Fastener Materials

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Welcome to our material page for  Patriot Bolt and Fastener. Here, you’ll find a broad range of premium materials for our bolts and fasteners, from diverse types of stainless steel to sophisticated alloys. Upholding ISO 9001:2015 standards, we guarantee the strength and durability of our products.

NOTE: The materials listed below are a sample of the metals we work with. 

We’re always open to working with any metals to meet your specific project requirements.

Kris Kolb – CEO and Founder, Patriot Bolt and Fastener

Use this guide to assist in choosing the best material for your application. Dive into the world of specialty materials with us, where we’re dedicated to fulfilling your unique needs.

If you have any questions or need further assistance, please reach out. At Patriot Bolt, we’re here to help you every step of the way.

When precision and speed matter… trust Patriot Bolt and Fastener!

Stainless Steel

Material GradeStainless Steel TypeProperty Description and Characteristics
Alloy 20AusteniticExcellent corrosion resistance in a wide range of environments, particularly resistant to sulfuric acid and other aggressive chemicals. Commonly used in chemical processing, pharmaceuticals, and food processing applications.
Grade 304AusteniticCombines good corrosion resistance, high ductility, and excellent formability. Used widely in architecture, food processing, and chemical equipment.
Grade 304LAusteniticExcellent corrosion resistance and formability. Lower carbon content improves weldability and reduces the risk of sensitization during welding.
Grade 316AusteniticSuperior corrosion resistance, excellent strength and heat resistance. Commonly used in marine environments and applications involving exposure to corrosive chemicals.
Grade 316LAusteniticEnhanced resistance to sensitization and improved weldability due to low carbon content. Widely used in applications requiring excellent corrosion resistance, such as pharmaceutical and medical equipment.
Grade 321AusteniticOffers excellent high-temperature strength, corrosion resistance, and weldability. Often used in applications involving elevated temperatures, such as aircraft exhaust systems and heat exchangers.
Grade 430FerriticGood corrosion resistance, especially in mildly corrosive environments. Commonly used in automotive trim, kitchen utensils, and indoor architectural features.
Grade 439FerriticImproved corrosion resistance compared to Grade 430. Suitable for applications requiring high-temperature oxidation resistance, such as exhaust systems and heat exchangers.
Grade 444FerriticExcellent resistance to corrosion, particularly in chloride-containing environments. Often used in water heaters, heat exchangers, and architectural features.
Grade 446FerriticExceptional resistance to scaling and oxidation at high temperatures due to high chromium content. Commonly used in applications involving elevated temperatures, such as furnace components and exhaust systems.
Grade 410MartensiticHigh strength, durability, and moderate corrosion resistance. Commonly used for its excellent mechanical properties and wear resistance.
Grade 420MartensiticIncreased hardness, strength, and corrosion resistance due to higher carbon content. Ideal for applications requiring enhanced wear resistance and moderate corrosion resistance.
Grade 440AMartensiticHigh carbon content for superior strength, wear resistance, and moderate corrosion resistance. Often used in high-quality cutting tools or surgical instruments.
15-5 PHPrecipitation HardeningCombines high strength, excellent corrosion resistance, and good toughness. Suits applications requiring superior mechanical properties and resistance to stress corrosion cracking.
17-4 PHPrecipitation HardeningKnown for its excellent combination of strength, corrosion resistance, and toughness. Commonly used in aerospace, nuclear, and chemical industries for components that require high strength and corrosion resistance.
Duplex 2205DuplexCombines the benefits of austenitic and ferritic stainless steel. It offers excellent corrosion resistance, high strength, and good weldability. Used in oil and gas, chemical processing, and marine environments.
Zeron 100DuplexOffers outstanding resistance to corrosion and cracking in aggressive environments, including seawater and acidic chloride-containing solutions. Commonly used in offshore oil and gas, chemical processing, and desalination plants.
Super Duplex 2507Super DuplexExhibits enhanced corrosion resistance
Stainless Steel Fastener Materials


Material GradeAlloy TypeProperty Description and Characteristics
B7Chromium-MolybdenumHigh strength and hardness, and wear resistance make it a top choice for high-temperature and high-pressure applications in the oil and gas industry.
B16Chromium-MolybdenumOffers superior strength and heat resistance, ideal for oil and gas applications involving high-temperature and pressure environments such as pressure vessels and fasteners.
4140 HTChromium-MolybdenumHigh strength, toughness, and fatigue resistance make it suitable for heavy machinery and equipment in the oil and gas industry that require reliable performance.
4340 HTChromium-MolybdenumExhibits high strength, toughness, and wear resistance, making it ideal for high-stress components in the oil and gas industry, such as gears and crankshafts in drilling equipment.
Alloy Fasteners Materials


Material GradeAlloy TypeProperty Description and Characteristics
Alloy 600InconelOffers excellent resistance to corrosion and oxidation at high temperatures, ideal for oil and gas applications involving heat exchangers and chemical processing equipment.
Alloy 625InconelExceptional strength and corrosion resistance, suitable for harsh environments in the oil and gas industry such as offshore drilling rigs and subsea equipment.
Alloy 718InconelHigh strength, excellent mechanical properties, and corrosion resistance make it frequently used in demanding environments in the oil and gas industry, such as gas turbines and nuclear reactors.
Alloy 800InconelSuperior resistance to oxidation, carburization, and nitridation at elevated temperatures, used in demanding applications in the oil and gas industry, such as in petrochemical plants.
Alloy 825InconelExcellent resistance to corrosive environments, including sulfuric and phosphoric acids, makes it often used in oil and gas processing equipment.
Alloy X750InconelProvides high strength and excellent resistance to oxidation and corrosion, suitable for high-temperature performance applications in the oil and gas industry such as gas turbine engines.
Alloy B2HastelloyExhibits outstanding resistance to reducing environments, such as sulfuric and hydrochloric acids, used in the oil and gas industry for equipment handling corrosive chemicals.
Alloy B3HastelloyEnhanced resistance to hydrochloric acid and other aggressive chemicals, suitable for chemical processing applications in the oil and gas industry.
Alloy C22HastelloyProvides exceptional resistance to a wide range of corrosive media, used in various applications in the oil and gas industry, such as chemical processing and waste treatment.
Alloy C276HastelloyExhibits excellent resistance to various corrosive environments, including strong acids and chlorides, used in the oil and gas industry in equipment exposed to harsh chemical environments.
Hastelloy XHastelloyKnown for its exceptional oxidation resistance at high temperatures, commonly used in the oil and gas industry for components in gas turbine engines and industrial furnaces.
Superalloy Fastener Materials

At Patriot Bolt and Fastener, our focus is on meeting your unique needs. With a wide array of premium specialty materials, we are fully equipped to manufacture high-quality, custom fasteners made-to-order for your specific application.

We’re always prepared to work with different metals to accommodate your requirements. Remember, your success is our mission. Don’t settle for off-the-shelf solutions when you can have bespoke, precision-engineered fasteners built to your exact specifications.

Have a question or need assistance? We’re here to help. Contact us today to kick-start your custom fastener project with Patriot Bolt and Fastener.