long radius 180°elbow-manufacture,factory,supplier from China

Sanitary elbow encyclopediaDepending on your requirements, sanitary elbow  can be austenitic or ferritic, and is defined by being seamless and easy to clean, suitable for pharmaceuticals, food and beverage, and drinking water applications.Introduction of sanitary elbow:Material: 304 material and 316L material are two common materials.Product categories: 90 degree long elbow, 90 degree short elbow, 45 degree short elbow, 45 degree long elbow, 180 degree elbow.Connection method: clamp (quick installation) type, butt welding (welding machine) type, thread (slip knot) type.Standard: 3A, DIN,

Laying points of stainless steel elbow in pipeline:1. In order to reduce the heat loss of the stainless steel elbow and prevent thermal deformation, the buried depth of the pipeline should be greater than 1.2 meters. (calculated from the top of the pipe). The burial depth in alpine regions should be appropriately deepened. At the same time, all pipes should be avoided to be laid below the water table.2. For areas where the groundwater level is high or it is difficult to dig deep for other reasons, measures should be taken as far as possible to avoid water insulators before burying the pipes.

Surface Treatment  Surface FinishDefination2BThose finished,after cold rolling,by heat treatment,picking or other equivalent treatment and lastly by cold rolling to givenappropriate lusterBAThose processed with bright heat treatment after cold rollingNo.1The surface finished by heat treatment and picking or processes corresponding there to after hot rollingNo.4Those finished by polishing with No.150 to No.180 abrasives specified in JIS R 6001HLThose finished polishing so as to give continuous polishing streaks by using abrasive of suitable grain size8KA mirror-like reflective surface

The appearance of the stamping elbow is fixed. Of course, the appearance of the general stamping elbow is based on the different knowledge of the steel pipe. Therefore, in order to ensure the appearance of the stamping elbow, usually after the steel pipe comes in , If it has not been washed by the rain in the yard, then the stamping elbow is pushed by high temperature, and the appearance of the stamping elbow is generally blue. Of course, if it is washed by the rain, we are heating it through high temperature. , the surface color of the heated stamping elbow is red.

Precautions when installing stainless steel elbows:  1. When installing, the stainless steel elbow can be directly installed on the pipeline according to the connection method, and installed according to the position of use. Under normal circumstances, it can be installed in any position of the pipeline, but it needs to be sealed to prevent leakage and affect the normal operation of the pipeline.2. When the stainless steel elbow ball valve, globe valve and gate valve are used, they are only fully open or fully closed, and should not be used to adjust the flow to avoid sealing.3.

Advantages of thin-walled 90-degree elbows: excellent wear resistance and continuous use.90° elbows are suitable for piping systems in petroleum, natural gas, chemical, hydropower, construction and boiler industries.The straight seam elbow with any large diameter and relatively thin wall thickness can be obtained by the casting process. The manufacturing cycle can be shortened and the production cost can be greatly reduced. Because it does not require any special equipment, it is especially suitable for on-site processing of large straight seam elbows.

The  maximum not unusualplace chrome steel grades are 304 and 316. The key distinction is the addition of molybdenum, an alloy which substantially complements corrosion resistance, mainly for greater saline or chloride-uncovered environments.316 chrome steel consists of molybdenum. 304 chrome steel does not.For out of doors fixtures like rails and bollards, chrome steel is a really perfect corrosion-resistant material, however it'll most effective resist long-time period publicity if the grade is suitable for its environment.

430 stainless steel sheet #4 finish is the brushed finish commonly seen on kitchen appliances and backsplashes. 430 Stainless Steel Sheet #4 finish has a PVC film on one side to help protect against scratching during fabrication and installation. Our 430 stainless steel sheet metal meets the criteria for both the #3 and #4 finish.If the 430 stainless steel sheet #4 finish is under 48" long, the customer has a choice on which way the grain of the brushed finish runs (for a 10% extra cost).

It has good anti-fatigue, anti-radiation, anti-oxidation and corrosion resistance properties. Nickel-based corrosion-resistant alloys mostly have austenite structure. In the state of solid solution and aging treatment, there are also intermetallic phases and metal carbonitrides on the austenite matrix and grain boundaries of the alloy.With good processing performance, welding performance and long-term microstructure stability, it can manufacture various parts with complex shapes. It has been widely used in the above temperature range in aerospace, nuclear energy, and petroleum industries.

Common stainless steelsThe  maximum not unusualplace stainless-steel grades are 304 and 316. The key distinction is the addition of molybdenum, an alloy which appreciably complements corrosion resistance, specially for extra saline or chloride-uncovered environments.316 stainless-steel carries molybdenum. 304 stainless-steel does not.For out of doors fixtures like rails and bollards, stainless-steel is a great corrosion-resistant material, however it's going to simplest face up to long-time period publicity if the grade is suitable for its environment.