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ASME SA 387 GR 22 ALLOY PLATES


We supply ASME Sa387 Grade 22 Class 2 plates to worldwide fabricators serving the oil, gas and petrochemical industry.

These commercial enterprises oblige a pressure vessel grade which functions admirably in lifted temperatures and our material fills this need well. Furthermore with great consumption and oxidation resistance, Sa387 Grade 22 Class 2 plates are a decent alternative for sharp gas situations as well.

Chhajed Steel & Alloys Pvt. Ltd. stock Sa387 Grade 22 carbon combination plates and have the capacity dispatch around the world.




EQUIVALENTS

BS EN ASTM/ASME DIN
622-515B 10 CRMO910 SA387-22-2 10 CRMO910

SPECIFICATION CHROMIUM & MOLYBDENUM CONTENT ASME SPECIFICATION

Designation Nominal Chromium
Content (%)
Nominal Molybdenum
Content (%)
SA387 Grade 22 2.25% 1.00%

CHEMICAL REQUIREMENTS

Element   Chemical Composition (%)
    SA 387 Grade 22
Carbon: Heat Analysis: 0.05 - 0.15
  Product Analysis: 0.04 - 0.15
Manganese: Heat Analysis: 0.30 - 0.60
  Product Analysis: 0.25 - 0.66
Phosphorus: Heat Analysis: 0.035
  Product Analysis: 0.035
Sulphur (max): Heat Analysis: 0.035
  Product Analysis: 0.035
Silicon: Heat Analysis: 0.50 max
  Product Analysis: 0.50 max
Chromium: Heat Analysis: 2.00 - 2.50
  Product Analysis: 1.88 - 2.62
Molybdenum: Heat Analysis: 0.90 - 1.10
  Product Analysis: 0.85 - 1.15

TENSILE REQUIREMENTS FOR CLASS 2 PLATES

Designation: Requirement: Grade 22
SA387 Grade 22 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 % ...
  Elongation in 2 in. [50mm], min, % 18
  Reduction of area, min % 45 (measured on round specimen)
40 (measured on flat specimen)

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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