Seamless Steel Pipe ASTM A106 GR.B for power station Seamless Steel Pipe ASTM A106 GR.B for power station, We had supply the Eskom in south african . It is Boiler tube .Also we had many standard pipe , such as api 5l 5ct for oil gas and struction . Shippment by sea or air as your need . Descript China ASTM A1045 Ck45 Q345b Seamless Steel Pipe Seamless pipe-CHN Steel pipe & tube Co.Seamless pipe - Our products have passed API 5CT and API 5L certificate of authority and TUV certificate of German. They also passed GB/T19001-2000 national quality certificate and ISO9001:2000 international quality certificate and we won medals and special awards in metallurgy Department, Inner Mongolia and nationwide.