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a387 grade 5 class 2 steel plate,a387 grade 5 class 2 steel chemical composition

a387 grade 5 class 2 steel plate

a387 grade 5 class 2 steel plate under ASTM standard which is a kind of low alloy pressure vessel steel. a387 grade 5 class 2 steel is intended for use it pressure vessels and boilers where the temperature is high. ASTM A387 Grade 5 is particularly suited to this application because of the chromium and molybdenum alloying elements.

a387 grade 5 class 2 steel plate specification:

Grade: a387 grade 5 class 2 Standard: ASTM

Thickness up to 40mm, Width: Up to 3 metres wide, Length up to 12 metres long

a387 grade 5 class 2 steel chemical composition:

Element		Chemical Composition (%) inc. Grade & UNS No.
		Grade 5 (UNS: S50200)
Carbon:	Heat Analysis:	0.15 max
	Product Analysis:	0.15 max
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:	0.030
	Product Analysis:	0.030
Silicon:	Heat Analysis:	0.50 max
	Product Analysis:	0.55 max
Chromium:	Heat Analysis:	4.00 - 6.00
	Product Analysis:	3.90 - 6.10
Molybdenum:	Heat Analysis:	0.45 - 0.65
	Product Analysis:	0.40 - 0.70

a387 grade 5 class 2 steel mechanical property:

Designation:	Requirement:	Grade 5
a387 grade 5 class 2	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)

a387 grade 5 class 2 steel plate application:

a387 grade 5 class 2 steel plate is widely used in heat exchangers, boilers and pressure vessels and in a wide variety of ancillary uses such as pipes, flanges and fittings.

a387 grade 5 class 2 steel plate tension test requirements:

a387 grade 5 class 2 material shall be tested using a test specimen and will confirm to the tensile requirements as outlined in Table 2.

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