wholesale S690QL1 specification carbon steel

ASTM A537 are primarily intended for fusion welded pressure vessels and structures. Steel plates under this S690QL1 specification specification are available in three classes classified according to the different heat treatment: Class 1 (normalized), Class 2 (quenched and tempered) and Class 3 (quenched and tempered). The maximum thickness of plates furnished under this specification is 4 in. [100mm] for Class 1 and 6 in. [150mm] for Class 2 and Class 3.

Q345R steel plate is a special pressure vessel steel with a yield strength of 340 Mpa. S690QL1 specification, Q345R pressure vessel steel has good comprehensive mechanical and technological properties. The content of phosphorus and sulfur of Q345R pressure vessel steel is slightly lower than that of Q345 (16Mn) steel, and the tensile strength and elongation requirements of Q345R pressure vessel steel are higher than those of Q345 (16Mn) steel, and the impact toughness of Q345R pressure vessel steel is also required. Q345R pressure vessel steel is the most widely used Chinese pressure vessel steel.

Flame cutting is a common hot cutting method in modern iron and steel industry. It is also a very important part in the process of iron and S690QL1 specification steel processing. Flame cutting can cut very thick carbon steel, its cutting range is very wide, can cut 6mm-200mm thick steel plate. In cutting thick and S690QL1 specification medium plates, flame cutting plays an important role. And with its price advantage, flame cutting has always occupied a certain market share in thin plate cutting also.

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