Singumenzi onguchwepheshe kanye nomhlinzeki wamapayipi ensimbi egayiselelwe noma amashubhu, kanye nohlu oluphelele lokufakwa okuhlobene njenge-fasteners ye-galvanined, ama-flalized galvanized kanye nokufakwa kwezingcingo).
Okujwayelekile:I-ASTM A53, ASTM A106, EN10255, EN10219, EN10219, EN10210, ES39, BS1387, ASTM 500, JISM344, ANSI C3444, ANSI C80.1, njengoba kungu-1074
Amabanga:A53, A106 GR.A, GR.B, GR.C, S235, S275, S355, A36, SS400, Q195, Q345, Q345