SA387 Gr 22-1x1

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SA387 Gr 22-1x1 Structure Steel

We supply high quality ASME SA387 Gr 12 Class 2 and ASTM A387 Gr22 Class 2 chrome moly pressure vessel steel plates from various origin such as Korea, Japan, China, Belgium & Germany. A387-12-2 and SA387-22-2 are described as “Standard Specification for Pressure Vessel Plates, Chromium-Molybdenum Carbon Alloy Steel “.


ASME SA387 Grade 22 Class 2

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.


622-515B 10CrMo910 A/SA387-22-2 10CrMo910

Chromium & Molybdenum content (according to the ASME specification)

Designation Nominal Chromium Content (%) Nominal Molybdenum Content (%)
A387 Grade 22 2.25% 1.00%

Tensile Requirements of Class 2 Plates

Designation Requirement Grade 22
A387 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

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

Our Sales & Supplier Network

Australia, Pakistan,  Malaysia, Singapore, Taiwan, China,Vietnam, Belgium, Japan, South Korea, Philippines, France, United Kingdom, Indonesia, Thailand, Hong Kong, China, Sweden, United States, Dubai, Finland, Brunei,Germany.

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