ISO/EN seamless stainless steel tubes
Seamless stainless steel tubes
according to ISO/EN standards, which also includes a wide range of sizes in duplex and super-duplex stainless steels grades.
1) Standard
EN/ISO seamless stainless steel tubing is available according to below standards, also customer's requirements.
- EN 10216-5 TC1 / TC2
- EN 10297-2
- PED 97/23/EC, AD 2000
2) Steel Grades
Austenitic stainless steel grades: 1.4301/1.4307, 1.4401/1.4404, 1.4541/1.4878, 1.4571, 1.4948
Duplex / super duplex stainless steel grades: 1.4462, 1.4410, 1.4539
3) Delivery condition
Seamless stainless steel tubes mainly are delivered in below conditions:
- Bright annealed,
- Solution annealed and pickled,
- Annealed and Polished
4) Size Range
Younglee can produce seamless stainless steel tubes in a wide size range as below:
Outer Diameter: 3 mm to 508 mm;
Wall thickness: 0.5 mm - 40 mm
5) Tolerances
EN/ISO seamless stainless steel tubing usually is following the below requirements and the customer's requests.
Condition | Outside diameter | Wall thickness |
---|---|---|
Cold-worked |
+/-0.75%, but min. |
+/-10%, but min. +/- 0.2 mm (T3) +/- 7.5% (T4) |
EN/ISO Standard seamless stainless steel tubes are supplied as:
- Stainless steel heat exchanger tubes
- Stainless Steel Hydraulic Tubing
- Stainless steel instrument tubing
- Stainless steel boiler tubes
- Line pipes / Flowline pipe
- High temperature tubes /Furnace tubes
- Duplex /super duplex steel pipes
- Seamless Coiled tubes
- Stainless steel capillary tubes
- Stainless steel bright annealed tube
- Stainless steel precision tubes
- Stainless steel U-bend pipes