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SA387 / A387 Grade 11 Class 2

At Brown McFarlane, we take pride in our extensive inventory of chrome moly pressure vessel plate, which is specifically designed for use in high-temperature and high-pressure applications. Our inventory includes a wide range of grades and thicknesses, ensuring that we can meet the needs of various industries and applications.

Certified to ASTM A387 Grade 11 Class 2 and ASME SA387 Grade 11 Class 2. 

Plates can also be supplied cut to size or flame cut to any specific shapes you need.

We offer a range of value-added services, including cutting and drilling, to ensure that our customers receive their chrome moly pressure vessel plate in the exact size and shape they require.

SA387 / A387 Grade 11 Class 2

Brown McFarlane holds stocks of chrome moly pressure vessel plate for high temperature purposes.

Certified to ASTM A387 Grade 11 Class 2 and ASME SA387 Grade 11 Class 2. Plates can also be supplied cut to size or flame cut to specific shapes

More information

Highly effective, ASME SA387 Grade 11 Class 2 is used in a variety of industries.

 A387/SA387 Grade 11 Class 2 Chrome Moly (Chromium Molybdenum) steel is alloyed with 1.25% Cr and 0.50% Mo.  These special alloys together give the steel enhanced mechanical properties (tensile & yield) at high working temperatures, along with excellent corrosion and oxidation resistance.

With excellent resistance to high temperatures and corrosion, this type of steel is commonly used in the oil, gas and power generation industry, chemical processing and nuclear power generation facilities. Our stock is ordered with enhanced chemistry and is suitable for retesting on multiple PWHT (Post Weld Heat Treatment) cycles, to meet the most stringent design specifications. You can be rest assured that your equipment will be safe from corrosion and perform at high temperatures. 

Please see below applications of SA387 / A387 Grade 11 Class 2

Applications

  • Flanges
  • Heat exchangers
  • High temperature ducting
  • Pipe clamps
  • Pressure vessels
  • Valves
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Properties

Chemical Requirements
(cast analysis, % by mass, maximum permitted unless indicated otherwise)

C Mn P S Si Cr Mo V
0.05 – 0.17 0.40 – 0.65 0.025 0.025 0.05 – 0.80 1.00 – 1.50 0.45 – 0.65 –

Tensile requirements

Yield MPA Tensile MPA Elongation % (50mm) Reduc’n of area*
310 min 515 – 690 22 min –

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