... Galvanized Pipes. We supply stee pipesl with very competitive price to meet customers' needs with the satisfied service and high standard ... 2001, BS1378-1985, ASTM A53, EN5. Usage: used for low pressure liquids conveyance, such as water, gas, and construction6. ... many fields such as construction, furniture, green houses, scaffolds, petroleum, coal gas, natural gas, heating power stations, high-pressure ...