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ASME SA 387 GRADE 22 Class 1
ASME SA 387 GRADE 22 Class 1

ASME SA 387 GRADE 22 Class 1 steel

ASME SA 387 GRADE 22 Class 1,SA387 Grade 22 Alloy Steel Plates Class 1 Plates
We supply plates to global fabricators serving the oil, gas and petrochemical industry. 
Product introduction
ASME SA 387 GRADE 22 Class 1,SA387 Grade 22 Alloy Steel Plates Class 1 Plates
We supply 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 1 plates are a good option for sour gas environments too. 
Technical Data
Equivalents for ASME SA387 Grade 22 Alloy Steel Plates
BS EN ASTM/ASME DIN
622-515B 10 CRMO910 SA387-22-1 10 CRMO910

Specifications for ASME SA387 Grade 22 Alloy Steel Plates
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 ASME SA387 Grade 22 Alloy Steel Plates Class 1 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 for ASME SA387 Grade 22 Alloy Steel Plates
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
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