Zhejiang Guanyu Steel Tube Co., Ltd is specialized manufacturer of Stainless Steel Instrumentation Tubing in China. And we have some instrumentation tubing store for regular size. All the tubing be produced with most update LG20 pilger machina / cold drawn and finished with Bright Annealing or Pickling Annealing with outside surface Polishing. Ensure the tubes dimension tolerance in accurate and inside and outside surface in cleanliness. ASTM A213 A269 304/L 304/304L 316/L 316/316L Stainless Steel Instrumentation tubing in a comprehensive range of corrosion-resistant stainless steels and nickel alloys covering outside diameters(OD) from 1.59 to 50 mm (0.0625 to 1.968 in.) Guanyu Tube supply Instrumentation Tubing characterized with good ovality, concertricity, and suitable hardness (<80HRB) required for superior performance in instrument system applications. Clean and smooth surface. Stainless Steel Instrumentation Tubing with high cleanlinessStainless steel instrumentation tubing is characterized by high cleanliness, and tubes with OD larger than 5mm (0.196 in.) are delivered with plugged…