Welcome to Henan BBN Steel

  • zhengzhou
    henan ,China
  • Opening Time
    Mon - Sat: 08.00 to 18.00
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Every after-sales service shall have a detailed record of the customer's product problems and handling methods. The records shall be sorted into volumes and filed on a monthly basis, and submitted to the technical department for filing. The problems found in the after-sales service shall be summarized in a timely manner, discussed with the technical department, the quality inspection department and the production department, and a proper solution shall be proposed for the technical department to improve in a timely manner;

The wear-resistant plate has the main advantages of high strength and hardness, good toughness, S420ML plate high tensile strength, good material wear-resistance, long service life and low cost. In order to verify the wear-resistant life of the high wear-resistant composite steel plate applied in the field, the comparative industrial test of S420ML plate wear-resistant with the ordinary carbon plate was carried out on the reclaimer of Jigang raw material plant, and the effect is good.

As to the Chemical composition, the different content is a main on carbon content, while the carbon content of S420ML plate, A283Gr. D is no more than 0.27% and it is higher than Grade C (≤0.24%) ; as to the mechanical property, the differences are tensile strength and yield strength, while the tensile strength of ASTM A283 Gr.D is 415-550MPa (60-80 ksi) and yield strength of ASTM A283 Grade D is 230MPa (33 ksi).

Company tenet: first class quality and service to create corporate brand.Business philosophy: people-oriented, innovation, continuous improvement, the pursuit of excellence. Quality policy: carry forward the quality spirit, build a perfect quality management system, and put the quality strategy into every detail of the company's daily work.Environmental policy: waste reduction and pollution prevention, continuous improvement, and environmental protection.

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