Corrosion-resistant high-strength support/hanger assembly and manufacturing technology thereof
A manufacturing process and high-strength technology, applied in the direction of pipe supports, pipes/pipe joints/fittings, mechanical equipment, etc., can solve the problems that affect the normal and practical use of pipelines, easy loosening and displacement of pipe clamps, corrosion and aging of pipe clamps, etc., and it is not easy to achieve Effects of partial cracking, low work hardening, and no surface cracks
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Embodiment 1
[0029] This embodiment provides a corrosion-resistant high-strength support and hanger assembly, which has a structure such as figure 1 As shown, it includes a pipe clamp 4 and a connecting portion 5 arranged at the lower end of the pipe clamp 4. The pipe clamp 4 includes two clamps with the same shape and symmetrically arranged. The clamps include a connecting end, a circular arc section, and a clamping section. , The connecting ends of the two clamps are rotatably connected together, the arc sections of the two clamps are arranged opposite to each other, the clamping sections of the two clamps are respectively provided with fastening holes, and the positions of the two fastening holes are corresponding ;
[0030] A fixing bracket 2 is provided on the outer side of the two clamping sections. The fixing bracket 2 includes a fixing part and a clamping part. The fixing part is a pull ring with an opening on one side. The upper end of the pull ring is provided with a fixing hole. Th...
Embodiment 2
[0034] This embodiment provides a manufacturing process of a corrosion-resistant high-strength support and hanger assembly. The specific processing process of the pipe clamp 4 is as follows:
[0035] Step 1: Select the composition and mass percentage of the steel sheet blank:
[0036] C: 0.03%, B: 0.045%, Mn: 0.32%, Si: 0.101%, P: 0.001%, S: 0.001%, Nb: 0.05%, V: 0.022%, W: 0.015%, Ti: 0.28%, Al: 0.54%, Cu: 0.084%, Ni: 0.71%, Cr: 4.13%, Mo: 0.21%, lanthanum: 0.015%, cerium: 0.007%, neodymium: 0.001%, the balance is Fe and unavoidable impurities;
[0037] Step 2: Rolling:
[0038] The rough rolling temperature is 1270°C, the finishing temperature is 960°C, and the final rolling temperature is 830°C. After hot rolling, oil cooling is used first, and the steel plate is cooled to 580°C at a cooling rate of 10°C / s, and then air-cooled. Cool the steel plate to 330℃ with a cooling rate of 6℃ / s, and finally use water cooling to cool the steel plate to room temperature at a cooling rate of 3℃...
Embodiment 3
[0045] This embodiment provides a manufacturing process of a corrosion-resistant high-strength support and hanger assembly. The specific processing process of the pipe clamp 4 is as follows:
[0046] Step 1: Select the composition and mass percentage of the steel sheet blank:
[0047] C: 0.05%, B: 0.047%, Mn: 0.34%, Si: 0.103%, P: 0.002%, S: 0.003%, Nb: 0.07%, V: 0.026%, W: 0.019%, Ti: 0.31%, Al: 0.58%, Cu: 0.086%, Ni: 0.75%, Cr: 4.15%, Mo: 0.23%, lanthanum: 0.017%, cerium: 0.009%, neodymium: 0.003%, the balance is Fe and unavoidable impurities;
[0048] Step 2: Rolling:
[0049] The rough rolling temperature is 1290°C, the finishing temperature is 980°C, and the final rolling temperature is 850°C. After hot rolling, oil cooling is used first, and the steel plate is cooled to 620°C at a cooling rate of 12°C / s, and then air-cooled. Cool the steel plate to 350℃ with a cooling rate of 8℃ / s, and finally use water cooling to cool the steel plate to room temperature at a cooling rate of 6℃...
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