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BBN steel company was founded in 2000, starting the international business in 2010 and successfully being approved and certified by ISO9001:2008. After ten years development, BBN steel has become the large-scale comprehensive enterprise group, combining steel trading, hardness of SMA490CW plate processing, and steel distribution, also have large warehouse and processional representatives both inTianJin, Zhengzhou and Beijing city.
The company mainly supplymild hardness of SMA490CW steel plate, alloy steel plate, boiler plate, corten steel plates for railway, marine, automotive, home appliances, shipbuilding, construction, machinery manufacturing and oil tank projects. While accelerating the development of the main steel industry, the company adheres to a diversified development strategy and actively develops the other industry like household products, face mask machine, precision casting producing, steel structures, and heavy plates processing service.
When using hardness of SMA490CW, low-alloy high-strength steel, it is desirable to take advantage of its high strength and use a thinner section, not only for saving weight but also for the economy as much as possible. However, the corrosion factor must be fully considered. The thinner the steel section, the more attention should be paid to corrosion protection. Some low-alloy high-strength steels have good atmospheric corrosion resistance, which can not only improve the effect of anti-corrosion coatings, but in some cases, take appropriate precautions and can even be used without being coated in the atmosphere.
Vanadium mainly exists in the form of carbide in hardness of SMA490CW and so on steel. Its main function is to refine the structure and grain size of steel and reduce the strength and toughness of steel. When the solid solution is dissolved at high temperature, the hardenability is increased; conversely, if it is in the form of carbide, the hardenability is reduced. Vanadium increases the tempering stability of quenched steel and produces secondary hardening effect. The vanadium content in steel, except high speed tool steel, is generally less than 0.5%.
S500MC hot-rolled high-strength steel chemical composition (melting analysis)%C: ≤0.12, Si: ≤0.50, Mn: ≤1.60, P: ≤0.25, S: ≤0.020, Ait: ≥0.015, Nb: ≤0.09, V: ≤0.20, Ti: ≤0.15Mechanical propertiesYield strength MPa: ≥500Tensile strength MPa: 550-700Elongation: ≥12
If you have steel demands in the near future, please send us inquiry in advance, as we have regular steel production plan and can arrange you a reasonable prodction time. Other than fresh production, we also have huge hardness of SMA490CW stocks for the most widely used steel materials. So that the customers need not wait too long to get their required steel. Welcome to contact us and consult steel price, our sales person will give you professional answers and suggestions.
Our company regularly visits customers, consults and follows up the after-sales service, and directly solves problems for customers. In the use of our steel materials, whether quality problems or not, the after-sales will help solve the problem as soon as possible. We promise free life-long replacement for any product quality problems. The sound after-sales service system make you free from worries.