Ultra High-Purity (UHP) Seamless Tube for
Semiconductors and Microelectronics
CREST UHP EP Double-Melt tubing product (D/M) is precision-engineered and manufactured to stainless steel seamless tubing specifications of ASTM A213/A269 and/or JIS G3459 with the purpose of servicing ultra high-purity applications such as semiconductors, microelectronics, flat panel display industries (OLED) and poly-silicon solar-cell industries.
| Dimension | |
|---|---|
| OD [inch/mm] | WT [mm] |
| 1/8″(3.18) | [0.5, 0.70] |
| 1/4″(6.35) | [0.89, 1.00] |
| 3/8″(9.53) | [0.89, 1.00] |
| 1/2″(12.7) | [1.00, 1.24] |
| 3/4″(19.05) | [1.65] |
| 1″(25.4) | [1.65] |
| Product Code | Specifications | Choice of Pre-Materials | Surface Finish (max) | ||
|---|---|---|---|---|---|
|
BA UHP-016 |
A213/A269 JIS G3459 |
SUS316L VIM/VAR | ID | < 15 RA | < 0.38 μm |
| OD | < 32 RA | < 0.8 μm | |||
| EP UHP-018 |
A213/A269 JIS G3459 |
SUS316L VIM/VAR | ID | < 7 RA | < 0.17 μm |
| OD | < 32 RA | < 0.8 μm | |||