... delivery competitive price and good quality Name: BS 1387 pre-galvanized steel pipe Material: Q195, Q235, Q215, 10#, 20#, ... GB/T3901, ASTM A53-2007Surface Treatment: Hot dip galvanized (220g-500/sqm), Pre-galvanized (80g-120/sqm) Black Painted (varnish coating), ... , coupling, nipple, elbow, tee, flange and some other pipe fittings. Secondary treatment: cutting, drilling, stamping, etc.Welded line type ...