JIS SM490B plates flat bar

Material common grades: Q235B,Q345B, AB EH32, AB DH36, AB EH36, JIS SM490B plates, CCS-A, CCS-B,CCSA, CCSB, CCS,CCSD, CCSE. Carbon structural steel plates and sheets are mainly used in the manufacturing of mechanical parts with complex shapes and high requirements for mechanical properties, but it is difficult to shape them by forging and pressing in the process, such as the gearbox shell of the automobile, the coupler and coupling of the locomotive and vehicle.

40Cr steel plate is one of the most widely used steel in machinery manufacturing. After tempering, it has good comprehensive mechanical properties, good low temperature impact toughness and low notch sensitivity. The hardenability of steel JIS SM490B plates is good. It can be hardened to Ф28 ～ 60mm during water quenching and Ф15～40mm during oil quenching. When the hardness is HB174～229, the relative cutting workability is 60%. The steel is suitable for making medium-sized plastic molds.

As the thickness and hardness of JIS SM490B plates increase, the tendency to crack at the cutting edge increases. In order to prevent the JIS SM490B plates from cutting cracks, preheating should be carried out before JIS SM490B plates cutting. Special attention should be paid to preheating to make the entire JIS SM490B plates interface evenly heated to avoid local overheating in the area contacting the heat source. If the whole JIS SM490B plates cannot be preheated, the partial preheating method can be used instead.

It is a modern high-tech professional enterprise integrating scientific research, JIS SM490B plates production and sales. The company is mainly engaged in the manufacture, installation and commissioning of boiler and pressure vessel, chemical, metallurgical, petroleum and other equipment, as well as JIS SM490B plates process technology development, technology transfer and related technical consulting and technical services.

Customer first, reputation first, high-quality and perfect after-sales service is the extension of our product value and an important guarantee for the interests of customers. The purpose of our JIS SM490B plates service quality management system is to establish and constantly improve a scientific, reasonable and efficient service quality management system, and complete the after-sales service quality guarantee work of customers fairly, accurately and timely, For our company's JIS SM490B plates customer service to establish a good, comprehensive, full service system.