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Special Design for Handheld Beveling Tool - Low Temperature Pipe (A333 A334 Gr.6 Gr.3) – Sinoworld

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The company upholds the philosophy of "Be No.1 in quality, be rooted on credit and trustworthiness for growth", will continue to serve old and new customers from home and overseas whole-heatedly for Carbon Steel Pipe Flanges, Steel Flange Adaptor, Stainless Steel Header Tubing, Looking to the future, a long way to go, constantly striving to become the all staff with full enthusiasm, one hundred times the confidence and put our company built a beautiful environment, advanced products, quality first-class modern enterprise and work hard!
Special Design for Handheld Beveling Tool - Low Temperature Pipe (A333 A334 Gr.6 Gr.3) – Sinoworld Detail:

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Low temperature carbon steel pipe quenching temperature in A3 + (30 ~ 50) ℃, in practice, is usually set to the upper limit. High quenching temperature heat pipe can make low speed, surface oxidation reduction, and can improve work efficiency. The workpiece is uniform austenite, will require sufficient holding time. If the actual installed furnace capacity, would need to be appropriate to extend the holding time. Otherwise, there may be insufficient hardness due to uneven heating caused by the phenomenon. However, the holding time is too long, will also appear coarse grains, oxidation and decarbonization serious ills affecting quenching quality. We believe that if installed furnace is greater than the process documents, heating holding time to be extended 1/5.

Low temperature carbon steel pipe because of low hardenability, it should adopt a large cooling rate of 10% salt solution. Workpiece into the water, should hardenability, but not chilled, if 45 # precision steel chilled in brine, it is possible cracking of the workpiece, this is because when the workpiece is cooled to about 180 ℃, the austenite rapidly converted to horse s body tissue caused by excessive stress due. Therefore, when the quenching and tempering steel quickly cooled to this temperature range, the approach should be taken to slow cooling.

As the water temperature is difficult to grasp, accountable experience in operation, when the water stops dithering artifacts, you can water cooled (eg oil cooler can be better). In addition, the workpiece into the water, appropriate action should still be in accordance with the geometry of the workpiece, as regular exercise. Stationary cooling medium plus stationary workpiece, resulting in uneven hardness, stress uneven leaving large deformation of the workpiece, and even cracking.


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Our pursuit and corporation aim should be to "Always satisfy our consumer requirements". We carry on to build and style and design remarkable quality items for both our outdated and new clients and reach a win-win prospect for our clients at the same time as us for Special Design for Handheld Beveling Tool - Low Temperature Pipe (A333 A334 Gr.6 Gr.3) – Sinoworld , The product will supply to all over the world, such as: Florida, Argentina, Angola, Now we have a dedicated and aggressive sales team, and many branches, catering to our main customers. We have been looking for long-term business partnerships, and ensure our suppliers that they will undoubtedly benefit in both short and long run.
  • As an international trading company, we have numerous partners, but about your company, I just want to say, you are really good, wide range, good quality, reasonable prices, warm and thoughtful service, advanced technology and equipment and workers have professional training, feedback and product update is timely, in short, this is a very pleasant cooperation, and we look forward to the next cooperation!
    5 Stars By Audrey from Swedish - 2017.09.22 11:32
    Timely delivery, strict implementation of the contract provisions of the goods, encountered special circumstances, but also actively cooperate, a trustworthy company!
    5 Stars By Victoria from Detroit - 2018.09.23 18:44
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