Stainless Steel Plate to Fit Your Needs
As a trusted ASTM A240 stainless steel plate supplier, Sabre Alloys specializes in providing hard-to-find grades of stainless steel and duplex stainless plate. We stock wide and thick plate, including widths up to 120 inches in select 2205 thicknesses, giving you access to material that’s difficult to source elsewhere. Our focus on ASME SA240 and ASTM A240 stainless steel plate is backed by in-house processing services, allowing us to deliver material cut and finished to your exact specifications.
Whether you need specialty grade plate for a new application or to strengthen your existing supply chain, our extensive inventory and rush delivery options ensure you get the material you need, when you need it.

Extensive Inventory of Plate in Exotic Grades
We stock a wide range of exotic stainless steel grades, focusing on H grade and Super Duplex plate (2205, 2507). These grades are engineered to withstand extreme temperatures, aggressive chemical exposure, and highly corrosive environments where standard stainless steel falls short. H grades offer enhanced strength retention at elevated temperatures, while our Super Duplex plate combines high tensile strength with exceptional resistance to pitting and stress corrosion cracking.
Because these specialized grades can be difficult to source in the quantities and sizes projects require, we maintain a deep inventory to help keep your supply chain moving. Whether you need material for a single critical component or a large-scale build, our exotic grade plate delivers the durability and performance that demanding applications require.
Stainless Steel Plate Specifications
| Grades | UNS# | Thicknesses | Hardness | Chemical Composition |
|---|---|---|---|---|
| 2205 | S32205 / S31803 | 0.188-2.000″ | 20-30 HRC | Comprised of increased levels of chromium, molybdenum, nickel, and nitrogen |
| 2507 | S32750 | 0.188-3.000″ | 25-32 HRC | 25% chromium, 4% molybdenum, 7% nickel, and low carbon amounts (up to 0.03%). |
| 304/304H | 30400 / 30409 | 0.188-3.500″ | 16-22 HRC | A well-balanced blend of steel, chromium (≥ 18%), and nickel (≥ 8%). Grade 304H is a high-carbon version of regular Grade 304 (between 0.04 and 0.1% percent). |
| 304/304L | 30400 / 30403 | 0.188-6.000″ | 15-20 HRC | A well-balanced combination of steel, chromium (≥ 18%), and nickel (≥ 8%). Grade 304L is a low-carbon version of regular Grade 304 (≤ 0.03% compared to ≤ 0.07%). |
| 316/316L | 31600 / 31603 | 0.188-6.000″ | 15-20 HRC | A blend of chromium (16-18 percent), nickel (10-14 percent), molybdenum (2-3 percent), and a small amount of carbon. |
| 321/321H | 32100 / 32109 | 0.188-3.500″ | 16-22 HRC | Grade 321 stainless steel is a standard 18/8 chromium-nickel alloy reinforced by titanium and niobium. Grade 321H contains more carbon (between 0.04% to 0.1%) than regular 321 (≥ 0.08%). |
| 347/347H | 34700 / 34709 | 0.250-3.500″ | 16-22 HRC | Grade 347 stainless steel is an 18/8 chromium-nickel alloy reinforced by columbium and tantalum. Grade 347H contains more carbon (between 0.04% to 0.1%) than regular 347 (≥ 0.08%). |
Your Quality Supplier & Distributor of Strong, Corrosion & Heat-Resistant Grades
Whether you need material for a new product application or you want to replace your existing supply, let our talented staff at Sabre Alloys be your partners for sourcing exotic, high-quality stainless steel. Request a quote today.
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Plate Custom Processing Services
Sabre Alloys provides in-house processing to match your exact customer specifications, reducing lead times and eliminating the need to coordinate with outside vendors.
Our capabilities include plasma cutting and waterjet cutting, allowing us to deliver precise cuts across a wide range of plate thicknesses and grades. For projects with tight timelines, we offer same-day or next-day processing services to ensure your project stays on track and your order is complete without unnecessary delays.
Other Products
In addition to our flat rolled, we also stock or have access to other items to fill your bill of materials.
- Bar: Round, flat and hex
- Structural: Angle, channel and beams
- Pipe: Welded and seamless
Stainless Steel Plate for Demanding Industries
Our stainless steel and duplex plate are trusted across industries that demand durability, high performance, and long-term reliability, including:
- Marine: For high corrosion resistance in harsh environments.
- Petrochemical: For robustness and material integrity under extreme pressure, temperature, and chemical exposure.
- Aerospace: For superior strength-to-weight ratios and resistance to high temperatures.
Explore our full range of industries served to see how we can meet the specific demands of your application.
Partner With Sabre Alloys for Stainless Steel Plate
Choosing Sabre Alloys means benefiting from our deep network of mills, enabling faster lead times for hard-to-source materials. Our ASTM A240 stainless steel plate are processed to meet the highest industry standards.
At Sabre Alloys, we’re proud to offer true service and real solutions. Request a Quote today and see how we can meet your stainless steel plate and bar requirements with speed and precision.
committed to you
The Sabre Alloys Difference
Quality processed materials and just-in-time delivery assists our customers in maximizing their productivity at competitive pricing. A highly trained staff, extensive inventory and processing equipment provides our customers a high level of service with prompt shipments of standard size materials and customer specific cut parts.
Sabre Alloys is committed to the ASME code fabricators and the major industries in the gulf coast region. Our goal is to become the supplier of choice, not just to our customers, but to our vendors as well by staying “a cut above” the rest.