High-pressure tubes

We have the right high-pressure tubes for your application in stock. Our company offers seamless austenitic cold redrawn stainless steel and alloy 316/316L tubing for high-pressure applications, where both high strength and corrosion resistance are desired. Merinox high-pressure tubes are characterised by high yield strength and high tensile strength in connection with high elongation. The high-pressure tubes are used for fluid handling in a wide range of industries such as oil and gas, chemical, petrochemical, hydraulic, shipbuilding and research.

The specifications of high-pressure tubes

When it comes to high-pressure tubes, the following characteristics are relevant:

ASTM A213/ASME SA213/EN10216-5

  • Bright finish, cold drawn, hardness 90HRB
  • Random lengths of 5-7 meters
  • IC test. to ASTMA A262 Practice A
  • Hydrostatic pressure tested

Maximum service temperature: -252°C/-423°F to 649°C/1200°F

Maximum working pressure:

20.000 PSI (1.030 bar) available in stock

60.000 PSI (4.140 bar) available in stock

150.000 PSI (10.350 bar) available on request

Stock program Dimensions in inches Dimension in mm Kg/mtr.
20000 PSI / 1380 Bar OD ID Wall OD ID Wall  
1/4’’ 0.110’’ 0.070’’ 6.35 2.79 1.78 0.20
3/8’’ 0.203’’ 0.086’’ 9.53 5.17 2.18 0.40
9/16’’ 0.312’’ 0.125’’ 14.28 7.92 3.17 0.88
3/4’’ 0.438’’ 0.156’’ 19.05 11.13 3.96 1.50
1’’ 0.562’’ 0.219’’ 25.40 14.27 5.56 2.76
60000 PSI / 4140 Bar OD ID Wall OD ID Wall  
1/4’’ 0.084’’ 0.083’’ 6.35 2.13 2.11 0.22
3/8’’ 0.125’’ 0.125’’ 9.53 3.18 3.18 0.51
9/16’’ 0.186’’ 0.188’’ 14.28 4.72 4.78 1.13

The following high pressure tubing materials are available on request:

Alloy 6MO, Duplex 31803, Super Duplex UNS32750, 400, 600, 625, 825, C276 and Titanium Grade 2.

Rely on the expertise of Merinox’ team when you are interested in tubes, pipes and other products.

Mechanical properties 316L
Tensile strenght (mpa, min) 460 -690
Yield strength (0.2% offset mpa, min) 190
Elongation (%, min) 40
Density / weight (g / cm3 / kg) 8.0

Ask for more information

Would you like to have a conversation with one of our experts? Do not hesitate to get in touch with us. Fill out the online contact form, send an email to info@merinox.nl or phone us at the number +31 (0)78 691 7800 for more information about conversion, pressure tubes and more. We are happy to tell you more about our area of expertise.