Our factory produces seamless stainless steel precision tubes (size range 3 mm - 101 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.

1) Production specifications:

Precision 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 precision Duplex /super duplex pipes: 1.4462, 1.4410, 1.4539; S32205, S31803, S32750, S32760, 904 /904L.

3) Delivery condition

Precision Seamless stainless steel tubes mainly are delivered in below conditions:

- In Solution annealed and pickled

- In Bright annealed condition as Stainless steel bright annealed tube.

- Annealed and Polished condition

4) Tolerance:

According to D4/T4, EN 10305-1 or corresponding standards;

O.D tolerance: +/- 0.03mm, W.T tolerance: +/- 0.03 mm.

5) Size range & Lengths

OD: 2 mm to 101mm

WT: 0.5 mm to 20 mm.

Length: Most popularly stainless steel seamless pipes are supplied with straight length up to 25 meters, and precision seamless stainless steel tubes can also be supplied in coils as seamless coiled tubes.

6. Main Applications:

Precision seamless stainless steel tubes widely are used as instrumentation tubing and hydraulic tubing, also in all the other industrial applications (such as chemical, marine, gas, automobile, oil and so on) where requires high precision dimensions/ accuracy sizes.