ASME SA 387 Grade 11 Class 1 & 2 Sheet and Plates
If you’re looking for top-notch Nial Sheets and Plates in Houston, USA, you’ve come to the right place! These manufacturers and suppliers are well-known for their high-quality ASME SA 387 Grade 11 Class 1 & 2 Sheets and Plates. Designed to meet strict industrial standards, these products are perfect for pressure vessels and high-temperature applications. Nial is dedicated to quality and timely delivery, ensuring that their plates boast impressive durability, corrosion resistance, and mechanical strength. They serve a wide range of clients, including those in the petrochemical, power generation, and refinery sectors, all while offering competitive pricing and dependable customer support throughout the United States and beyond.
Alloy Steel ASME SA387 GR 11 CL. 1 Plates
SA387 Grade 11 CL. 2 Alloy Steel Plate
ASTM A387 Grade 11 CL.1 / 2 Pressure Vessel Plates
Alloy Steel ASME SA387 GR 11 CL. 1 Plates USA, SA387 Grade 11 CL. 2 Alloy Steel Plate Suppliers Texas, ASTM A387 Grade 11 CL.1 / 2 Pressure Vessel Plates Stockists Houston, Alloy Steel ASME SA387 GR 11 CL. 1 Plates Suppliers in Los Angeles, ASME SA387 GR.11 CL.1 Plates in Houston , A387 Gr 11 Class 2 Chrome Moly Plate in Texas, Alloy Steel ASME SA387 GR 11 CL. 1 Plates California.
Table of Contents
The ASME SA 387 Grade 11 Class 1 & 2 Sheets and Plates are primarily made up of chromium (1.0–1.5%) and molybdenum (0.45–0.65%), which boosts their strength at high temperatures and helps resist oxidation. These grades deliver outstanding tensile strength, typically falling between 415–585 MPa for Class 1 and reaching up to 585 MPa for Class 2, with a minimum elongation of 20%. They also show a yield strength of 205 MPa for Class 1 and 275 MPa for Class 2. The material undergoes normalization and tempering, ensuring it remains stable and performs well over time, even in tough conditions, making it perfect for high-temperature operations.
ASME SA 387 Grade 11 Class 1 & 2 Sheet and Plates Specification
Width: 1000mm-4500mm
Thickness: 5mm-150mm
Length: 3000mm-18000mm
Supply Condition : As Rolled, Normalized Rolling, Furnace Normalizing, Vacuum Degassing, Simulated Post-Weld Heat Treatment or as per customer requirement.
Impact tested : -52° C
Process of Manufacturing : Hot-Rolled (HR)
A387 Grade 11 Cl 1/2 Steel Plate Equivalent Standard
| BS | EN | ASTM/ASME | DIN |
| 621B | – | A387 / SA 387 | – |
Chemical Composition of ASME SA 387 Grade 11 Class 1 & 2 Sheet and Plates
| C | Mn | P | S | Si | Cr | Mo |
| 0.04 – 0.17 | 0.35 – 0.73 | 0.035 | 0.035 | 0.44 – 0.86 | 0.94 – 1.56 | 0.40 – 0.7 |
Mechanical Properties of ASME SA 387 Grade 11 Class 1 & 2 Sheet and Plates
| A387 / SA387 Grade 11 | Class 1 | Class 2 |
| Tensile Strength (ksi) | 60-85 | 75-100 |
| Tensile Strength (MPa) | 415-585 | 515-690 |
| Yield Strength (ksi) | 35 | 45 |
| Yield Strength (MPa) | 240 | 310 |
| Elongation in 200mm (%) | 19 | 18 |
| Elongation in 50mm (%) | 22 | 22 |
| Reduction of area in % | – | – |
Alloy Steel SA387 GR 11 CL. 2 Plates USA, Chromium-Molybdenum Alloy Steel Texas, ASME SA 387 GR. 11 CL 1 and CL 2 Plates Stockholders Houston, Chromium-Molybdenum Alloy Steel Suppliers in Los Angeles, SA387 GR.11 CL 2 Plate Houston , ASTM A387 Grade 11 CL. 1 / 2 Boiler Steel Plates Distributors in Texas, SA387 GR.11 CL 2 Plate California.
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Largest ASME SA 387 Grade 11 Class 1 & 2 Sheet and Plates Manufacturer and Exporter in Houston, USA
Nial Sheets and Plates based in Houston, USA, is a leading supplier and stockist of high-quality metal products, including Sheets, Plates, Coils, Foils, Angles, Channels, Circles, and Slitting Coils, all offered with exceptional service and tailored to meet our customers specific requirements. With a focus on delivering superior products, we cater to a wide range of industries, providing reliable solutions for diverse applications. Our extensive inventory includes Known for our unique finishing techniques and commitment to quality. We are dedicated to ensuring customer satisfaction through dependable service and top-notch products.
Alloy Steel ASME SA387 GR 11 CL. 1 Plates USA, SA387 Grade 11 CL. 2 Alloy Steel Plate Suppliers Texas, ASTM A387 Grade 11 CL.1 / 2 Pressure Vessel Plates Stockists Houston, Alloy Steel ASME SA387 GR 11 CL. 1 Plates Suppliers in Los Angeles, ASME SA387 GR.11 CL.1 Plates in Houston , A387 Gr 11 Class 2 Chrome Moly Plate in Texas, Alloy Steel ASME SA387 GR 11 CL. 1 Plates California.
ASME SA 387 Grade 11 Class 1 & 2 sheets and plates offer numerous advantages, including excellent high-temperature strength and resistance to oxidation and corrosion, making them ideal for demanding applications. Their superior creep resistance ensures durability under pressure, while their chromium-molybdenum composition enhances toughness and weldability. These materials are highly reliable in industries such as power generation, petrochemical, and construction, where performance under extreme conditions is crucial. Additionally, they provide excellent thermal conductivity and stress resistance, ensuring long-term reliability and efficiency in pressure vessels, boilers, and heat exchangers.
Types of ASME SA 387 Grade 11 Class 1 & 2 Sheet and Plates






Alloy Steel SA387 GR 11 CL. 2 Plates USA, Chromium-Molybdenum Alloy Steel Texas, ASME SA 387 GR. 11 CL 1 and CL 2 Plates Stockholders Houston, Chromium-Molybdenum Alloy Steel Suppliers in Los Angeles, SA387 GR.11 CL 2 Plate Houston , ASTM A387 Grade 11 CL. 1 / 2 Boiler Steel Plates Distributors in Texas, SA387 GR.11 CL 2 Plate California.
Are Custom Sizes Available for ASME SA 387 Grade 11 Class 1 & 2 Sheet and Plates?
Yes, we offer custom sizes for ASME SA 387 Grade 11 Class 1 & 2 Sheet and Plates to meet specific project needs. Our team at Nial Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@aaronsheetsplates.com.
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Application Industry of ASME SA 387 Grade 11 Class 1 & 2 Sheet and Plates
You’ll find ASME SA 387 Grade 11 Class 1 & 2 Sheets and Plates widely used in industries that demand high thermal and pressure resistance. They’re ideal for fabricating pressure vessels, heat exchangers, boilers, and components in oil refineries and chemical processing plants. Thanks to their excellent weldability and formability, these plates are a go-to choice for structural applications that face extreme heat and stress. They also play a crucial role in power generation facilities, where their durability and corrosion resistance contribute to the longevity and safety of steam turbine components, reactors, and other high-stress environments.
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