Do you know the Q295NH steel pricing standard material

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SM400A/B/C steel structural quality carbon steel profiles, Q295NH steel pricing plates and bars used for riveting, bolting or welding of bridges and buildings and general structural purposes.

Sprin steel refers to the special alloy steel used to manufacture all kinds of springs and other elastic elements. Q295NH steel pricing, Spring steel has excellent comprehensive performance, good surface quality, accurate shape and size. The smelting of Q295NH steel pricing, spring steel is very important. It is necessary to ensure excellent metallurgical quality, not only to ensure accurate chemical composition, but also to guarantee high purity. The content of sulfur, phosphorus, oxygen and nitrogen of spring steel should be low, and the uniformity and stability of spring steel should be good.

When the steel plate containing molybdenum only is at high temperature for a long time, the carbon will aggregate into graphite and precipitate, which will worsen the performance. To eliminate this tendency, chromium is often added to the Q295NH steel pricing, steel plate at the same time. When chromium is added to the steel plate, the heat strength, high temperature oxidation resistance and corrosion resistance can also be improved.

S355J2 steel plate belongs to European standard low alloy steel, the executive standard is EN10025-2. Delivery status: normalizing, hot rolling or control rolling. S355J2 corresponds to the Chinese Q345D, but the executive standard is different, the chemical composition is slightly different, but their mechanical properties are the same. S355J2 low alloy steel plate tensile strength (MPA): 450-680, impact value: - 20 ℃: ≥ 27J. Q295NH steel pricing, S355J2 low alloy steel plate is widely used in bridges, vehicles, ships, buildings, steel structures, etc.

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