Using pinyin letters to represent the product name, purpose, characteristics and process methods Dongying stainless steel bolts, generally select the first letter of the product name from the representative of Chinese characters in Pinyin. When taken with another product repeated letters Yantai stainless steel bolts, select the second or third letter letter Tai'an stainless steel bolts, or both, select the first two characters of the alphabet. Using phonetic alphabet, in principle, just take one, generally no more than two. Product names, uses, properties and process methods that symbol in Table 2 Name (Kanji) characters using Pinyin location using the symbol font foundry pig iron for steelmaking pig iron ductile iron tablets containing vanadium phosphorus decarbonization wearable pig iron carbon steel low alloy high strength steel weathering steel grades that editors 1. carbon structural steel ① by Q + digital + quality rating symbols + deoxy method symbols. Its steel dubbed "Q", on behalf of the yield point of steel, behind the numbers indicate the yield point value, expressed in units of MPa yield point such as Q235 (σs) of 235 MPa of carbon steel. ② when necessary, can be marked symbols representing steel quality level and deoxygenation methods. Quality rating symbols are A, B, C, D. Deoxy method symbols: F denote boiling steel; b represents a half-killed steel: Z represents killed steel; TZ indicate special killed steel, killed steel without standard symbols, namely Z and TZ can not standard. For example Q235-AF represent Class A boiling steel. Yantai stainless steel bolts | stainless steel bolts | Jinan Road ground is provided by Jinan Daoqin Trading Company. Jinan Daoqin Trading Company (www.daoqinshangmao.com) (www.daoqinshangmao.com) strong, credible, in Jinan, Shandong and other hardware accessories industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Jinan Road ground and you work into the brilliant, for a better future!