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factory Outlets for Double Pipe Condenser - Low Temperature Pipe (A333 A334 Gr.6 Gr.3) – Sinoworld

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Our target is to consolidate and improve the quality and service of existing products, meanwhile constantly develop new products to meet different customers' demands for Steel Mandrel Bends, Stainless Steel Pipe Reducer, Ductile Iron Concentric Reducer, We have been in operation for more than 10 years. We are dedicated to quality products and consumer support. We invite you to visit our company for a personalized tour and advanced business guidance.
factory Outlets for Double Pipe Condenser - 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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"Sincerity, Innovation, Rigorousness, and Efficiency" may be the persistent conception of our organization to the long-term to build together with shoppers for mutual reciprocity and mutual advantage for factory Outlets for Double Pipe Condenser - Low Temperature Pipe (A333 A334 Gr.6 Gr.3) – Sinoworld , The product will supply to all over the world, such as: Costa Rica, Lithuania, Bulgaria, Our company absorbs new ideas, strict quality control, a full range of service tracking, and adhere to make high-quality solutions. Our business aims to "honest and trustworthy, favorable price, customer first", so we won the trust of the majority of customers! If you are interested in our items and services, please do not hesitate to contact us!
  • The company's products can meet our diverse needs, and the price is cheap, the most important is that the quality is also very nice.
    5 Stars By Miguel from El Salvador - 2017.08.18 11:04
    We are long-term partners, there is no disappointment every time, we hope to maintain this friendship later!
    5 Stars By Joanne from Stuttgart - 2017.09.16 13:44
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