Quenched & tempered S550QL steel machinability

Zhengzhou BBN steel company was established in 2000. After more than ten years of development, it has formed a professional operation pattern integrating R&D, production, sales and after-sales service. In recent years, S550QL steel based on a high starting point and high technology, the company has vigorously developed various steel products S550QL steel and deep-processed parts, steel structures, precision castings, seamless pipes.

Tianjin warehouse mainly stores steel plates and steel pipes. The monthly replenishment is about 12000 tons. Our inventory cycle is short and flexible. Shanghai warehouse mainly stores S550QL steel ,steel plate and section steel. The average monthly purchase volume is about 15000 tons. The geographical location of the warehouse has greatly improved our performance in terms of transportation and delivery time.

Expression method of pressure coefficient of seamless steel pipe: pressure P < 7MPa coefficient S-8 7 < S550QL 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 S550QL steel product packaging.

The Peru customer has cooperated with us since April 2015, and then they purchased 300 tons A36 mild steel plates as trial order. Since then, they book more than 1000 tons from us every time, and about two times every year. They asked SGS test every time. Through our cooperation those years, we have built very good relationship and they entrust us to buy other related S550QL steel products for them from China also. And they have introduced us good customers in Peru, among which there are also governmental projects. It is a win-win cooperation between us.

What is the the price of S550QL steel inventory? EXW price: 532 USD per ton
11*2080*13550, 11.5*2770*8470, 12*1650*7800, 10*2240*8875, 14*3545*5070,, 10*2050*7900, 10*1800*7800, 14.5*2250*10280, 12*3570*13100, 10*3690*10170, 15*2550*6650, 12.5*2415*8550, 15*3200*15000, 12.5*2030*13450, 13*3340*10900, 12*1560*8725, 13*3200*15000, 14*3700*11040, 9*3500*6750, 12*2720*8725, 15*1620*4000, 15*3920*8620, 13*3055*11550, 13*2230*15150."

[Enterprise Spirit]: professional, honest, dedicated and innovative.[Enterprise Tenet]: provide customers with satisfactory steel products and services.[Enterprise Policy]: customer satisfaction is our pursuit. The trust of customers is our achievement.[Service Tenet]: to develop the market with quality and grow with sincerity.The company adheres to the commitment of quality first and customer foremost, takes high quality and high efficiency as the service principle, takes mutual benefit and common development as the business purpose.