How to Identify and Measure Fittings
Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.
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About Metal Tubing
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High-Temperature Nickel Tubing
- Temperature Range: -320° to 1200° F
- Bending Method: Tube Bender
Also known as Inconel, this tubing has the highest temperature rating of all the non-stainless steel tubing we offer. It has excellent corrosion and chemical resistance. It’s also seamless—the smooth interior won’t restrict flow. You can flare the ends without splitting the tubing, and weld to connect. All sizes meet ASTM B163, which is an international standard for tubing dimensions.
| OD | Wall Thick. | ID | Max. Pressure | Temper Rating | 1 ft. | 3 ft. | 6 ft. | |
For Use With Abietic Acid, Air, Natural Gas, Oil, Sodium Sulfide, Water | ||||||||
|---|---|---|---|---|---|---|---|---|
| 1/8" | 0.035" | 0.055" | 9,000 psi @ 72° F | Soft | 000000000 | |||
| 1/4" | 0.035" | 0.18" | 4,900 psi @ 72° F | Soft | 000000000 | |||
| 5/16" | 0.028" | 0.257" | 2,900 psi @ 72° F | Soft | 00000000 | |||
| 3/8" | 0.035" | 0.305" | 3,000 psi @ 72° F | Soft | 000000000 | |||
| 3/8" | 0.049" | 0.277" | 4,300 psi @ 72° F | Soft | 000000000 | |||
| 1/2" | 0.035" | 0.43" | 2,200 psi @ 72° F | Soft | 000000000 | |||
| 1/2" | 0.065" | 0.37" | 4,200 psi @ 72° F | Soft | 000000000 | |||
| 5/8" | 0.028" | 0.569" | 1,400 psi @ 72° F | Soft | 00000000 | |||
| 5/8" | 0.035" | 0.555" | 1,800 psi @ 72° F | Soft | 00000000 | |||
| 3/4" | 0.065" | 0.62" | 2,800 psi @ 72° F | Soft | 000000000 | |||
| 1" | 0.065" | 0.87" | 2,100 psi @ 72° F | Soft | 000000000 | |||
| 1" | 0.083" | 0.834" | 2,700 psi @ 72° F | Soft | 00000000 | |||
Super-Corrosion-Resistant Nickel Tubing
- Temperature Range: Not Rated
- Bending Method: Tube Bender
- Compatible Tube Fittings: Compression
Run corrosive substances through this tubing without worrying about pitting and stress cracking. C276 nickel is comparable to Hastelloy. Tubing is seamless, which provides a smooth interior for unrestricted flow. It can be flared without splitting.
Ultra-Corrosion-Resistant Yor-Lok Fittings for Nickel Alloy Tubing
- For Use With: Acetic Acid, Air, Bleach, Cutting Oil, Diesel Fuel, Formic Acid, Fuel Oil, Gasoline, Hydraulic Fluid, Iron Chlorides, Mineral Oil, Salt Water, Steam, Water
- Temperature Range: 0° to 1000° F
- Tubing: Use with seamless soft C276 nickel
- Specifications Met: ASME B31.3
With the best corrosion resistance of any metal tube fittings we offer, these C276 nickel Hastelloy fittings stand up to aggressive chemicals and resist pitting and cracking from stress. Also known as instrumentation fittings, they are made to tight tolerances for use in high-precision applications. They include a nut with two sleeves (ferrules). The sleeves bite into tubing as you tighten the nut, creating a strong, leak-resistant seal. Fittings are compatible with Swagelok®, Let-Lok, and A-Lok fittings.
Front and Back Sleeves for Ultra-Corrosion-Resistant
Yor-Lok Fittings for Nickel Alloy Tubing
- For Use With: Acetic Acid, Air, Bleach, Cutting Oil, Diesel Fuel, Formic Acid, Fuel Oil, Gasoline, Hydraulic Fluid, Iron Chlorides, Mineral Oil, Salt Water, Steam, Water
- Temperature Range: 0° to 1,000° F
- Tubing: Use with seamless soft C276 nickel
- Specifications Met: ASME B31.3
- Compatible With: Let-Lok, Parker A-Lok, Swagelok®
Use these C276 nickel Hastelloy sleeves with Yor-Lok nuts and fittings to create a strong, leak-resistant seal. With the best corrosion resistance of any Yor-Lok sleeves we offer, they stand up to aggressive chemicals and resist pitting and cracking from stress. They are also known as ferrules.
Nuts for Ultra-Corrosion-Resistant Yor-Lok Fittings for Nickel Alloy Tubing
- For Use With: Acetic Acid, Air, Bleach, Cutting Oil, Diesel Fuel, Formic Acid, Fuel Oil, Gasoline, Hydraulic Fluid, Iron Chlorides, Mineral Oil, Salt Water, Steam, Water
- Temperature Range: 0° to 1,000° F
- Tubing: Use with seamless soft C276 nickel
- Specifications Met: ASME B31.3
- Compatible With: Let-Lok, Parker A-Lok, Swagelok®
Use these C276 nickel Hastelloy nuts with Yor-Lok sleeves and fittings to create a strong, leak-resistant seal. With the best corrosion resistance of any metal tube fitting nuts we offer, they stand up to aggressive chemicals and resist pitting and cracking from stress.