Welcome to Henan BBN Steel

  • zhengzhou
    henan ,China
  • Opening Time
    Mon - Sat: 08.00 to 18.00
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Our company was founded in 2000, which initially committed to providing high-quality steel EN10025-4 steel S420ML products for China's rapid infrastructure construction. With the advantages of steel resources and good reputation in the domestic market, combined with the huge demand for steel in the international market, we began to export EN10025-4 steel S420ML steel to the international market, opening up the international steel market.

Try to use EN10025-4 steel S420ML high-quality alkaline covered electrode as much as possible, and don't use inferior electrode to save money. According to the theory of chromium poor, chromium carbide will be precipitated on the upper edge of the grain boundary of the weld and heat affected zone when the EN10025-4 steel S420ML temperature range is between 450 ℃ and 850 ℃, resulting in chromium poor grain boundary, which is insufficient to resist corrosion.

Integrity, cooperation and innovation, positive and competitive, healthy and abundant are the company's core values. The company EN10025-4 steel S420ML always adhere to the "people-oriented", pay attention to improve the production skills and cultural quality of employees, by cultivating employees to carry forward excellent cultural traditions, set up the correct values, ethics and codes of conduct to improve employees' loyalty and work enthusiasm.

A283 Gr A steel composition(%)Carbon, max 0.14Manganese, max 0.90Silicon: 0.40 0.15-0.40Phosphorus, max 0.035Sulphur, max 0.04A283 Gr A steel plate mechanical propertyTensile Strength: 45, 000 -60, 000 psi [310 - 415 MPa]Min. Yield Point: 24, 000psi [165 MPa]Elongation in 8"": 27% minElongation in 2"": 38% min

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