Q355NH cold rolled railway steel strip for boiler heads

Q355NH cold rolled railway steel strip for boiler heads

Q355NH cold rolled railway steel strip for boiler heads
  • Comments: BEBON is a large steel group with finance department, production department, sales team, technical department, quality control department, logistics department and after-sales service team. We are committed to creating a various culture system with its ow

BEBON is a large steel group with finance department, production department, sales team, technical department, quality control department, logistics department and after-sales service team. We are committed to creating a various culture system with its own characteristics, and work hard to create a first-class steel plate company in China. Based on the business philosophy of quality-oriented and strengthened management, the company continues to develop in this industry.

Weathering steel plate Q355NH cold rolled railway steel strip for welding structure is made by adding chromium, molybdenum, titanium, vanadium and other metal materials into common steel liquid. Adding these materials can form a protective film on the surface, which can resist the corrosion of climate for a long time. Advantages: this kind of steel plate Q355NH cold rolled railway steel strip has excellent welding performance and weather resistance, and is widely used in railway, bridge and other areas requiring long-term exposure to the atmosphere.

Normalizing is to heat the steel parts to 30~80℃above the critical temperature for a period of time. Then the parts are taken out of the furnace and cooled in air. Since the cooling rate of normalizing is faster than that of annealing, the strength and hardness of normalized Q355NH cold rolled railway steel strip are higher than that of annealed Q355NH cold rolled railway steel strip, but the elimination of internal stress is not as good as annealing. The normalizing operation of Q355NH cold rolled railway steel strip is simple, the cost is low, the productivity is high, and it is widely used in actual production.

The Qatar Railways company launched a tender for designing ,construction and completion of Green Line Project. Our company has participated in the bidding from Qatar Railway Company since May, 2016. A delegation from project visited several famous Q355NH cold rolled railway steel strip pipe mill in China for 15 days in July,2016. Of course the delegations had visited our pipe mill.

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