Precision seamless steel pipe industry specifications Liaocheng virtue production: OD 10 --- 180 gcr15 precision light pipe, wall thickness of 1 ---- 20 supply precision light pipe, products with high precision, good high-quality finish, surface quality characteristics, widely used, in addition to a variety of cold drawn precision seamless can be customized precision light pipe according to customer requirements, non-standard precision bright seamless steel pipe, material: 20 # 16mn precision light tube, 10 #, 45 #, 16MN, GGr15, 40Cr, 20Cr, and so on. Chemical composition of precision light tubes and a variety of different materials comparison: carbon C, silicon Si, manganese Mn, S, phosphorus P, chromium Cr. 10 # 0.07 ~ 0.13 0.17 ~ 0.37 0.35 ~ 0.65 ≤0.035 ≤0.035 20 # 0.17 ~ 0.23 0.17 ~ 0.37 0.35 ~ 0.65 ≤0.035 ≤0.035 35 # 0.32 ~ 0.39 0.17 ~ 0.37 0.35 ~ 0.65 ≤0.035 ≤0.035 45 # 0.42 ~ 0.50 0.17 ~ 0.37 0.50 ~ 0.80 ≤0.035 ≤0.035 40cr 0.37 ~ 0.44 0.17 ~ 0.37 0.50 ~ 0.80 ≤0.035 ≤0.035 0.08 ~ 1.10 supply precision light pipe | virtues of Industry (certified) | Taizhou precision light control by virtue Pipe Liaocheng Limited. Liaocheng virtue Pipe Co., Ltd. (www.meidegc.com) (www.meidegc.com) (www.mdwfg.com) (www.mdggc.com) Shandong Liaocheng, steel leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Industry leaders in the United States and Germany with the staff warmly welcome all inquiries negotiations to create the virtues pipe industry a better future.