usage of hardox 400 steel black surface

Standing at a new historical starting point, we adapt to the requirements of supply side structural reform, adhere to the overall strategy of "innovation driven, quality leading, usage of HARDOX 400 steel quality improving and efficiency increasing, transformation and development", and constantly improve the development concept and development level with a forward-looking vision and grand vision. Now we have been ranked the usage of HARDOX 400 steel International leading steel materials supplier.

16Mo3 steel plate is used for pressure vessel, and it is EN10028-2 designated chromium molybdenum steel alloy that is used for increasing working temperature. 16Mo3 steel plate is used to make industrial boilers and pressure vessels for the petroleum, natural gas and chemical industries. 16Mo3 steel plate is different from other raw materials in welding: usage of HARDOX 400 steel preheating shall be carried out first, and the weld joint shall be kept for about 30 minutes after the completion of welding.

Q345R steel plate is a special pressure vessel steel with a yield strength of 340 Mpa. usage of HARDOX 400 steel, Q345R pressure vessel steel has good comprehensive mechanical and technological properties. The content of phosphorus and sulfur of Q345R pressure vessel steel is slightly lower than that of Q345 (16Mn) steel, and the tensile strength and elongation requirements of Q345R pressure vessel steel are higher than those of Q345 (16Mn) steel, and the impact toughness of Q345R pressure vessel steel is also required. Q345R pressure vessel steel is the most widely used Chinese pressure vessel steel.

Normalizing is a special case of annealing, the effect is similar to annealing, but the microstructure obtained by normalizing is finer. For low or medium carbon steel, normalizing can improve hardness and machinability. For usage of HARDOX 400 steel medium carbon steel and low alloy steel, normalizing can refine grain and uniform structure and reduce hardness. For high carbon steel and high alloy steel, normalizing can eliminate the network carbide produced by forging and improve the homogeneity of the preparation heat treatment structure.

15Mo3 steel plate is used for boiler and high temperature pressure vessel.15Mo3 steel plate executive standard: DIN17155Delivery status of usage of HARDOX 400 steel, 15Mo3 steel plate: normalizingNormalizing temperature of 15Mo3 steel plate: 650 ~ 700 ℃Normalizing time of 15Mo3 steel plate: 1.5t-2.5t15Mo3 welding repair: welding repair can only be carried out after the approval of the purchaser.Requirements for tensile properties of 15Mo3 steel plate: tensile strength 450-600 MPa, yield strength 270 MPa.

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