ASME SA 387 GRADE 22 Class 2 Boiler Pressure Vessel Steel

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Product introduction Technical Data

Product introduction

ASME SA 387 GRADE 22 Class 2,ASME SA387 Grade 22 Alloy Steel 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 2 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	SA387-22-2	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 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 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

ASME SA 387 GRADE 22 Class 2 steel