Stainless steel precision tubes - Zhejiang Ruimai stainless steel tube Co., Ltd-hydraulic pipe, heat exchanger tubes, line pipe

Stainless steel precision tube

Ruimai produces Stainless steel precision tube in bright annealed condition or annealed and polished condition.

The popular standards and specifications of stainless steel precision tube are:

  • ASTM A269, A312, A213, A632,

  • EN 10216-5, EN 10297-2, EN 10305-1

  • Other specifications on customers' requests.

Size range of precision pipe:

  • O.D of precision pipe: 3 mm - 88.9 mm

  • W.T: precision pipes including thin wall precision pipes and thick wall precision pipes, for thin wall precision pipes, the wall thickness is 0.1 mm - 3mm; for thick wall precision pipes the wall thickness is 1mm to 15mm. 

Ruimai precision pipes are with high precision tolerances as:

  • EN 10305-1

  • EN ISO D4/T3, D4/T4

  • Tolerances of outside diameter of precision pipes can reach to -/+ 0.03mm; tolerance of wall thickness of precision pipes can reach to -/+ 0.05mm. 

Surface condition of precision tubes:

Ruimai precision tubes have smooth outer and inner surface, The roughness value (Ra) is less or equals to Ra 0.4um

The materials of precision tubes Ruimai produces are mainly:

  • Austenitic stainless steels

  • Duplex stainless steels / Super duplex steels

  • Nickel alloys

Advantages of the precision tubes produced by Ruimai:

High precision, smooth surface, good mechanical properties performance.

The applications of precision tubing:

Widely used in all industrial fields, such as oil, petrol, chemical, marine, gas, automobile, etc. Practically used in all areas of the machine, instruments production.