30results about How to "Good deoxidizer" patented technology

The invention relates to a method for preparing a welding wire made of nickel base alloy. The welding wire comprises the following components by mass percent: 0.4-0.45% of C, 1.0-1.5% of Mn, 0.15-1.2% of Si, less than or equal to 0.025% of P, less than or equal to 0.02% of S, 28-30% of Cr, 49-51% of Ni, less than or equal to 0.1% of Co, less than or equal to 0.1% of Mo, less than or equal to 0.1% of Ti, less than or equal to 0.1% of Al, 4.0-5.0% of W and the balance of Fe. The method for preparing the welding wire comprises the steps of smelting the alloy, remelting electro-slag, carrying out hot forging and cogging down, carrying out hot rolling and annealing, carrying out acid pickling, polishing, carrying out cold drawing and removing hydrogen, wherein a CaF2, Al2O3 or CaO slag system is adopted in the step of remelting the electro-slag. The thinner welding wire can be prepared by the method for preparing the welding wire made of the nickel base alloy, the performances of the welding wire meet the requirements, and the welding wire is high in yield.

The invention relates to a method for preparing a nickel base alloy welding wire. Alloy of the nickel base alloy welding wire comprises, by mass, 0.4%-0.45% of C, 1.0%-1.5% of Mn, 0.15%-1.2% of Si, 0.025% or less of P, 0.02% or less of S, 28%-30% of Cr, 49%-51% of Ni, 0.1% or less of Co, 0.1% or less of Mo, 0.1% or less of Ti, 0.1% or less of Al, 4.0%- 5% of W and the balance being Fe. The method for preparing the nickel base alloy welding wire includes the steps of alloy smelting, electroslag remelting, hot forging and blooming, hot rolling and annealing, acid pickling and coping, cold drawing and hydrogen withdrawing. A CaF2 slag system, an Al2O3 slag system and a CaO slag system are adopted in electroslag remelting. Through the method for preparing the nickel base alloy welding wire, the thin welding wire with the performance meeting requirements can be prepared, and the yield is high.

The invention belongs to the field of welding materials, and particularly relates to a welding wire, in particular to a welding seam halogen-free ferrite stainless steel flux-cored wire and a preparation method thereof. The welding wire is composed of a welding core and a coating, the coating wraps the welding wire, and an adhesive is used for bonding the coating around the welding core; and the preparation method specifically comprises the following steps: (1) preparing the adhesive; (2) mixing and granulating; (3) mixing the coating; (4) preparing the welding core, and (5) painting the coating and the periphery of the welding wire and baking to obtain the welding wire. According to the welding seam halogen-free ferrite stainless steel flux-cored wire, the welding wire can form a compactprotective layer after stainless steel is clad, and the combination of oxygen and metal components in the alloy is prevented, so that the surface of a welding seam is still silver white, the oxidationresistance is excellent, and the surface of the welding seam does not need to be subjected to subsequent de-oxidation treatment; and the production process is simple, the cost is low, the efficiencyis high, and continuous and large-scale production can be realized.

The invention relates to a preparing method of a nickel base alloy welding wire. The components of the welding wire comprise, by weight, 0.4%-0.45% of calcium, 1.0%-1.5% of manganese, 0.15%-1.2% of silicon, equal to or less than 0.025% of phosphorus, equal to or less than 0.02% of sulfur, 28%-30% of chromium, 49%-51% of nickel, equal to or less than 0.1% of cobalt, equal to or less than 0.1% of molybdenum, equal to or less than 0.1% of titanium, equal to or less than 0.1% of aluminum, 4.0%-5.0% of wolfram, and the rest of iron. The preparing method is alloy smelting, electro-slag re-smelting, hot forging cogging, hot rolling annealing, acid pickling, coping, cold draw and hydrogen back, and the electro-slag re-smelting adopts a calcium fluoride, aluminum oxide and calcium oxide slag system. The preparing method of the nickel base alloy welding wire can produce the fine welding wire which can satisfy the requirement of the performance, and the yield is high.

The invention relates to a welding wire made of nickel base alloy. The welding wire comprises the following components by mass percent: 0.4-0.45% of C, 1.0-1.5% of Mn, 0.15-1.2% of Si, less than or equal to 0.025% of P, less than or equal to 0.02% of S, 28-30% of Cr, 49-51% of Ni, less than or equal to 0.1% of Co, less than or equal to 0.1% of Mo, less than or equal to 0.1% of Ti, less than or equal to 0.1% of Al, 4.0-5.0% of W and the balance of Fe. A method for preparing the welding wire comprises the steps of smelting the alloy, remelting electro-slag, carrying out hot forging and cogging down, carrying out hot rolling and annealing, carrying out acid pickling, polishing, carrying out cold drawing and removing hydrogen, wherein a CaF2, Al2O3 or CaO slag system is adopted in the step of remelting the electro-slag. The thinner welding wire can be prepared by the method for preparing the welding wire made of the nickel base alloy, the performances of the welding wire meet the requirements, and the welding wire is high in yield.

The invention relates to a nickel-based alloy welding wire, which comprises the following components in percentage by mass: 0.4% to 0.45% of C, 1.0% to 1.5% of Mn, 0.15% to 1.2% of Si, less than or equal to 0.025% of P, less than or equal to 0.02% of S, 28% to 30% of Cr, 49% to 51% of Ni, less than or equal to 0.1% of Co, less than or equal to 0.1% of Mo, less than or equal to 0.1% of Ti, less than or equal to 0.1% of Al, 4.0% to 5.0% of W, and the balance of iron. The preparation method comprises the following steps of alloy melting - electro slag remelting - hot forging cogging - hot-rolled annealing- pickling and grinding - cold drawing - hydrogen annealing, and the electro slag remelting uses CaF2, Al2O3 and CaO slag systems. A thinner welding wire which meets the performance requirement can be prepared by the method for preparing the nickel-based alloy welding wire, with a high yield.

Preparing silumin and Al-Si-Mn-Fe-Ti alloy with coal ash of high-alumina powder, relates to the technical sphere of non-ferro metals smelting. The steps of the invented process are: 1) deironing from coal ash of high-alumina powder, and breaking separately the bauxite chamotte and reducer boghead coal and oil coke; 2) batching and mixing them; 3) adding adhesive and water to the mixture, globularzing and drying; 4) sending the dried pellet to the stove and smelting in a high temperature to prepare primary alloy; 5) cleaning up of inclusion and gas in the primary alloy by refining and filtering it; 6) adding manganese to the refined alloy and deironing and filtering to prepare the Al-Si-Mn-Fe-Ti allay; 7) adding Al to the deironed and filtered alloy, diluting and casting ingot, to prepare silumin. The invention is characterized in that the investment is a little, the productive cycle is short, the energy consumption is low, and the quality of the alloy is nice.

The invention relates to a method for preparing a nickel base alloy welding wire. The nickel base alloy comprises, by weight, 0.4%-0.45% of C, 1.0%-1.5% of Mn, 0.15%-1.2% of Si, 0%-0.025% of P, 0%-0.02% of S, 28%-30% of Cr, 49%-51% of Ni, 0%-0.1% of Co, 0%-0.1% of Mo, 0%-0.1% of Ti, 0%-0.1% of Al and 4.0%-5.0% of W, and the balance iron. The preparing method comprises the step of alloy smelting, electroslag remelting, hot forging cogging, hot rolling annealing, acid pickling, coping, cold drawing and hydrogen retreating, and a CaF2, Al2O3 and CaO slag system is adopted in the electroslag remelting. According to the method for preparing the nickel base alloy welding wire, the thin welding wire with the performance meeting the requirement can be obtained, and the yield is high.

The invention discloses a copper alloy welding wire, which comprises: 8.0 to 10.0% Al; 10.0 to 12.0% Mn; 2.0 to 4.0% Fe; 0.2 to 0.5% Sn; 0.1 to 0.3% Zn; 0.01 to 0.03% P; 0.01 to 0.35% Cr; 0.03 to 0.06% Si; the balance is Cu and unavoidable impurities; the invention also discloses a forming method of copper alloy welding wire, combining material properties, introducing hot rolling and swaging, specifically including: ingredients, Casting, hot rolling, annealing, swaging, wire drawing, peeling, and sizing forming; the invention also discloses the application of the copper alloy welding wire; the copper alloy welding wire casting performance and processing performance of the invention are greatly improved, and with the efficient forming method, The disconnection rate in the production process is reduced, the yield is increased, and the production efficiency is significantly improved.

The invention relates to a nickel base alloy welding wire. The components of the nickel base alloy welding wire comprise, by weight, 0.4%-0.45% of calcium, 1.0%-1.5% of manganese, 0.15%-1.2% of silicon, equal to or less than 0.025% of phosphorus, equal to or less than 0.02% of sulfur, 28%-30% of chromium, 49%-51% of nickel, equal to or less than 0.1% of cobalt, equal to or less than 0.1% of molybdenum, equal to or less than 0.1% of titanium, equal to or less than 0.1% of aluminum, 4.0%-5.0% of wolfram, and the rest of iron. The preparing method is alloy smelting, electro-slag re-smelting, hot forging cogging, hot rolling annealing, acid pickling, coping, cold draw and hydrogen back, and the electro-slag re-smelting adopts a calcium fluoride, aluminum oxide and calcium oxide slag system. The preparing method of the nickel base alloy welding wire can produce the fine welding wire which can satisfy the requirement of the performance, and the yield is high.

The invention relates to a preparation method for nickel base alloy welding wire with a relatively high yield. The alloy comprises the following ingredients in parts by weight: 0.4-0.45% of C, 1.0-1.5% of Mn, 0.15-1.2% of Si, less than or equal to 0.025% of P, less than or equal to 0.02% of S, 28-30% of Cr, 49-51% of Ni, less than or equal to 0.1% of Co, less than or equal to 0.1% of Mo, less than or equal to 0.1% of Ti, less than or equal to 0.1% of Al, 4.0-5.0% of W and the balance of Fe. The preparation method comprises the following steps of alloy smelting, electroslag remelting, hot forging cogging, hot rolling annealing, pickling, coping, cold drawing and hydrogen annealing, wherein electroslag remelting adopts CaF2, Al2O3 and CaO slag systems. According to the preparation method for the nickel base alloy welding wire, which is disclosed by the invention, the thin welding wire of which the performance can satisfy the requirement can be prepared, and the yield is high.