Q355NH, Q500NH, Q550NH steel coil 2000 tons exported to Malaysia

Q355NH, Q500NH, Q550NH steel coil 2000 tons exported to Malaysia

Q355NH, Q500NH, Q550NH steel coil 2000 tons exported to Malaysia
  • Comments: The smelting of Q355NH, Q500NH, Q550NH steel coil, spring steel is very important. It is necessary to ensure excellent metallurgical quality, not only to ensure accurate chemical composition, but also to have high purity. The content of sulfur, phosphorus

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