316 Annealed

What is 316 Annealed Stainless Steel? And Why It Matters

316 Annealed Stainless Steel is a high-performance alloy known for its exceptional corrosion resistance, strength and formability. The term “annealed” refers to a heat treatment process that softens the metal after cold working, restoring its ductility and toughness. The annealing process improves the steel’s ability to resist stress corrosion cracking and pitting in extreme environments, especially those with chloride exposure.

Thanks to its austenitic structure and the addition of molybdenum, 316 Stainless Steel offers better resistance to saltwater, chemicals and acids than many other grades, widely recognized for its toughness across temperatures and its strength under pressure. Together, these characteristics make it one of the most versatile materials in industrial, marine and architectural applications.

Chemical Composition and Mechanical Properties of 316 Annealed

The typical composition of 316 Stainless Steel includes 16-18% chromium, 10-14% nickel and 2-3% molybdenum with trace amounts of manganese, silicon and carbon. Adding molybdenum significantly boosts resistance to pitting and crevice corrosion in chloride-rich environments.

In its annealed condition, 316 Stainless Steel exhibits the following approximate mechanical properties:

Yield strength: 30,000 psi

Ultimate tensile strength: 75,000 psi

Elongation: 40% in 2 inches

Hardness: Rockwell B 80

316 Stainless Steel’s properties make it both strong and workable. Annealing also enhances weldability by reducing internal stresses and restoring the steel’s original microstructure. Compared with 304 Stainless Steel, 316 maintains its mechanical integrity at higher temperatures and offers superior corrosion resistance against sulfuric and hydrochloric acids.

Available Stock Formats and Specifications

Trinity Brand offers 316/316L Annealed Stainless Steel in a wide range of stock formats to support precision manufacturing and custom fabrication. Available options include:

Flat sheets and plates

Shim stock rolls and strips

Adhesive-backed shim stock for secure placement

Custom-cut blanks and large coils

Standard thicknesses range from 0.001 inches to 0.250 inches with widths and lengths suitable for small-scale prototyping or large-volume production. This material is provided in a bright annealed finish or if not suitable, we can possibly find the specific finish, to fit your requirements.

All 316 Annealed Stainless Steel from Trinity Brand is fully certified, traceable, and with a full chain of custody originating from the originating mill of melt. Also meeting aerospace specifications of ASTM A240, A666, AMS 5507 and AMS 5524. If your required dimensions are not listed, you can request a Create Custom Cut directly on the product page. For more complex needs, explore Trinity Brand’s Fabrication Services to achieve precise tolerances and configurations.

Industries and Applications Where 316 Annealed Performs

316 Annealed Stainless Steel serves as a go-to material across industries that require reliability and resistance to corrosive environments. Its combination of strength, workability and surface finish makes it ideal for:

Marine equipment such as boat fittings, propeller shafts and fasteners exposed to seawater

Chemical processing equipment including tanks, valves and heat exchangers

Food and beverage machinery where cleanliness and corrosion resistance are critical

Medical devices and surgical instruments due to its biocompatibility and sterilization tolerance

Architectural and construction components like handrails, cladding and hardware for coastal buildings

Pharmaceutical and laboratory equipment where contamination control is essential

316L, the low-carbon variant, is especially beneficial in welded applications, minimizing carbide precipitation and maintaining corrosion resistance even in the heat-affected zones. The alloy’s ability to perform under both high and cryogenic temperatures makes it valuable in industrial settings where thermal cycling is common.

Fabrication Benefits of Annealed 316

The annealed condition gives 316 Stainless Steel superior formability and machinability compared to hardened versions. It bends and shapes easily without cracking, allowing manufacturers to produce tight-tolerance parts for demanding projects. Welding is straightforward using TIG, MIG or resistance methods, and post-weld annealing is not usually needed for 316L grades.

316 Annealed Stainless Steel can also be machined efficiently with sharp tools and moderate cutting speeds. Its reduced hardness in the annealed state helps prevent tool wear while achieving smooth surface finishes, helping manufacturers with faster production and consistent dimensional accuracy. Trinity Brand supports customers through Fabrication Services such as shearing, slitting, laser cutting and deburring for production-ready components with minimal setup.

Why Choose Trinity Brand Industries for Your 316 Annealed Supply

Trinity Brand Industries has a hard-earned reputation as a trusted source for precision metals, offering broad inventory and technical support for both standard and custom stainless steel materials. Our customers benefit from:

Complete material test reports (MTRs) and traceable certifications offering a full chain of custody from the originating mill of melt

Strict quality control for every batch and cut-to-size order

Fast lead times and responsive customer service

Expert assistance for material selection and fabrication planning

Whether you’re in the market for a single precision shim or bulk sheet or coil supply, Trinity Brand provides dependable solutions backed by decades of experience in metal distribution and manufacturing support.

Get Started with Your 316 Annealed Order Today

Ready to source 316 Annealed Stainless Steel for your next project? Browse the available sizes and thicknesses or request a quote.

You can also reach out to our technical team for guidance on alloy selection, performance comparisons or fabrication assistance. With certified materials, flexible ordering and proven reliability, Trinity Brand is your true partner for precision stainless steel solutions.

Request Information Create Custom Cut

316/316L Annealed Stainless Steel Shim Flat Sheets

(106)

316 Annealed Shim Stock Assortments

(2)

316/316L Annealed Stainless Steel Shim Rolls

(59)

316 Annealed Shim Stock Flat Sheets

(91)

Each piece has 3M adhesive peel off backing that keeps the shim in place.

316 Annealed Stainless Steel is an austenitic chromium-nickel stainless steel containing molybdenum which increases general corrosion resistance, improves resistance to pitting from chloride ion solutions, and provides increased strength at elevated temperatures. This austenitic class contains the most formable, weldable, and corrosion-resistant stainless steel grades, but they cannot be heat treated. Properties are more similar to those of Type 304 except that this alloy is somewhat stronger at elevated temperatures. Corrosion resistance is improved, particularly against sulfuric, hydrochloric, acetic, formic, and tartaric acids; acid sulfates, and alkaline chlorides. Type 316L is an extra-low carbon version of Type 316 that minimizes harmful carbide precipitation due to welding assuring optimum corrosion resistance.

What Are 316 Annealed Shim Stock Sheets Used For?

316 annealed shim stock sheets are used across applications that require corrosion resistance, dimensional accuracy, and simple fabrication. Annealed condition provides greater flexibility and workability than full hard stainless steel shim stock, making these sheets suitable for custom cutting, forming, and fabrication projects.

316 annealed shim stock sheet is often selected when a project needs precise spacing, reliable alignment, and long-term performance in harsh environments. Since 316 stainless steel contains molybdenum, it provides excellent resistance to chlorides and many corrosive chemicals.

Common applications:

Marine and offshore equipment
Chemical processing systems
Food and beverage manufacturing
Aerospace assemblies
Equipment alignment and spacing

316 stainless steel shims are specified in environments where moisture, chemicals, and corrosion exposure are constant concerns. 316 annealed stainless steel is one of the strongest choices for engineers, maintenance teams, and fabricators seeking a stainless steel shim material that can be cut, formed, and placed with confidence.

Benefits of 316 Annealed Stainless Steel Shim Sheets

Trinity Brand Industries supplies 316 annealed shim stock sheets made to meet the most demanding industrial requirements. Through its combination of corrosion resistance and improved formability, this material is ideal for a wealth of fabrication and maintenance applications.

Top benefits:

Excellent Corrosion Resistance: Performs well in marine, chemical, and high-moisture environments.
Enhanced Formability: Easier to cut, shape, and fabricate compared to full hard material.
Precision Thickness Control: Supports accurate spacing and alignment.
Flat Sheet Format: Ideal for custom fabrication and larger coverage areas.
USA-Made Quality: Reliable material consistency and traceability.

These characteristics come together to make 316 annealed shim sheets a trusted choice for engineers, maintenance teams, and fabrication professionals who need both performance and versatility. For applications requiring multiple thicknesses for field adjustments, Trinity Brand Industries also offers 316 annealed shim stock assortments.

Can't find your material dimensions below? Click "Create Custom Cut” here or in the tab below. For “Fabrication Services” click here or above in the menu.

Why Choose Flat Shim Stock Sheets?

Flat shim stock sheets offer flexibility for applications demanding custom dimensions, larger surface coverage, or fabricated components. Unlike shim rolls, which are usually used when narrow strips are needed, flat sheets provide a larger working surface for cutting multiple parts from a single piece of material.

Flat sheet shim stock is frequently selected for:

Custom-cut spacers and shims
Prototype and fabrication projects
Maintenance and repair work
Equipment installation and alignment
Manufacturing operations needing larger material sections

Flat sheets are invaluable when a project calls for wider parts, larger coverage areas, or multiple custom shapes from the same piece of material. For customers needing roll-based material, Trinity Brand Industries also offers 316 stainless steel shim rolls.

For exact dimensions or specialized shapes, Trinity Brand Industries’ laser cut shims and sheet metal fabrication services minimize fabrication time and material waste.

Can't find your material dimensions below? Click "Create Custom Cut” here or in the tab below. For “Fabrication Services” click here or above in the menu.