Amardeep Steel stands as a dedicated supplier and proficient exporter, specializing in ASTM A387 /
ASME SA387 GRADE 11 Class 1 alloy steel plates. With a steadfast commitment to excellence, Amardeep
Steel delivers top-quality products that align with industry standards, catering to diverse
industrial applications.
Alloy steel plates have found their utility across a diverse spectrum of industries owing to their
enhanced properties. These plates exhibit a range of attributes including but not limited to high
strength, wear resistance, corrosion resistance, toughness, and hardness. The versatility of alloy
steel stems from its inherent capacity to be expertly machined and transformed into plates, thereby
catering to the intricate demands of industrial applications. The manufacturing process of alloy
plates adheres rigorously to international standards, a practice of paramount significance.
These standards serve as a defining compass, delineating the permissible range of quality and properties
that a material or final product should embody. Among the array of plates, ALLOY STEEL SA 387 GR. 11 CL.
1 / 2 plates assume a prominent role, mirroring their widespread usage.
Speaking of the Standard Specification for Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum, the
Grade 11 alloy, encompassing class 1 or 2 plates, conforms to standard 387. Delving further into the
article, a plethora of additional standards and specifications shall be expounded upon. However, prior
to that, it's essential to grasp the foundational elements constituting the alloy.
ALLOY STEEL SA 387 GR. 11 CL. 1 / 2 incorporates an array of elements, some of which are common across
various alloys, while additional elements are introduced, the concentration of which is contingent upon
the specific alloy composition. The roster of these elements comprises:
The composition of these elements, coupled with distinct manufacturing conditions, engenders variation in the characteristics of each plate. This diversity underscores the critical role these plates play in distinct industries. The preeminence of ALLOY STEEL SA 387 GR. 11 CL. 1 / 2 plates is evident in their strategic employment within the oil and gas sectors, the petrochemical industry, and numerous other industrial domains. In contexts where gases and liquids endure elevated temperatures, these plates emerge as a steadfast solution, fortified to withstand extreme thermal conditions.
Width: 1000mm-4500mm
Thickness: 5mm to 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)
| 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 |
| Grade | Thickness | Yield strength | Tensile strength | Elongation in 2" 1) (min %) |
Elongation in 8" 1) (min %) |
|---|---|---|---|---|---|
| Grade 11 Class 1 |
0.185 - 3.60 4.70 - 91.4 |
35 | 60 - 85 | 22 | 19 |
| Grade 11 Class 2 |
0.185 - 3.60 4.70 - 91.4 |
45 | 75 - 100 | 22 | 18 |
| Grade | Product type | Thickness in |
Width |
Length in |
|---|---|---|---|---|
| Grade 11 | Plate |
0.185 - 3.60 4.70 - 91.4 |
60 - 131.9 1500 - 3350 |
73 - 590 1900 - 15000 |
| Designation: | Requirement: | Grade 11 |
| A387 Grade 11 | Tensile strength, ksi [MPa] | 75 to 100 [515 to 690] |
| Yield strength, min, ksi [MPa]/(0.2% offset) | 43 [310] | |
| Elongation in 8 in. [200mm], min % | 18 | |
| Elongation in 2 in. [50mm], min, % | 22 | |
| Reduction of area, min % | ––– |
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