welding hardox 450 steel top 7 manufacturers in China

Welding Hardox 450 steel,In 2019, through the concerted cooperation of the enterprise team, the sales volume has grown steadily, and the annual sales volume has exceeded 300 million yuan. For this reason, both the investors and employees of the enterprise have received satisfactory returns. With strong development potential and brand advantages, we have always been committed to "integrity, efficiency, pragmatism, dedication" corporate spirit, dedication to society, and return to the public. From this perspective, the enterprise will have a bright future. In a good environment with strong hardware facilities and excellent management personnel, we can make sure that the company will develop stronger and bigger.Heat treatment specification and microstructure of , 12Cr1MoV alloy plate:Heat treatment specification: quenching 970 ℃, air cooling; tempering 750 ℃, air cooling. Microstructure: bainite + ferrite.Mechanical properties of 12Cr1MoV alloy plate:Tensile strength σb (MPa)：≥490(50); Yield strength σs (MPa)：≥245(25); Elongation δ5 (％)：≥22; area shrinkage ψ (%): ≥ 50; Impact energy Akv (J): ≥ 71; Impact toughness value αkv (J/cm2)：≥88(9).Composition characteristics of Q420 alloy steel plate: 1.Low carbon: Due to the high requirements for toughness, weldability and cold forming performance, its carbon content does not exceed 0.20%. 2. Add manganese-based alloy elements. 3. Add auxiliary elements such as niobium, titanium or vanadium, which is beneficial to obtain fine ferrite grains and improve the strength and toughness of the Q420 alloy steel, ,welding Hardox 450 steel.Welding Hardox 450 steel,Our pipeline steel has once again helped the construction of the China-Russia East Line Natural Gas Pipeline. During 2017 - 2018, the company successively supplied more than 10,000 tons of high-grade pipeline steel materials for the northern section of the Sino-Russian Eastern Gas Pipeline project, helping the northern section of the project to be successfully completed. Now we reload the task and will provide API 5L X80 high-grade pipeline steel for the middle section of the China-Russia Eastern Gas Pipeline project.The company has a perfect after-sales service system and quality assurance system The company adheres to the service principle of "all for users", and has established a professional after-sales service team In the future service process, the after-sales service adopts regular return visit for customers Timely understand the customer's satisfaction with our products, and solve the user's problems at any time,welding Hardox 450 steel.Welding Hardox 450 steel,In February, the European steel price index was 161.2 points, up 1.3 points on a month on month basis, up 0.8%; the euro zone manufacturing PMI was 49.2%, up 1.3 percentage points on a month on month basis. The manufacturing PMI of Germany, Italy, France and Spain were 48%, 48.7%, 49.8% and 50.4% respectively. This month, among the main steel products such as welding Hardox 450 steel in the German market, the price of wire rod decreased slightly, the price of section steel remained stable, and other products continued to rise.