- IQS Directory
- Industrial Categories
- Stainless Steel Grades
- 6 leading manufacturers
- 48 additional suppliers
- 21 states and provinces
- 16 related categories
Stainless Steel Grades and Suppliers

IQS Directory provides a comprehensive list of stainless steel grades manufacturers and suppliers. Use our website to review and source top stainless steel grades manufacturers with roll over ads and detailed product descriptions. Find stainless steel grades companies that can design, engineer, and manufacture stainless steel grades to your companies specifications. Then contact the stainless steel grades companies through our quick and easy request for quote form. Website links, company profile, locations, phone, product videos and product information is provided for each company. Whether you are looking for stainless steel grade types, stainless steel quality grades, stainless steel composition, or customized stainless steel grades of every type, this is the resource for you.
Suppliers located in IL, CA, MI +18 more states
Leading Stainless Steel Grades Manufacturers
Showing all 6
| Placement No. | Manufacturer | Location | Contact | Actions | |
|---|---|---|---|---|---|
| 1 | Source 21Source 21 is one of the most trusted processors and distributors of stainless steel coil and strip in the industry. We carry 300 series annealed and tempered stainless coil and strip with a focus on light gauge material, including 301, 302, 304/304L, and 316/316L, plus heat-treatable Type 410 and 420 High Carbon grades in the annealed condition, with precipitation hardening and exotic grades available. | Columbus, OH | |||
| 2 | Cada Stainless & AlloysCada Stainless & Alloys has the stainless steel that you need. We also specialize in the supply of stainless steel strips and coils, providing many finishing options, processing options, and other customization options. Check out our extensive offering of stainless steel products in our online catalog and connect with us for more information. Our company is ISO 9001:2008 certified. | Chester, NY | |||
| 3 | Metal AssociatesOur company may have started small, but we quickly grew to handle the largest aluminum orders. Our metals are made from the highest quality materials, and we pledge to offer superior service to all our customers. We don’t want customers who use us one time, we want to establish lifelong relationships with customers that last generations. Contact us for more info! | Pompton Plains, NJ | |||
| 4 | Liberty Specialty MetalsAt Liberty Specialty Metals, we are the Stainless specialists. Whether you need a small sheet for a prototype or mill runs for your yearly production, we can help. Coil/Strip, Tube/Pipe or Rod/Bar we handle it all. We currently stock stainless sheet in 304 and 316 alloys as well as welded stainless tubing in 304 and 316 for heat exchanger applications. | Livingston, NJ | |||
| 5 | Central Steel & Wire CompanyAt Central Steel & Wire Company, we provide a comprehensive selection of stainless steel products to support manufacturers, fabricators, machine shops, and industrial operations across a wide range of markets. Our company supplies stainless steel in numerous grades, forms, thicknesses, and dimensions to meet diverse production requirements, whether customers need corrosion resistance, high strength, heat resistance, or an attractive finished appearance. | Chicago, IL | |||
| 6 | Coast AluminumAt Coast Aluminum, we provide stainless steel products that support manufacturers, fabricators, machine shops, construction companies, and other industrial customers requiring dependable materials for demanding applications. Our company supplies stainless steel in a variety of grades, forms, and dimensions to accommodate structural, architectural, food processing, transportation, marine, and general manufacturing requirements. | Hayward, CA |
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Leading stainless steel grades manufacturers are listed first on this page, each with a website preview and a Request a Quote button on its row.
Additional Stainless Steel Grades Companies
The category’s other stainless steel grades companies are listed on their own page, with location, phone and website where each supplier provides them.
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Stainless Steel Grades Industrial Manufacturing Guides
Stainless Steel Grades: Everything You Need to Know about Types & Uses
This article takes an in-depth look at stainless steel grades. Read further to learn more about topics such as: What are stainless steel grades? Categories of…
6 chapters
Quick Answers
- How many stainless steel grades manufacturers are listed on IQS Directory?
- 6 leading manufacturers and 48 additional suppliers.
- Where are stainless steel grades manufacturers located?
- The listed suppliers are in 21 states and provinces: Illinois (8), California (7), Michigan (5), Ohio (5), Pennsylvania (4), Texas (4), New Jersey (3), Massachusetts (2), and 13 more. 1 supplier does not list a location.
- How do I get quotes from stainless steel grades suppliers?
- Select suppliers in the table and choose Request Quotes. IQS reviews your request and forwards it to every supplier you select.
Stainless Steel Grades
There is an incredible variety of stainless steel grades available, which are categorized into six different series: 100 series, 200 series, 300 series, 400 series, 500 series and 600 series. Of all the different series, the 200, 300 and 400 series are the most common. Stainless steel is graded through consideration of the environment that it will be assigned to.
The typical stainless steel grading system used for stainless steel is the Society of Automotive Engineers (SAE) Grades, which is designated by the SAE, and the UNS grades. Since stainless steel is an iron-based alloy, stainless steel grades contain a minimum of 11% chromium. In addition to chromium, alloys such as molybdenum, copper and titanium may be added to amplify certain properties. Some overarching characteristics of stainless steel include corrosion-resistance, high ductility, weldability and cryogenic toughness. Another benefit of stainless steel grades is that they are totally recyclable, creating increasing demand amongst environmentally-friendly consumers. Additionally, stainless steel grades have wide-ranging applications such as consumer appliances, automotive exhausts, surgical instruments, heaters, valves, knife blades, chemical tanks, heat exchangers and spring clips. As a result, stainless steel grades are utilized in numerous industries including medical, automotive, manufacturing, aerospace, printing, marine and petrochemical.
The different series of stainless steel grades all have unique characteristics. The 100 through the 300 series are all various grades of austenitic stainless steel, which is the most common type of stainless steel in production. Some characteristics that are unique to the 100 series include the composition of austenitic chromium-nickel-manganese alloys that are available in two types: type 101, which can be hardened through cold working; and type 102, which is a more general purpose type of stainless steel. Both types are often used in furniture. The 200 series is also composed of austenitic chromium-nickel-manganese alloys, although the percentages differ. This series includes type 201 and type 202, which mirror the 100 series types. The 300 series is the largest series and are composed of austenitic chromium-nickel alloys. Some types within these series feature the addition of molybdenum for increased corrosion resistance and changing carbon content depending on their designated environment. Types 304 and 316 are the most common types in the 300 series. The 400 series includes various grades of ferritic and martensitic stainless steel and are all composed of chromium alloys. The types of stainless steel in this series are magnetic and typically contain 11% chromium and 1% manganese. The 500 series consists of heat-resistant chromium alloys and is not very large or commonly used. Lastly, the 600 series consists of martensitic precipitation-hardening alloys that can undergo heat treatment and attain high strength levels.
More Stainless Steel Grades Information
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Stainless Steel Grades - Metal Associates |
Stainless Steel Grades - Metal Associates |



