Q390B steel material carbon steel heavy plate

Q345 is a grade of carbon structural steel. Q is the meaning of yield strength, which Q390B steel material is taken from the initial of Chinese Pinyin of "Qu"; 345 is the value of yield point, in MPa. Q345 refers to carbon structural steel with yield point (σ s) of 345mpa. The following letters indicate the quality level, including A, B, C, D and E. Q345 steel has good comprehensive mechanical properties, low temperature performance, good plasticity and weldability. Q345 steel is usually in hot rolling or normalizing state.

Grade Q420 steel has high strength, especially in the normalizing or normalizing and tempering state. Q390B steel material, Q420 steel has high comprehensive mechanical properties. Q420 steel is mainly used for large ships, bridges, power station equipment, medium and high pressure boilers, high pressure vessels, rolling stock, hoisting machinery, mining machinery and other large welded structural parts. Grade Q460 steel, with high strength, has high comprehensive mechanical properties in normalizing, normalizing and tempering or quenching and tempering states. The quality grades are C, D, E. Q460 steel is used in various large engineering structures and light structures requiring high strength and heavy load.

Laser cutting, it is a specific way of cutting Q390B steel material steel plate cutting processing, is also one of the common way of cutting its on the cutting or machining parameters, if you want to get the right number, is that you can adjust these parameters to achieve a goal, adjust a few times more to get accurate numerical right in addition, we also need to know is, the faster the cutting Q390B steel material speed, the light intensity is smaller, so, the smaller the laser penetration is, in turn, can control the penetration depth of laser.

The high strength Q390B steel material low alloy steel, which is shorten as HSLA steel, is one of our main products. We have professional team to serve you. For any demands or questions about HSLA steel, for example, ASTM A572 grade 50 chemical composition, difference between S355JR and S355J2, mechanical properties of Q390B steel material ST52 steel, Q345B tensile strength, Q345D steel ASTM equivalent, HSLA steel price etc. , please do not hesitate to contact us and consult.

Our company will accept the product quality objection registration record, pass it to the Q390B steel material production unit and relevant departments, and timely coordinate the supervision of product Q390B steel material quality objection. Our company coordinates the relevant department personnel to the customer unit to carry on the investigation, the processing.