Galvanized steel pipe 1. Size: 1/2" to 30" 2. Material:Q195,Q235, Q345etc 3. ... : BS1387, BS4568,ASTM A53,DIN10255 Supply ASTM A53 Galvanized pipe High Quality 1. Size: 1/2" to 30"2. Material:Q195,Q235, Q345etc3 ... pressure liquid delivery such as water, gas and oil . Supply high quality Galvanized pipe ASTM A53 standard