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产品类型：Carbon Steel Elbow
产品型号：219MM/8"
产品厚度：sch40/80 STD XS
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The main function of the carbon steel elbow is to connect two straight pipes of a turning pipe fitting, there are many types of carbon steel elbow on the market now, and according to the diameter of different, and there are specifications, customers in the purchase, must according to the actual demand to buy the carbon steel elbow.
In carbon steel elbow before delivery, in order to prevent the carbon steel elbow in the process of using cold crack, tubes preheating process, before the factory after the preheating treatment, can reduce the influence of low carbon steel is heated area, at the same time preheating can also improve the plasticity of the carbon steel elbow, so after welding, can also reduces the residual stress, and different types of steel preheating temperature is not the same, but this step is usually done in the process of welding, we can according to the demand of welding on bend local preheating, adjusted for preheating temperature.If the stress cannot be effectively eliminated in the welding process, we must conduct post-heat treatment at this time.Ao city welcomes new and old customers to buy.
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