DIN 17155 HI pressure vessel steel sheet welding standards

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BBN provides a wide range of seamless and welded pipes for oil and gas transportation. Welded pipes include ERW line pipe, SSAW line pipe and DIN 17155 HI pressure vessel steel sheet LSAW line pipe. Main application areas: onshore pipelines and offshore pipelines. The grades of steel pipes include PLS1 and PLS2.

The main metal material DIN 17155 HI pressure vessel steel sheet used to make the boiler is steel. The main boiler body is composed of the parts which bear static load under normal temperature and the parts which bear high pressure and high temperature. The former part can be made of general structural steel, while the latter part must be made of steel with special properties, i.e. boiler steel. Boiler steel is required to have good high temperature resistance, stable structure, machining performance, etc. properties.

Processing performance of quenched and tempered steel: DIN 17155 HI pressure vessel steel sheet plate can be used for cold working, bending and cutting. When the gas is cut off, cracks will not occur even without preheating. When preheating processing, quenched and tempered steel needs to be processed below the tempering temperature. Superb wear and corrosion resistance: Because it contains alloy elements such as copper and chromium, it has good corrosion resistance, higher hardness, and good wear resistance compared with ordinary steel.

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