Ultra High Purity (UHP) Tubes and Pipes

Mainly produces various grades (304, 340L, 321, 316L, etc.), specification of ultra-precision, super clean, super bright, high strength, seamless stainless steel pipe.

At the same time, we also have high purity precise line and complete EP production line, mainly produce ultra-high purity BA EP TUBE, which are widely used in semiconductor, medical pharmaceutical, biology, food industry and so on.

Features:

Ultra High Purity (UHP)

UHP tubes and pipes are rinsed with 18MΩ DI water and purged with 99.9995% filtered nitrogen and are packed in an Class 10 cleanroom.

Variety of Inside Diameter Surface Finish Level

A variety of surface finish grades are offered for customer's various application as cost saving options. For example, annealed and pickled (AP), mechanically polished (MP), bright annealed (BA), electro polished (EP).

Selected Raw Materials

316L SS UHP tubes and pipes are manufactured from a specially selected mother pipes (seamless), controlled lower content of sulfur levels to promote reliable, consistent welding.

Various Material Type

304 ASTM(1.4301 EN/DIN,JIS SUS304);304L ASTM(1.4307 EN/DIN,JIS SUS304L); 316 ASTM(1.4401 EN/DIN,JIS SUS316);316L ASTM(1.4404 EN/DIN,JIS SUS316L) are standard. Other material types are available upon request.

Selective Tube and Pipe Type

Seamless, semi-seamless and welded types are available for wide selection and cost saving option.

Chemically Cleaned and Passivated

BA and EP grade tubes and pipe are chemically cleaned and passivated to keep nonvolatile residue levels to comply with ASTM G93 or SEMI E 49.6

Packaging

BA and EP grade tubes and pipes are packed as following manner.

Ends are faced and protected with polyamide nylon film and polyethylene caps, packed in single (BA grade) or double (EP grade) polyethylene bags.

WE CAN PROVIDE SAMPLES FOR FREE.