Patriot Bolt Nickel 328 Anti-Seize Thread Lubricant is a nickel-based anti-seize compound rated from cryogenic temperatures to 2500 °F. It gives good makeup torque and dependable breakout torque after high temperature and high load.
Its blend of three solids, mostly nickel, resists seizing and galling on carbon and alloy steel studs in carbon and stainless steel flanges. We supply it in three container sizes, alone or with your bolting order.
Nickel 328 Anti-Seize at a Glance
- Lubricant type
- Nickel anti-seize, three-solid blend
- K-factor
- 0.120 to 0.172, by bolt load
- Solids
- 77%
- Temperature rating
- Cryogenic to 2500 °F
- Best suited to
- Carbon and alloy steel studs
- Containers
- Quart, pint and half pint
Why Use Nickel 328 Anti-Seize
- Wide temperature range. Rated from cryogenic service to 2500 °F.
- Dependable breakout. Good makeup torque and breakout torque after high temperature and high load.
- Resists seizing and galling on threads and nut faces.
- Low oxidation and consistent friction factors.
Makeup and K-Factor
| Bolt load | K-factor |
|---|---|
| Up to 13,000 lb | 0.172 |
| 13,001 to 93,000 lb | 0.144 |
| Over 93,000 to 650,000 lb | 0.120 |
Nickel 328 friction drops as bolt load rises, so the datasheet gives three K-factors. Use the value for your target bolt load when you work out torque from T = K × D × F.
Learn more in our Nut Factor (K) Guide, or run the numbers in the Patriot torque calculator. Our Torque Reference Charts list the K-factor each table assumes.
Typical Properties
| Property | Value |
|---|---|
| Solids | Blend of three solids, mostly nickel |
| Solids content | 77% |
| Temperature rating | Cryogenic to 2500 °F |
| Appearance | Dark, smooth gray paste with slight odor |
| Blending oil | Synthetic |
| Binder | Soap-thickened grease |
| Boiling point | Above 300 °F |
| Specific gravity | 5.6 |
| Solubility in water | Not soluble |
| Rust inhibitors | None |
Values are typical and taken from the datasheet. Confirm suitability for your application.
Container Sizes
| Container | Volume | Net weight |
|---|---|---|
| Quart | 32 oz | 5 lb |
| Pint | 16 oz | 2.5 lb |
| ½ Pint | 8 oz | 1.25 lb |
Applications
- Flange bolting: carbon and alloy steel studs, such as A193 B7 and A320 L7, in carbon and stainless steel flanges.
- High-temperature, high-load joints where seizing and galling are a concern.
- Oxygen systems: Nickel 328 can be used, but its carrier is a hydrocarbon and must not come into contact with the process.
Nickel 328 contains no rust inhibitors. For step-by-step application, see How to Lubricate Flange Bolting.
Handling, Storage and Datasheet
- Store in a cool, dry place away from heat and open flame.
- Keep away from acids.
- Avoid strong acids, oxidizers and reducing atmospheres.
- Decomposition gives off carbon monoxide and carbon dioxide. In a reducing atmosphere, nickel carbonyl, Ni(CO)4, can form.
The Nickel 328 datasheet (PB-LD-302) has the full properties and makeup information in a printable PDF. Ask us for the current safety data sheet before first use.
Nickel 328 Anti-Seize FAQ
What is the K-factor of Nickel 328?
It depends on bolt load: 0.172 up to 13,000 lb, 0.144 from 13,001 to 93,000 lb, and 0.120 from over 93,000 to 650,000 lb.
What temperature is Nickel 328 rated for?
From cryogenic temperatures to 2500 °F.
Can Nickel 328 be used in oxygen service?
It can be used in oxygen systems, but its carrier is a hydrocarbon and must not come into contact with the process.
Does Nickel 328 protect against rust?
It contains no rust inhibitors.
What sizes does Nickel 328 come in?
Quart (32 oz, 5 lb), pint (16 oz, 2.5 lb) and half pint (8 oz, 1.25 lb).
Request a Quote
Tell us the product, container size and quantity. You can also add thread lubricant to a stud bolt or nut order. Call (281) 581-0176 or request a quote.
Related: Moly-B Thread Compound · All thread lubricants · Nickel 328 datasheet (PB-LD-302) · Temperature ratings explained · Nut Factor (K) Guide · B7 stud bolts