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UHP Seamless Tube Products

CREST HPS

Ultra High-Purity (UHP) Seamless Tube Products for

Semiconductors and LCD Display Devices

CREST HPS is precision-engineered and manufactured as seamless according to ASTM A213/A269/A270 or JIS G3459 with the specific purpose of servicing ultra high-purity applications for semiconductors, display industries such as LCD, OLED and LED and poly-silicon manufacturers for solar cells.

Dimension
OD [inch/mm] WT [inch/mm]
1/4″(6.35) 0.035″(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)
Code Specifications Pre-Materials Surface Finish (max)
AP A213/A269 316L ID < 40 RA < 0.8 μm
OD < 40 RA < 0.8 μm
BA A213/A269 316L ID < 15 RA < 0.4 μm
OD < 32 RA < 0.8 μm
EP A213/A269 316L ID < 10 RA < 0.25 μm
OD < 32 RA < 0.8 μm

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