Materials were: 10 #, 20 #, 35 #, 45 #, 20 G, 16Mn, 27SiMn, 12CrMo, 15CrMo; GB for the implementation of: GB8162-99 (the structure), GB8163-99 (of fluid), GB3087-99 ( In the low-pressure boiler tubes), GB5310-95 (high-pressure boiler tubes), GB9948-88 (of oil cracking) The main pipeline used for oil and gas industry in the gas, water, oil and other transportation]