The company has a solid economic foundation, a strong network of relationships, complete technology and staffing. With my country’s entry into the WTO, the import and export trade is increasing day by day. In order to further meet the needs of sa 283 grade d low-alloy high-strength steel traders and importers and exporters, our company carefully builds for merchants One-stop service from door to door. We have a complete import and export service system in Mainland China, and sa 283 grade d low-alloy high-strength steel have established close cooperative relations with many shipping companies and airlines.
Ningbo port has trade and transportation with more than 50 countries and regions, such as the United States, CIS countries, Europe, Africa, Japan and South Korea, Southeast Asia, the Middle East and Hong Kong. Ningbo port has initially formed an all-round three-dimensional collection and distribution network of expressways, railways, aviation, river sea intermodal transport, water to water transfer, etc.
Quenching is a common heat treatment process. It is the metal heat treatment process in which the sa 283 grade d low-alloy high-strength 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 sa 283 grade d low-alloy high-strength steel strength and hardness, plasticity and toughness. Quenching is generally used as the final heat treatment.
Good news: The largest steel importer in Nigeria ordered 4068 tons API 5L X52Q PSL2 3LPE seamless pipes and also ordered 8 pcs 42699.6 m³big diameter Crude oil storage doom roof tank in A537CL2 steel grade. In Sep 2019, This Nigeria client visited our company and factory, they were very satisfied with our company's quality control,production capacity and service. We also have reached a agreement for Phase II Project, It is also with another 10,000 tons APl 5L X52Q PSL2 3LPE seamless pipes.
Q355B steel and sa 283 grade d low-alloy high-strength steel steelBoth Q345B and Q355B are low alloy steels. The difference is that the yield strength of Q345B low alloy steel and Q345B low alloy steel is different. In Q345B low-alloy steel, q represents the yield strength of this material, and the latter 345 represents the yield value of this material is around 345mpa. Q in Q355B low-alloy steel also represents the yield strength of this material, and the latter 355 indicates that the yield value of this material is around 355mpa.
Strengthen system construction. The system itself has a certain binding force, which specifies the rights and obligations of employees. It is a passive management means for employees. Its purpose is to promote each employee to develop good professional habits, form good behavior norms, and promote the improvement of enterprise management level.