Welcome to Henan BBN Steel

  • zhengzhou
    henan ,China
  • Opening Time
    Mon - Sat: 08.00 to 18.00
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The company specializes in the research and development, production and sales of S355ML hollow section seamless pipes, longitudinally welded pipes, large-diameter welded pipes, API 5L welded pipes, spiral welded pipes, and large-diameter thick-walled straight seam steel pipes. The company has S355ML hollow section five production lines in three major production workshops: large-diameter longitudinally welded pipe production workshop,S355ML hollow section rolled steel pipe production workshop, and thermally expanded steel pipe production workshop, with an annual production capacity of more than 100,000 tons.

16MnD5 is a medium carbon quenched and tempered steel with good strength, toughness and hardenability. It can obtain better comprehensive mechanical properties after quenching and tempering. After quality, it has higher fatigue strength and resistance to multiple impacts. Low temperature impact toughness Good, no obvious temper brittleness. S355ML hollow section product is mainly used to make evaporators, voltage stabilizers, pressure vessels and heads, supporting members, etc. in nuclear power projects

Special boiler steel is derived from carbon structural steel. The chemical composition of boiler steel is basically the same as that of high-quality carbon structural steel of the same level, but the S355ML hollow section steel mechanical property requirements are more strict, especially for impact toughness. And the aging sensitivity is required to be small. The boiler steel should be deoxidized and the non-metallic inclusions should be removed during smelting. The structure should be uniform. The grain size should be controlled in 3-7 grades. The defects such as interlayer, shrinkage, porosity and porosity should be minimized.

Alloy steel means that alloy elements are specially added to improve the properties of steel. For example, nickel can improve the strength without reducing the toughness of steel; chromium can improve the hardness, corrosion resistance and wear resistance of high carbon steel. The properties of S355ML hollow section, alloy steel depend not only on chemical composition, but also on proper heat treatment to a greater extent.

BBNSteel boiler plate S355ML hollow section for sale: 14*1510*4000, 14*2520*6000, 15.5*2900*12050, 15*2120*5620, 15*1780*6000, 14.5*2670*5600, 14*1530*6700, 15.5*2900*8400, 15.5*2030*10300, 15*3000*7800, 15.5*1820*6000, 14*3050*4000, 16*3000*10000, 16*1300*6000, 15*3000*7830, 15.5*2500*7100, 15*1740*8870, 17*3000*4900, 16*2540*5100, 15.5*2560*6900, 16.5*2720*4500.

The company always adheres to the quality policy of "Quality First, Continuous Improvement, Customer Satisfaction" and the business philosophy of "Continuous Progress, Pursuing Excellence", as always, we look forward to cooperating with you to create a new situation for common development.Steel products S355ML hollow section price concessions, rich industry experience, complete varieties.

Our quality and service commitment: S355ML hollow section product quality problems, life-long replacement.In the process of using, any time if you find we supplied steel materials not conform to the requirements of technical standards, we can replace it for you free of charge. However, it should be noted that non product quality problems caused by improper use are not covered by the warranty. Please pay attention to the service time commitment as well as the product quality assurance commitment. Because only the products of big brands and reliable enterprises with complete after-sales service system can truly realize the long-term product quality assurance and the whole process of service.

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