ASME SA 387 GR.11 CL.1/2 Plates

SA387 GR.11 CL.1/2 Plates

SA 387 GR.11 CL.2 Plate Supplier In Mumbai, ASTM A387 GR.11 CL.1 Pressure Vessel Steel Plates Stockist, SA387 Chromium Molybdenum Grade 11 Class 2 Plates, SA387 GR.11 Class 1 Low Alloy Steel Plate, ASME SA387 Grade 11 Class 1/2 Alloy Steel Plates Stockist in Mumbai, India.

Pressure Vessel A387 GR.11 Class 1 Steel Plate, A387 Grade 11 Class 1 Hot Rolled Steel Plate, SA 387 Grade 11 Class 2 Plate, SA387 Chrome Moly Class 2 GR.11 Plates, A387 GR.11 CL.2 CrMo Plates, SA387 GR.11 CL.1 Alloy Steel Plates Supplier & Exporter.

Triton Alloys has gained a reputed position in the market as a leading supplier, stockiest, manufacturer and dealers of SA 387 GR.11 CL.1/2 PLATES. We offer the unmatched quality and durable products to our domestic as well as global patrons. We have experience and extensively knowledgeable professionals that assure to obtain a standard quality product. We make use of top-notch quality raw material for its fabrication process. Also, we utilized advanced technology and innovative tools to obtain national and international standard product. Being as well known firm we meet up all the requirements and needs of our patrons. Thus we make available our standard quality product in customized shapes, size, thickness and grade as per the requirements and needs of the patrons. In order to satisfy our patrons, we avail our products at a quite reasonable price. Thus our manufacturing is done as per the set industrial norms and standards.

Details about grades
ASME SA 387 GR.11 CL.1/2 PLATES are alloy steel plates that are formed with chromium- molybdenum content. In addition to it includes other content such as nickel, tungsten, columbium, and aluminum. These additional elements offer superior resistance to corrosion and high-temperature tensile strength. These plates are ideal in that circumstance where hot liquids and gases are carried out frequently. The plates have a superior capability to tolerate high temperatures in tough circumstances. The plates are basically annealed in various situations that enable superior strength. Thus the addition of chromium content ensures superior resistance to oxidation and oxygen.

EQUIVALENT GRADE OF A387 Grade 11 Class 1/2 Plate

621 B - SA387-11-2 -

These SA 387 GR.11 CL.1/2 PLATES are often recognized as weldable carbon pressure vessel grade plate that generally utilized at elevated temperature. Furthermore, the plates offer superior excellent resistance to stress corrosion cracking, heat, and various corrosive media. The plates have outstanding durability, toughness, and hardness. Thus these are easily machined and fabricated.

Quality checks and inspection details
Strictly quality checks and inspections procedures are done in order to determine the quality of the product. The test is like a drop weight test, high-temperature tension test, magnetic particle examination, additional tension test, Charpy test, ultrasonic test, vacuum treatment. Other more tests are like tensile strength test, chemical analysis, PMI test, flaring test and IGC test. All such test is performed under the guidance of our professional experts to offer an error-free product to the patrons.

Test certificates
We provide approved test certificates to the buyer according to the EN 10204 3.1 or 3.2l. Other more certificates are like raw material test reports and 100% radiography.

We attest the approved documents along with the product that comprises complete details related to the product. These documents are like Certificate origin by legalized manufacturers/ embassy, Commercial invoice, NABL test report, attested certificates by suppliers, heat treatment charts. Furthermore, a test is like a mill test certificates, raw material test reports, quality assurance plan, and fumigation certificate and guarantee letters.

Marking and packaging details
We utilized prominent packaging methods for maintaining the product quality of the products. This packaging provides safety and protection from rust and damage during transit. The products are packed in wooden cases, wooden cartons, wooden boxes, wooden cases, and wooden pallets. We also pack the product as per the requirements and demands of the patrons.

At last appropriate marking is done for easy identification of the product and quantity. The marking includes logo, trademark, and size; lot no, specifications and other details regarding products. Furthermore, we have a broad distribution network that enhances to make timely delivery of the product within 10-22 day as per the order was given by the patrons. To purchase the product one can acquire the product from Triton Alloys at a cost-effective price.


Grade ASME SA 387 GR.11 CL.1/2 Alloy Steel Plate
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)

Chemical Composition Of A387 Alloy Steel GR.11 CL.1/2 Plate

C Mn P S Si Cr Mo
0.04 - 0.17 0.35 - 0.73 0.035 0.035 x 0.44 - 0.86 0.94 - 1.56 0.40 - 0.7

Mechanical Properties Of A387 Cr-Mo Grade 11 Class 1/2 Low Alloy Steel Plates

A387 / SA387 Grade 11 Class 1 Class 2
Tensile Strength (ksi) 60-85 70-90
Tensile Strength (MPa) 415-585 485-620
Yield Strength (ksi) 35 45
Yield Strength (MPa) 240 310
Elongation in 50mm (%) 19 18
Elongation in 50mm (%) 22 22

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We Offers Following Processing for ASTM A387 Grade 11 CL.1/2 Plates
  • ASME SA387 GR.11 Class 1/2 Plates Cutting
  • SA387 Grade 11 CL.1/2 Plates Forming Drilling / Machining
  • SA387 GR.11 CL.1/2 Plate Grinding
  • ASTM A387 Grade 11 CL.1/2 Plate Testing


Forming Drilling / Machining



Price List of SA387 GR.11 CL.1/2 Plates

SA387 GR.11 CL.1/2 Alloy Steel Plate
US $800-3000 / Metric Ton( FOB Price)

Hot Rolled A387 Class 2 GR.11 Steel Plates
US $605-629 / Metric Ton( FOB Price)

ASTM A387 GR.11 CL.2 Boiler Plate
US $800-4000 / Metric Ton( FOB Price)

SA387 GR.11 CL.1 Pressure Vessel Plates
US $500-800 / Metric Ton( FOB Price)

Export Quality ASME SA387 Grade 11 CL.2 Plate
US $560-670 / Ton( FOB Price)

Low Alloy Steel A387 Class 1 GR.11 Plates
US $500-900 / Ton( FOB Price)

Applications of SA387 Alloy Steel Grade 11 CL.1/2 Plates
  • Machine building
  • Pylons and other architectural structures
  • Lifting and mobile equipment
  • Construction of bridges
  • Wearing plates
  • Framework structures
  • Crane booms
  • Containers

Machine building

Pylons and other architectural structures

Lifting and mobile equipment

Construction of bridges

Wearing plates

Framework structures

Crane booms

Rail cars

Stone or iron chutes

Truck frames


Vehicles and transport equipment

Steel constructions

Anti drill plates such as security doors, shot blasting equipment and tumbling machine