Surface quality of hot rolled RINA DH40 marine plate

Both the cross rolling method and the extrusion method must first heat the tube blank or ingot, and the steel tube produced is called hot rolling tube. Steel pipes produced by hot working can sometimes be cold worked as required. There are two methods of cold working: one is cold drawing, that is, drawing the hot rolled RINA DH40 marine plate steel pipe through the drawing die to make the steel pipe gradually thin and elongate; the other is cold rolling, which is the method of applying the hot rolling mill invented by the menesmann brothers to cold working. The cold working of hot rolled RINA DH40 marine plate seamless steel pipe can improve the size accuracy and finish of steel pipe, and improve the mechanical properties of materials.

The boiler steel plate has small strain aging sensitivity, especially in the corresponding working temperature range, a certain value of aging impact energy must be guaranteed;The boiler steel plate has low notch sensitivity, which can prevent steel from cracking in welding, opening, and local stress concentration areas;The hot rolled RINA DH40 marine plate, boiler steel plate has good welding performance;The hot rolled RINA DH40 marine plate, boiler steel plate has a good microstructure, white spots and cracks are not allowed.

our company is a professional hot rolled RINA DH40 marine plate API 5CT N80 casing pipe steel exporter and a steel Stockist in china. We keep more than 1000 tons API 5CT N80 casing pipe steel in stock every month. If you want to get the API 5CT N80 casing pipe steel price, please do not hesitate to contact us. Any need in API 5CT N80 casing pipe hot rolled RINA DH40 marine plate Chemical Composition and Mechanical Properties, please feel free to contact us by email or calling to us.

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