Laser-cladding coating preparation process of corrosion-resistant, sulfur-resistant and wear-resistant tubing coupling
A technology of laser cladding and preparation process, which is applied in the direction of metal material coating process and coating, which can solve the problems of corrosion problems that cannot be solved well, the bonding force of the coating layer is not strong, and the success rate of prevention and treatment is not high, so as to save replacement Debugging time and maintenance time, convenient daily maintenance, and high promotional value
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Embodiment 1
[0032] A process for preparing an anti-corrosion, anti-sulfur and wear-resistant oil pipe coupling laser cladding coating, comprising the following process steps:
[0033] (1) Machining the coupling, and processing the tubing coupling according to the thread depth + 0.5mm;
[0034] (2) Use cleaning agent to degrease and derust the oil pipe coupling at room temperature, and clean it with alcohol; use coloring flaw detection method to inspect the processed parts, and require the processed parts to be free of cracks, pores and inclusion defects;
[0035] (3) Use nickel-based alloy powders with high strength, corrosion resistance and good metallurgical compatibility with the matrix. The components of the nickel-based alloy powders in terms of weight percentage are: C: 0.02%, Cr: 20%, Fe: 1.2 %, Mo: 8%, Si: 0.2%, Nb: 3.6%, and the balance is Ni;
[0036] (4) Use 5000W cross-flow CO 2 Laser, the working platform is SIMENS CNC laser processing machine; the nickel-based alloy powder...
Embodiment 2
[0045] A process for preparing an anti-corrosion, anti-sulfur and wear-resistant oil pipe coupling laser cladding coating, comprising the following process steps:
[0046] (1) Machining the coupling, and processing the tubing coupling according to the thread depth + 1mm;
[0047] (2) Use cleaning agent to degrease and derust the oil pipe coupling at room temperature, and clean it with alcohol; use coloring flaw detection method to inspect the processed parts, and require the processed parts to be free of cracks, pores and inclusion defects;
[0048] (3) Use nickel-based alloy powders with high strength, corrosion resistance and good metallurgical compatibility with the matrix. The components of the nickel-based alloy powders in terms of weight percentage are: C: 0.03%, Cr: 21.5%, Fe: 1.4 %, Mo: 9%, Si: 0.4%, Nb: 3.8%, and the balance is Ni;
[0049] (4) Use 5000W cross-flow CO 2 Laser, the working platform is SIMENS CNC laser processing machine; the nickel-based alloy powder...
Embodiment 3
[0058] A process for preparing an anti-corrosion, anti-sulfur and wear-resistant oil pipe coupling laser cladding coating, comprising the following process steps:
[0059] (1) Machining the coupling, and processing the tubing coupling according to the thread depth +0.5-1.5mm;
[0060] (2) Use cleaning agent to degrease and derust the oil pipe coupling at room temperature, and clean it with alcohol; use coloring flaw detection method to inspect the processed parts, and require the processed parts to be free of cracks, pores and inclusion defects;
[0061] (3) Use nickel-based alloy powders with high strength, corrosion resistance and good metallurgical compatibility with the matrix. The components of the nickel-based alloy powders in terms of weight percentage are: C: 0.04%, Cr: 23%, Fe: 1.6 %, Mo: 10%, Si: 0.4%, Nb: 4.0%, and the balance is Ni;
[0062] (4) Use 5000W cross-flow CO 2 Laser, the working platform is SIMENS CNC laser processing machine; the nickel-based alloy powd...
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