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ASME SA387
ASME SA387 Grade 5 Class 2 | ASME SA387 Grade 9 Class 2 | ASME SA387 Grade 11 Class 2
ASME SA387 Grade 12 Class 2 | ASME SA387 Grade 22 Class 2
ASME SA387 Grade 91 Class 2



Masteel are stockists and suppliers of SA387 Grade 22 Class 2 chrome molybdenum plates for weldable pressure vessels and boilers. We supply ASME SA387 Grade 22 Class 2 plates to global fabricators serving the oil, gas and petrochemical industry.

These industries require a pressure vessel grade steel which works well in elevated temperatures and our material serves this purpose well. And with good corrosion and oxidation resistance, SA387 Grade 22 Class 2 plates are a good option for sour gas environments too.

Masteel stock SA387 Grade 22 carbon alloy plates and are able to dispatch worldwide.

Equivalents

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


Specifications

Chromium & Molybdenum content (according to the ASME specification):

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


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)


Chemical Requirements

Element   Chemical Composition (%)
    SA387 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


Tension Test Requirements:

Material shall be tested using a test specimen will confirm to the tensile requirements as outlined in Table 2.

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

Find out more about our ASME SA387 Grade 22 Class 2 steel plates – please click  CLICK HERE  to contact us.










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Equivalent Grades :


Our Steel Products :

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  Pressure Vessel Steel
  Boiler Quality Steel
  HIC Resistant Steel
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  Stainless Steel
  Composite Clad Plates
  Weathering Steels
  Structural Steels
  Steel Sections
  High Strength, Low Alloy Steel (HSLA)
  Pipes & Tubulars
  Heat Resistant Steel


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