I. National Standard for Hot Rolled Flat Steel
The materials of flat steel mainly include carbon structural steel, high-quality carbon structural steel and low-alloy high-strength structural steel. The technical standards are:
Carbon structural steel standard: GB 700-88；;
Standard for high-quality carbon structural steel: GB/T699-1999;
Standard for low-alloy high-strength structural steel: GB/T 159 1-94.
Flat steel refers to steel with a width of 12-300mm, a thickness of 4-60mm, a rectangular cross section and a slightly blunt edge. Flat steel can be finished steel, or it can be used as the blank of welded pipe and thin slab for overlapping rolling. ? Main uses: flat steel can be used as finished products to make hoop iron, tools and mechanical parts, and can be used as building frame structural parts and escalators in buildings.
Second, hot rolled flat steel production enterprises
1, Tianjin jubaolin trading co., ltd is located in the center of Bohai economic circle, a major industrial town in the north (Tianjin, China)! Is a specialized steel logistics enterprise integrating steel processing and sales, warehousing and logistics. The company makes friends with sincere attitude, gives profits to customers at the lowest price and serves the society with enthusiasm. Companies adhere to the "customer first, integrity first" business philosophy! ? Our company mainly deals in: angle steel-channel steel-I-beam -H-beam-square pipe-welded pipe-galvanized pipe-seamless steel pipe-medium plate-hot plate-diamond plate-galvanized plate-cold plate-rebar wire-and various metal materials, with an annual inventory of more than 8,000 tons and an annual sales volume of nearly 50,000 tons.
2. Liaocheng Huasheng Tongda Metal Material Co., Ltd. is a company specializing in the production and processing of other products, with a complete and scientific quality management system. Liaocheng Huasheng Tongda Metal Material Co., Ltd. has been recognized by the industry for its integrity, strength and product quality.
3. Xingtai Okay Steel Processing Co., Ltd. (Hebei Nanhe Guoer Rolling Mill) www.xtakgc.com is located in the beautiful North China Plain, close to Xingtai exit of Beijing-Zhuhai-Macao Expressway and Beijing-Guangzhou Railway, with a very advantageous geographical position. The company processes and customizes all kinds of high-quality special-shaped steel all the year round, such as hot-rolled profile, round steel, flat steel, square steel, rhombic steel, equilateral triangle steel, equilateral triangle angle steel, angle steel, semi-round steel, trapezoidal steel, oval steel, edge steel and knife steel. Square blank Hafen channel steel, Hafen groove embedded parts, curtain wall fittings. Threaded drill pipe wool.
Third, the price of hot rolled flat steel
1，Dines？ Hot rolled flat steel
Company Name: Renqiu Dinaisi Cold-drawn Metal Products Factory
Starting price:? ￥2600? /ton
2. The spot price of Tianjin hot rolled flat steel is in Tianjin Beihongxiang.
Company name: Tianjin North Hongxiang Trading Co., Ltd.
Starting price:? ￥3200? /ton
3. On behalf of Silver? Specializing in the production and sale of elevator guide rail section steel
Company name: Daiyin Metal Products Factory, Daiyue District, Tai 'an City
Starting price:? ￥3500? /ton
(The above information comes from the Internet for reference only)
In order to buy suitable and qualified hot rolled flat steel and avoid choosing inferior products from inferior manufacturers due to lack of experience or comparison, consumers can refer to the above-mentioned national standards, analyze the actual parameters of products and their own demand budget, if necessary, choose companies with mature quality scale and perfect after-sales service according to the recommendation of comprehensive price manufacturers, and make clear one of them through field reference and investigation in the later period, so as to obtain satisfactory results.