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ASME SA 387 GR 9 ALLOY PLATES


SA387 Grade 9 Class 2 – weldable carbon steel plates for pressure vessels and boilers utilized as a part of lifted temperatures. The material advantages from included chromium and molybdenum which gives the steel more prominent abrasion resistance and imperviousness to high temperature. Sa387 Grade 9 is utilized by fabricators who serve the oil, gas and petrochemical industry.

ASME Sa387 Grade 9 is accessible ex stock structure our India stockroom and we can dispatch to customers on a worldwide premise. Similarly as with all our carbon steel plates, the material accompanies factory affirmation and stampings.




EQUIVALENTS

BS EN ASTM/ASME DIN
... ... SA387-9-2 ...

SPECIFICATION CHROMIUM & MOLYBDENUM CONTENT ASME SPECIFICATION

Designation Nominal Chromium
Content (%)
Nominal Molybdenum
Content (%)
A387 Grade 9 9.00% 1.00%

CHEMICAL REQUIREMENTS

Element   Chemical Composition (%)
    SA 387 Grade 9
Carbon: Heat Analysis: 0.15 max
  Product Analysis: 0.15 max
Manganese: Heat Analysis: 0.30 - 0.60
  Product Analysis: 0.25 - 0.66
Phosphorus: Heat Analysis: 0.030
  Product Analysis: 0.030
Sulphur (max): Heat Analysis: 0.030
  Product Analysis: 0.030
Silicon: Heat Analysis: 1.00 max
  Product Analysis: 1.05 max
Chromium: Heat Analysis: 8.00 - 10.00
  Product Analysis: 7.90 - 10.10
Molybdenum: Heat Analysis: 0.90 - 1.10
  Product Analysis: 0.85 - 1.15
Vanadium: Heat Analysis: 0.04 max
  Product Analysis: 0.05 max

TENSILE REQUIREMENTS FOR CLASS 2 PLATES

Designation: Requirement: Grade 9
SA387 Grade 9 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 test specimens)
40 (measured on flat test 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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