42crmo4 hrc coil schedule 40 pipe
Our company is a specialized technical support and after-sales service organization - customer service center. At the same time, we have provided excellent technical 42crmo4 hrc coil personnel and strong technical support for our company, and cultivated an excellent after-sales team for our company. Our company will appoint a full-time service manager to be responsible for the unified coordination of technical support and 42crmo4 hrc coil after-sales service of the project.
Quenching Improve the hardness of 42crmo4 hrc coil steel, Annealing is refine the grain size, homogenization, reduce hardness, improve the plasticity and eliminate interna stress. Normalizing refine grain , improve the impact toughness of 42crmo4 hrc coil steel and comprehensive mechanical properties.
42crmo4 hrc coil, Q345B steel plate strength has much to do with its thickness. First, the min. yield strength of Q345B steel plate: 345 Mpa for thickness ≤16mm, 335 Mpa for thickness 16-40mm, 325 Mpa for thickness 40-63mm, 315 Mpa for thickness 63-80mm, 305 Mpa for thickness 80-100mm, 285 Mpa for thickness 100-150mm, 275 Mpa for thickness 150-200mm, 265 Mpa for thickness 200-250mm. Second, the tensile strength of Q345B steel plate: 470-630 Mpa for thickness ≤100mm, 450-600 Mpa for thickness 100-250mm.
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