Sell high quality A573 Gr 70 steel and A516 Gr 70 carbon plate

The development A573 Gr 70 steel and A516 Gr 70 carbon plate of the company comes from the resource advantage, service advantage, logistics advantage and brand advantage established over the years, and it is also inseparable from the full support of new and old customers. We will uphold the support of all sectors of society, actively provide users with A573 Gr 70 steel and A516 Gr 70 carbon plate high-quality and efficient services, work together for win-win, and create a better tomorrow!

20G steel is a common carbon steel used to manufacture boilers. The performance of 20G steel is basically the same as that of 20# steel. The requirements for impact toughness, strain aging impact value and cold bending of 20G steel are increased. The yield ratio of 20G steel is slightly higher, and certain fatigue and corrosion resistance are required for A573 Gr 70 steel and A516 Gr 70 carbon plate steel to ensure the safe operation of boilers. 20G steel is suitable for manufacturing marine boilers, steam boilers and other boiler accessories with pressure less than 6Mpa and wall temperature less than 450 ℃.

Difference between Q235A steel and Q235B steel plates: in the national standard GB700, the difference between A573 Gr 70 steel and A516 Gr 70 carbon plate, Q235A steel and Q235B steel plates is mainly in the carbon content. In addition, Q235A steel plate does not do impact test, while Q235B Q235B steel plates need normal temperature impact test, V-notch. Relatively speaking, the mechanical properties of Q235B steel plates are better than that of Q235A steel plate.

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