S355NL structural steel vs a573 gr.65 steel top manufacturer in Switzerland

15Mo3 steel manufacturing method: adopt oxygen top blown converter method, 182 open hearth method or 3666 to smelt in 3769 electric furnace. After negotiation with the customer, other equivalent methods can also be adopted.15Mo3 steel is used for heating surface pipes, economizers, superheaters, reheaters, etc. of high-pressure boilers (working pressure is generally above 9.8MPa, working temperature is between 450 ℃ ~ 650 ℃).

The outer diameter of the hot-rolled seamless pipe is generally larger than 32mm, and the wall thickness is 2.5-75mm. The diameter of the cold-rolled seamless pipe can be 6mm, the wall thickness can be 0.25mm, the outer diameter of the thin-walled pipe can be 5mm, and the wall thickness is less than 0.25mm. The size accuracy of the cold-rolled seamless pipe is higher than that of the hot-rolled seamless pipe, .

Our company will accept the product quality objection registration record, pass it to the S355NL structural steel vs a573 gr.65 steel production unit and relevant departments, and timely coordinate the supervision of product quality objection. Our company coordinates the relevant department personnel to the customer unit to carry on the investigation, the processing.

ArcelorMittal said it was taking measures to cut its North American steel production in response to the weakening demand for downstream steel after the outbreak of covid-19, foreign media reported. It is reported that ArcelorMittal's plant in the port of Indiana is ready to shut down the No. 4 blast furnace.