... A53/API 5L(2) Material: 10#, 20#, 16Mn, A106Gr.A/B/C,(3)Specification: O.D: 21.3mm-711.2 mm(4 ... as well as boilerHigh-pressureboiler pipe20G,A106,ST 45GB5310-95ASTM A 106-99DIN17175-7914-630*2-80Temperature-resistantseamless steel pipefar high ... pipes for fertilizer making equipment20, 16Mn,Q345GB6479-200018-530*3-40Fertilizer making equipment and pipe lineLow and medium- pressure boiled pipe10,20GB3087 ...