... stainless steel pipes are widely used for pharmacy industry pipelines. Stainless steel pipes & tubes are widely used for many ... ladder, furniture and so on.We have many kinds of stainless steel pipes & tubes, including 201, 202, 301, ... to the product standard, we produce the stainless steel pipes & tubes in strict accordance with ASTM ... so on. ASTM A270 Stainless Steel Pipes & Tubes for Pharmacy Pipeline