binder is 20% of the total mass of the mixed drug powder A, and then placed in a heating furna...
Embodiment 1
[0052] The preparation method of 0Cr13Ni5Mo stainless steel of the present invention and 17-4PH stainless steel welding self-protection type flux-cored welding wire, concrete steps are as follows:
[0053] Step 1, take by weight respectively: manganese powder 4%, chromium powder 13%, niobium powder 1%, copper powder 13%, nickel powder 5.5%, rutile powder 8%, marble 28%, fluorite powder 13%, 5% of mica, 1% of iron oxide powder, 2% of alumina powder, 1% of calcium oxide powder, and the rest is iron powder. The sum of the mass percentages of the above components is 100%;
[0054] Step 2, mix the rutile powder, marble, fluorite powder, mica, iron oxide powder, aluminum oxide powder and calcium oxide powder weighed in step 1 to obtain mixed drug powder A, add water glass binder to mixed drug powder A and mix Evenly, the amount of water glass binder added is 20% of the total mass of the mixed powder A, and then placed in a heating furnace, sintered at 550 ° C for 3.5 hours, crushed,...
Embodiment 2
[0061] The preparation method of 0Cr13Ni5Mo stainless steel of the present invention and 17-4PH stainless steel welding self-protection type flux-cored welding wire, concrete steps are as follows:
[0062] Step 1, take by weight respectively: 6% of manganese powder, 15% of chromium powder, 2% of niobium powder, 10% of copper powder, 8% of nickel powder, 11% of rutile powder, 25% of marble, 6% of fluorite powder, 5% of mica, 1% of iron oxide powder, 1% of aluminum oxide powder, 4% of calcium oxide powder, and the rest is iron powder. The sum of the mass percentages of the above components is 100%;
[0063] Step 2, mix the rutile powder, marble, fluorite powder, mica, iron oxide powder, aluminum oxide powder and calcium oxide powder weighed in step 1 to obtain mixed drug powder A, add water glass binder to mixed drug powder A and mix Evenly, the amount of water glass binder added is 20% of the total mass of the mixed powder A, and then placed in a heating furnace, sintered at 50...
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Abstract
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