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EP Tube for Bulk Gas Delivery

Ultra High-Purity (UHP) Tube Products for

Semiconductors and Flat Panel Display Devices

CREST UHP Seamless Tube Product

    • innovative technology of pre-materials suitable for bulk gas distribution
    • stainless steel seamless tubing specifications of ASTM A213/A269
    • stainless steel seamless tubing specifications of JIS G3459
    • servicing semiconductors and microelectronics
    • servicing ultra high purity gas delivery system
    • the corrosion-resistant solution to bulk gas and gas cabinet gas used within wafer fab equipment gas systems
Dimension
OD [inch/mm] WT [inch/mm]
1/4″(6.35) 0.022″(0.89)
3/8″(9.53) 0.035″(0.89)
1/2″(12.7) 0.049″(1.24)
3/4″(19.05) 0.065″(1.65)
1″(25.4) 0.065″(1.65)
1.5″(38.1) 0.065″(1.65)
2″(50.8) 0.065″(1.65)
2.5″(63.5) 0.065″(1.65)
3.0″(76.2) 0.065″(1.65)
4.0″(101.6) 0.083″(2.11)
Finish Code
Product Code
Specifications
ASTM/JIS
Choice of
Pre-Materials
Surface Roughness
(Max)
EP
UHP-018
A213/A269
JIS G3459
SUS316L (JIS)
316L
ID < 10 RA < 0.25 μm
OD < 32 RA < 0.8 μm
BA
UHP-012
A213/A269
JIS G3459
SUS316L (JIS)
316L
ID < 15 RA < 0.38 μm
OD < 32 RA < 0.8 μm
AP
UHP-010
A213/A269
JIS G3459
A269
SUS316L (JIS)
316L
ID < Cold Drawn < Bright Annealed
OD < 40 RA < 0.8 μm