A high-strength and high-wear-resistant stainless steel surfacing flux-cored wire and its application
A stainless steel, high wear-resistant technology, used in welding equipment, welding media, welding/cutting media/materials, etc., can solve the problems of density and expansion coefficient obstacles, high manufacturing and repair costs, poor toughness of surfacing alloys, etc. Eliminate crystal cracks, high welding stability, and good weld formation
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Embodiment 1
[0024] A high-strength and high-wear-resistant stainless steel surfacing flux-cored welding wire, including a 430 ferritic stainless steel sheath with a chromium content of 16.0% and a flux core with a filling content of 38%. The composition and mass percentage of the flux core are: metal Chromium powder: 28%; nickel powder: 4%; niobium powder: 1%; vanadium powder: 2%; manganese powder: 10%; 3 rare earth compounds composed of 6%; quartz: 5%; magnesia: 3%; fluoride composed of sodium fluoride, sodium fluoroaluminate and calcium fluoride in a mass ratio of 1:1:1: 4%; additives: 5 %; 5% rutile; the balance is iron powder.
[0025] The multi-element alloy is composed of the following components in mass percentage: the content of magnesium is 45%, the content of aluminum is 40%, and the content of boron is 15%; the additive is composed of the following components in mass percentage: the content of graphene 30%, 20% silicon nitride, 25% each of tungsten carbide and chromium carbide...
Embodiment 2
[0031] A high-strength and high-wear-resistant stainless steel surfacing flux-cored welding wire, including a 430 ferritic stainless steel sheath with a chromium content of 17.0% and a flux core with a filling content of 35%. The composition and mass percentage of the flux core are: metal Chromium powder: 25%; nickel powder: 5%; niobium powder: 2%; vanadium powder: 3%; manganese powder: 10%; 3 rare earth compounds composed of 4%; quartz: 4%; magnesia: 5%; fluoride composed of sodium fluoride, sodium fluoroaluminate and calcium fluoride in a mass ratio of 2:1:1: 3%; additives: 6 %; rutile 6%; the balance is iron powder.
[0032] The multi-element alloy is composed of the following components in mass percentage: the content of magnesium is 50%, the content of aluminum is 40%, and the content of boron is 10%; the additive is composed of the following components in mass percentage: the content of graphene 30%, 20% silicon nitride, 25% each of tungsten carbide and chromium carbide...
Embodiment 3
[0038]A high-strength and high-wear-resistant stainless steel surfacing flux-cored welding wire, including a 430 ferritic stainless steel sheath with a chromium content of 18.0% and a flux core with a filling content of 40%. The composition and mass percentage of the flux core are: metal Chromium powder: 30%; nickel powder: 5%; niobium powder: 1%; vanadium powder: 1%; manganese powder: 9%; 2 rare earth compounds composed of 2%; quartz: 8%; magnesia: 5%; fluoride composed of sodium fluoride, sodium fluoroaluminate and calcium fluoride in a mass ratio of 1.5:1:1: 5%; additives: 7 %; rutile 8%; the balance is iron powder.
[0039] The multi-element alloy is composed of the following components in mass percentage: the content of magnesium is 50%, the content of aluminum is 35%, and the content of boron is 15%; the additive is composed of the following components in mass percentage: the content of graphene 30%, 20% silicon nitride, 25% each of tungsten carbide and chromium carbide...
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