G. I. PIPE 鍍鋅鋼管
British & European Standard : Hot dip galvanized pipe and welded pipe standard to BSEN10255
英國及歐洲標準：熱浸鍍鋅鋼管及焊接鋼管標準

No.180 Crosses C1 四通		No.130 Tees B1 三通		No.180R Crosses, Reducing C1 昇徑四通
No.223 Side Outlet Tees Beaded Equal Za1 側孔三通	No.221 Side Outlet Elbows Beaded Equal Za1 側孔彎頭		No.90 Elbows A1 彎頭		No.90R Elbows, Reducing A1 昇徑彎頭
No.120 45∘Elbows A1/45∘ 45∘彎頭		No.92 Male and Female Elbows A4 內外絲彎頭		No.330 Unions, Flat Seat U1 平行活接頭
No.240 Sockets Reducing M2 昇徑外接頭	No.529a Male and Female Sockets M4 內外絲接頭		No.241 Bushings N4 內外縲絲		No.280 Hexagon Nipples N8 內外接頭