... are widely used for pharmacy industry pipelines. Stainless steel pipes & tubes are widely used for many areas as ... petroleum transmission pipes, petrolchemical industry pipes, liquid delivery pipe, water pipelines.3. milk transmission, sugar factory, dairy, sanitation, ... tubes in strict accordance with ASTM A249, A269, A270, A312, A554, DIN 11850 and so on. ASTM A270 Stainless Steel Pipes & Tubes for ...