ASME SA 387 GR 12 ALLOY PLATES


Built for utilization in hoisted temperature administration, ASME Sa387 Grade 12 is a chrome molybdenum carbon alloy steel for utilization in weldable pressure vessels and modern boilers.

The material advantages from included chromium which gives incredible consumption and oxidation safety making it perfect for harsh administration applications in the oil and gas industry.

Vandan Steel & Engg. co. stocks Sa387 Grade 12 Class 2 and can dispatch to any goal, around the world. All our plates accompany plant confirmation and stampings.

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EQUIVALENTS

BS EN ASTM/ASME DIN
620 B 13 CRMO 45 SA387-12-2 13 CRMO 44

SPECIFICATION CHROMIUM & MOLYBDENUM CONTENT ASME SPECIFICATION

Designation Nominal Chromium
Content (%)
Nominal Molybdenum
Content (%)
SA387 Grade 12 1.00% 0.50%

CHEMICAL REQUIREMENTS

Element   Chemical Composition (%)
    SA 387 Grade 12
Carbon: Heat Analysis: 0.05 - 0.17
  Product Analysis: 0.04 - 0.17
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: 0.15 - 0.40
  Product Analysis: 0.13 - 0.45
Chromium: Heat Analysis: 0.80 - 1.15
  Product Analysis: 0.74 - 1.21
Molybdenum: Heat Analysis: 0.45 - 0.60
  Product Analysis: 0.40 - 0.65

TENSILE REQUIREMENTS FOR CLASS 2 PLATES

Designation: Requirement: Grade 12
SA387 Grade 12 Tensile strength, ksi [MPA] 65 to 85 [450 to 585]
  Yield strength, min, ksi [MPa]/(0.2% offset) 40 [275]
  Elongation in 8 in. [200mm], min % 19
  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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