Home / UHP Fittings

UHP Fittings

Ultra High-Purity EP Fittings for

Semiconductors and Flat Panel Display Applications

CREST UHP Fitting Products

    • innovative technology of pre-materials suitable for nano-applications
    • sub-10nm geometries and 3D Nand and Atomic Layer Deposition (ALD)
    • stainless steel seamless tubing specifications of ASTM A213/A269
    • stainless steel welded tubing specifications of ASTM A269/A270
    • stainless steel welded tubing specifications of JIS G3459
    • servicing semiconductors and microelectronics
    • servicing ultra high purity gas delivery system
    • the corrosion-resistant solution to special gases used within wafer fab equipment gas systems
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)
2.5″(63.5) 0.065″(1.65)
3″(76.2) 0.065″(1.65)
4″(101.6) 0.083″(2.11)
6″(152.4) 0.109″(2.77)
40A (48.6) 1.65
50A (60.5) 1.65
65A (72.3) 2.10
80A (89.1) 2.10
100A (114.3) 2.10
150A (165.2) 2.80
200A (216.3) 2.80
250A (267.4) 3.40
300A (318.5) 4.00
400A (406.4) 4.50
Finish Code
Product Code
Specifications
ASTM/JIS
Choice of
Pre-Materials
Surface Roughness
(Max)
EP
FHP-088
FHP-028
FHP-118
A213/A269
A269/A270
A312
JIS G3459
304L
316L
SUS316L
ID < 10 RA < 0.25 μm
OD < 32 RA < 0.8 μm
BA
FHP-022
FHP-012
FHP-112
A213/A269
A269/A270
A312
JIS G3459
304L
316L
SUS316L
ID < 15 RA < 0.38 μm
OD < 32 RA < 0.8 μm
AP
FHP-010
FHP-110
FHP-100
A213/A269
A269/A270
A312
JIS G3459
304L
316L
SUS316L
ID Cold Drawn Bright Annealed
OD < 32 RA < 0.8 μm