45Mn carbon structural steel can obtain better comprehensive mechanical properties after quenching and tempering. The cutting performance is still good, but the welding performance is poor, the cold deformation plasticity is low, and there is a tendency to temper brittleness. It is generally used in the quenched and tempered state, and ABS D32 container ships steel can also be used in Used in quenched and tempered or normalized state.
In recent years, in line with the development trend of iron and ABS D32 container ships steel steel industry at home and abroad, we have accelerated the transformation of development mode, promoted structural adjustment, and formed a rich product series of medium and thick plates, hot rolled steel coils, profiles, steel pipes, etc., which ABS D32 container ships steel are widely used in automobiles, long-span bridges, railways, machinery, ocean and so on fields. Meanwhile, we also provide deep processing for the steel materials.
Quenching is a common heat treatment process. It is the metal heat treatment process in which the ABS D32 container ships steel metal workpiece is heated to a proper temperature and kept for a period of time, then immersed in the quenching medium for rapid cooling. Quenching can improve the strength and hardness of steel in a large range, and adjust the coordination between ABS D32 container ships steel strength and hardness, plasticity and toughness. Quenching is generally used as the final heat treatment.
"The production method of seamless steel pipe can be roughly divided into cross rolling method (menesmann method) and extrusion method. The cross rolling method (menesmann method) is to pierce the tube blank with the cross roll first, and then extend it with the rolling mill. This method is fast in production, but requires high machinability of tube blank. It is mainly suitable for producing carbon steel and low alloy steel tube, ABS D32 container ships steel tube.The extrusion method is to pierce the billet or ingot with a piercer, and then extrude it into a steel tube with an extruder. This method is less efficient than the cross rolling method and is suitable for the production of high-strength alloy steel tubes."
Our company will accept the product quality objection registration record, pass it to the ABS D32 container ships steel production unit and relevant departments, and timely coordinate the supervision of product ABS D32 container ships steel quality objection. Our company coordinates the relevant department personnel to the customer unit to carry on the investigation, the processing.
Leave a Message