Younglee Metal Products Co., Ltd
TOP quality Chinese manufacture and supplier of Pipe clamps, hydraulic tubing and hydraulic SAE flanges, ball valves.
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Our product of stainless steel seamless pipes and tubes are with 2 mm - 219 mm outside diameter and 0.50 mm - 20 mm wall thickness. which also includes a wide range of sizes in duplex and super-duplex stainless steels grades. Tubes with outside diameter below 6 mm, people usually call them capillary tubes. And seamless stainless steel tubes with thick wall thickness are usually used for high pressure applications, one of the most popular applications is as hydraulic tubing. 316L stainless steel hydraulic tubing is very popular for hydraulic systems.
Here below are the detailed specifications of stainless steel seamless pipes:
1) Standard
Seamless stainless steel tubes are available according to below standards, also on customer's requirements.
- EN 10216-5 TC1 / TC2, EN 10297-2, PED 97/23/EC, AD 2000,
- ASTM A312/312M, A213/213M, A269, A789, A790, A999, A632, A511...
2) Most popular steel Grades
Austenitic stainless steel grades: 1.4301/1.4307, 1.4401/1.4404, 1.4541/1.4878, 1.4571, 1.4948; 304/304L, 316/316L, 316Ti, 317/317L, 321/321H, 304H, 347/347H, 310/310S
Grades of Duplex /super duplex pipes: 1.4462, 1.4410, 1.4539; S32205, S31803, S32750, S32760, 904 /904L.
3) Delivery condition
Seamless stainless steel tubes mainly are delivered in below conditions:
- Solution annealed and pickled,
- Tubes delivered in Bright annealed condition as Stainless steel bright annealed tube.
- Annealed and Polished
4) Tolerance:
According to D3/T3, D4/T4, EN 10305-1 or corresponding standards; Seamless stainless steel tubes can be supplied with high precision dimension tolerance as precision tubes. One of the typical type of tubes and pipes with precision dimensions is instrumentation tubing.
5) Size range & Lengths
OD: 2 mm to 508 mm
WT: 0.5 mm to 50 mm.
Length: Most popularly stainless steel seamless pipes are supplied with straight length up to 25 meters, and supplied as u bend pipes for some kind of Stainless steel heat exchanger tubes and seamless stainless steel tubes can also be supplied in coils as seamless coiled tube.