Insiders pointed out that the latest steel prices in recent years, China's domestic steel production and processing technology has made significant progress, many of the original can not be produced, imported products can now rely on the production and product quality gradually recognized by domestic and foreign users. However, since the steel market is booming in recent years, steel companies often only the pursuit of production, and less focus on innovation and development of product quality and production technology, market demand for the product even more imitate steel, rather than the development. Plus iron and steel enterprises in developed countries in technology and equipment transfer increasingly cautious of key equipment and technology is very confidential. In the current steel imports in Jigang plate, still 50% of the share is due to the detection of domestic steel enterprises steel production being difficult, or caused by insufficient production capacity. Alloy structural steel 40Cr, the average carbon content of 0.40%, the main alloying elements Cr content of 1.5% or less. Steel rolled steel alloy tool steel 5CrMnMo, the average carbon content of 0.5 percent, the main alloying elements Cr, Mn, Mo content was 1.5% or less. Special steel Pinyin prefix to indicate its purpose. Such as: ball bearing steel, the steel front labeled "G". GCr15 represents carbon is about 1.0%, chromium content of about 1.5% (this is a special case, the chromium content in thousandths of a digital unit shown) ball bearing steel. Hefei sheets | NSPECTOR | Fair Commerce Bo (certified merchants) are provided by the Hefei exhibition Bo Trading Company. Hefei sheets | NSPECTOR | Fair Commerce Bo (certified merchants) Hefei Show Bo Trading Company (www.hfzhanbo.com) (www.hfzhanbo.com) this year introduced a new upgrade, the above picture is for reference only, please dial this Tel pages or pictures on obtain the latest information, contact: Mr. Huang.