What are the classifications of steel grade S355ML

As the thickness and hardness of steel grade S355ML increase, the tendency to crack at the cutting edge increases. In order to prevent the steel grade S355ML from cutting cracks, preheating should be carried out before steel grade S355ML cutting. Special attention should be paid to preheating to make the entire steel grade S355ML interface evenly heated to avoid local overheating in the area contacting the heat source. If the whole steel grade S355ML cannot be preheated, the partial preheating method can be used instead.

Grade S355J2 is an unalloyed welded structural steel with guaranteed impact work at a temperature of -20ºС. It is used in industrial and civil engineering, as well as in the construction of oil and gas platforms, other offshore structures, power transmission towers and other metal structures. Steel S355J2 is actively used to manufacture elements of heavy ground and underground equipment (bulldozers, excavators and dump trucks), railway wagons and agricultural machinery.

The company has created a group of professional staff with good market awareness and service spirit. More than 90% of the company's employees have college education and more than 3 years of work experience in the industry. Our company has a group of senior professionals engaged in international cargo transportation. Through the implementation of modern centralized control management of the steel grade S355ML whole system computer network, we can effectively control and guarantee the daily operation of the steel grade S355ML.

The advantages of steel grade S355ML, seamless steel pipe are high pressure resistance, good toughness, long pipe section and few joints. It is widely used and the rolling technology of domestic steel mills is also very mature. Compared with round steel, the weight of seamless steel pipe is lighter under the same strength. Seamless steel pipe manufacturing ring parts, can improve the utilization of materials, simplify the manufacturing process, save materials and processing time. Compared with the welded pipe, there is no weld on the outer surface of seamless steel pipe, and it has good compression resistance.