6 mm

1/4 inch

1.0 mm

0.035 inch

8 mm

5/16 inch

1.0 mm

0.035 inch

10 mm

3/8 inch

1.0 mm

0.035 inch

12 mm

1/2 inch

1.0 mm

0.035 inch

15 mm

5/8 inch

1.5 mm

0.049 inch

16 mm

5/8 inch

1.5 mm

0.049 inch

20 mm

3/4 inch

1.5 mm

0.049 inch

22 mm

7/8 inch

2.0 mm

0.065 inch

25 mm

1 inch

2.0 mm

0.065 inch

28 mm

1-1/8 inch

2.0 mm

0.065 inch

30 mm

1-1/4 inch

2.0 mm

0.065 inch

32 mm

1-1/4 inch

2.0 mm

0.065 inch

35 mm

1-3/8 inch

2.0 mm

0.065 inch

38 mm

1-1/2 inch

2.0 mm

0.065 inch

40 mm

1-1/2 inch

2.0 mm

0.065 inch

45 mm

1-3/4 inch

2.0 mm

0.065 inch

50 mm

2 inch

2.0 mm

0.065 inch

Bright Annealed

- A smooth, shiny surface finish achieved through annealing in a controlled atmosphere furnace.- Provides excellent corrosion resistance and aesthetic appeal.- Ideal for applications requiring a high-quality, polished appearance.

Pickled and Passivated

- The tubing is chemically treated to remove surface impurities, scale, and contaminants (pickling), followed by passivation to enhance corrosion resistance.- Results in a clean, uniform surface finish with improved corrosion resistance.- Suitable for applications where cleanliness and corrosion resistance are critical, such as pharmaceutical and food processing industries.

Mechanical Polished

- Achieved through mechanical polishing processes such as grinding, buffing, or brushing.- Provides a smooth, satin-like finish with enhanced aesthetic appeal.- Suitable for applications requiring a decorative finish, such as architectural and ornamental applications.

Electropolished

- An electrochemical process that removes surface imperfections and enhances the chromium oxide layer on the stainless steel surface.- Produces a smooth, mirror-like finish with improved corrosion resistance and cleanability.- Ideal for applications requiring high cleanliness, such as semiconductor and biopharmaceutical industries.

Matte Finish

- A non-reflective, dull surface finish achieved through abrasive blasting or chemical etching.- Provides a uniform, textured appearance with reduced glare and reflection.- Suitable for applications where aesthetics and glare reduction are important, such as outdoor architectural elements and signage.

Annealing

- Annealing is a heat treatment process that involves heating the stainless steel tubing to a specific temperature, typically above its recrystallization temperature, and then cooling it slowly to room temperature.- This process relieves internal stresses, improves ductility, and enhances the materials mechanical properties.- Annealing is commonly used to soften the stainless steel tubing for further processing, such as bending or forming.

Quenching and Tempering

- Quenching involves rapidly cooling the stainless steel tubing from a high temperature, typically by immersing it in a quenching medium such as oil or water.- Tempering is then performed by reheating the quenched tubing to a lower temperature to achieve the desired balance of hardness and toughness.- This process improves the tubings hardness, strength, and resistance to wear and abrasion.- Quenching and tempering are commonly used for strengthening stainless steel tubing in high-pressure hydraulic applications.

Solution Annealing

- Solution annealing, also known as solution treatment, is a heat treatment process used for austenitic stainless steel tubing grades such as 304 and 316.- It involves heating the tubing to a temperature above its critical temperature range to dissolve any carbides or other precipitates present in the material.- The tubing is then rapidly cooled to prevent the reformation of carbides, resulting in a single-phase austenitic microstructure with improved corrosion resistance and mechanical properties.- Solution annealing is often performed before welding or other fabrication processes to restore the tubings properties and prevent sensitization.

ASTM A269

- ASTM A269 is a standard specification for seamless and welded austenitic stainless steel tubing for general service.- It covers tubing dimensions, mechanical properties, and testing requirements.- ASTM A269 tubing is commonly used in hydraulic systems, instrumentation, and process piping applications.

ASTM A213/A269

- ASTM A213/A269 covers seamless ferritic and austenitic stainless steel tubing for boiler, superheater, and heat-exchanger applications.- It specifies dimensions, mechanical properties, and testing requirements for tubing used in high-temperature and corrosive environments.- ASTM A213/A269 tubing is suitable for hydraulic systems operating under elevated temperatures and pressures.

ASTM A789/A790

- ASTM A789/A790 covers seamless and welded duplex stainless steel tubing for general corrosion resistance and high-strength applications.- It specifies dimensions, mechanical properties, and testing requirements for duplex stainless steel tubing used in aggressive environments.- ASTM A789/A790 tubing is commonly used in hydraulic systems in marine, offshore, and chemical processing industries.

ISO 1127

- ISO 1127 is an international standard for stainless steel tubing dimensions, tolerances, and surface finish requirements.- It provides specifications for both seamless and welded stainless steel tubing used in various industries, including hydraulic systems.- ISO 1127 ensures compatibility and interchangeability of stainless steel tubing from different manufacturers.

NACE MR0175/ISO 15156

- NACE MR0175/ISO 15156 is a standard addressing the resistance of metallic materials to sulfide stress cracking in sour environments containing H2S.- It specifies material requirements, including chemical composition, hardness, and heat treatment, for tubing used in oil and gas production, including hydraulic systems.- NACE MR0175/ISO 15156 compliance is essential for tubing used in sour service applications.