Since the foundation of the company, the Spring Festival Gala is an annual activity held at the end of the year. Now it is a part of the BBN company culture to enrich the employee's life. The annual Spring Festival Gala in 2019 was held on January 20, 2020. There are opening ceremony, leader's speech, BBN steel performance, awards for outstanding employees, lucky draw, party game, curtain call, company group photo, annual Gala dinner and other links.
S45C steel plate chemical composition: C 0.42~0.48, Si 0.15~0.35, Mn 0.60~0.90, P≤0.030, S≤0.035, Cu≤0.30, Ni≤0.20, Cr≤0.20Mechanical properties of A633 Grade A structural steel productTensile strength>686MPaYield strength>490MPaElongation δ5>17%Shrinkage ψ>45%Impact toughness value>78J/cm2The hardness is 201~269HB.
A633 Grade A structural steel professional stockist and exporter5*3000*5680, 5.5*2450*7500, 6*2780*6000, 6*1750*6000, 8*2200*8200, 5*3000*5680, 7*3000*7320, 6*1600*11640, 8*2090*7990, 5.5*2450*7500, 5*2450*11000, 6*2750*8000, 6*1750*6000, 6*2750*10000, 8*1750*7950, 5*2450*8000, 10*1990*9000, 5.5*2400*8000, 10*2030*6580, 7*3000*7350, 11*1510*5370, 11*1640*10760, 8*2700*10000, 11*1930*11230.
Expression method of pressure coefficient of seamless steel pipe: pressure P < 7MPa coefficient S-8 7 < A633 Grade A structural steel steel pipe pressure P < 17.5, coefficient 5-6 pressure P > 17.5, coefficient S-4 seamless pipe production and manufacturing: tube blank -- Inspection -- peeling -- Inspection -- Heating -- perforation -- pickling -- grinding -- lubrication and air drying -- welding head -- cold drawing -- solution treatment -- pickling -- pickling and passivation -- Inspection -- cold rolling -- degreasing -- air drying -- internal polishing -- one external polishing -- Inspection -- identification of finished A633 Grade A structural steel product packaging.
The company adopts one-to-one fast service and has formed a professional after-sales service team to deal with various problems reflected by customers as soon as possible. At the same time, a traceable product traceability system has been established. It has always been placed at an important core position to resolve customer worries. Our steel A633 Grade A structural steel products are always committed to “quality issues, life-long replacement”, which is the embodiment of our comprehensive service.
We specialize in the production and sale of steel products. We have many customers from all over the world. Our products A633 Grade A structural steel have strict quality inspection departments, so we have absolute quality and technical advantages. Good promotion system, with advanced business philosophy, create development space, enhance the value of employees, improve the quality of life as the mission. Pursuing green procurement, energy conservation and consumption reduction.
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