Standard Specification for Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum
ASTM A387 Grade 11 Class 1 Steel Description
ASTM A387 Grade 11 Class 1 is a chromium molybdenum Alloy steel plates intended primarily for welded boiler and pressure vessels designed of elevated temperature service. A387 Grade 11 Class 1 max thickness of plates is limited only by the capacity of the composition to meet specified mechanical property requirements.
ASTM A387 Grade 11 Class 1 Steel Characteristics
ASTM A387 Grade 11 is categorized as Alloy Steel. It is composed of (in weight percentage) 0.17% Carbon (C), 0.40-0.65% Manganese (Mn), 0.035% Phosphorus (P), 0.035% Sulfur (S), 0.50-0.80% Silicon (Si), 1.00-1.50% Chromium (Cr), 0.45-0.60% Molybdenum (Mo), and the base metal Iron (Fe).
ASTM A387 Grade 11 Class 1 Steel Dimension
Thickness: 1.5mm -260mm
Width: 1000mm-4000mm
Length: 1000mm-18000mm
ASTM A387 Grade 11 Class 1 Steel Application
ASTM A387 Grade11 class1 pressure vessel steel is widely used in petroleum, chemical industry, power station, boiler, etc, used to make the reactor, heat exchanger, separator, spherical tank, liquefied gas, nuclear reactor pressure vessel, boiler steam drum steam, liquefied petroleum, hydropower station, high pressure pipe.
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