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ASME SA 387 GR 11 ALLOY PLATES


As pressure vessel plate evaluation for utilization in lifted temperature administration, ASME Sa387 Grade 11 Class 2 is utilized as a part of a mixed bag of businesses and is exceptionally successful, especially in the oil, gas and petrochemical industry, where fluids and gases are frequently put away at higher temperatures.

The more elevated amounts of chromium additionally give brilliant consumption and oxidation safety, which is an absolute necessity in sharp gas applications.

Chhajed Steel & Alloys Pvt. Ltd. supplies Sa387 to customers and fabricators worldwide from our considerable stockholding here in the India.

If you don't mind allude to our specialized particulars beneath for ASME Sa387 Grade 11 Class 2...




EQUIVALENTS

BS EN ASTM/ASME DIN
621 B ... SA387-11-2 ...

SPECIFICATION CHROMIUM & MOLYBDENUM CONTENT ASME SPECIFICATION

Designation Nominal Chromium
Content (%)
Nominal Molybdenum
Content (%)
SA387 Grade 11 11 1.25% 0.50%

CHEMICAL REQUIREMENTS

Element   Chemical Composition (%)
    SA 387 Grade 11
Carbon: Heat Analysis: 0.15 max
  Product Analysis: 0.15 max
Manganese: Heat Analysis: 0.40 - 0.65
  Product Analysis: 0.35 - 0.73
Phosphorus: Heat Analysis: 0.035
  Product Analysis: 0.035
Sulphur (max): Heat Analysis: 0.035
  Product Analysis: 0.035
Silicon: Heat Analysis: 0.50 - 0.80
  Product Analysis: 0.44 - 0.86
Chromium: Heat Analysis: 1.00 - 1.50
  Product Analysis: 0.94 - 1.56
Molybdenum: Heat Analysis: 0.45 - 0.65
  Product Analysis: 0.45 - 0.70

TENSILE REQUIREMENTS FOR CLASS 2 PLATES

Designation: Requirement: Grade 11
SA387 Grade 11 Tensile strength, ksi [MPA] 75 to 100 [515 to 690]
  Yield strength, min, ksi [MPa]/(0.2% offset) 45 [310]
  Elongation in 8 in. [200mm], min % 18
  Elongation in 2 in. [50mm], min, % 22
  Reduction of area, min % ...

Tension Test Requirements: The material shall be tested using a test specimen and will confirm to the tensile requirements as outlined in above table.


Other requirements: The following requirements and testing procedures (which are not mandatory) are considered suitable for Chrome Molybdenum steel:


   Vacuum treatment
   Product Analysis
   Additional Tension Test
   Charpy V-Notch Impact Test
   Drop Weight Test
   High Temperature Tension Test
   Ultrasonic Examination
   Magnetic Particle Examination



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