SB450 JIS standard Pressure Vessel Steel Plate

Classification :

SB450 boiler steel plate owned a higher yield strength and tensile strength comparing with pressure vessel steel plate SB410.Minimum yield strength of boiler steel plate SB450 shall be 245Mpa,and tensile strength of SB450 pressure vessel steel plate shall be within 450-590Mpa.Now we give the rolling chemical composition of SB450 steel plate in below table,for the thickness over 25mm,the content of carbon may be designated to be within 0.30%,and that of Mn may be within 1.00%.

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Keywords:

Boiler Pressure Vessel Steel

Descriptions:

JIS G3103 specifies the hot rolled steel plates of carbon steel and molybdenum alloy steel to be used for boilers and pressure vessels, excepting those to be used at room and cold temperatures. This standard covers steel SB410, SB450, SB480, SB450M and SB480M.These plates are widely used in the fabrication of boilers and pressure vessels in industries such as petrochemical and manufacturing.

STEEL DIMENSION:
Thickness: 6MM to 300MM,
Width: 1500mm to 4050mm,
Length: 3000mm to 15000mm

Chemical Composition and Mechanical Properties:

SB450 Chemical Composition
Grade	The Element Max (%)
Grade	C	Si	Mn	P	S	Mo
SB450	0.28-0.31	0.15 -0.40	0.90	0.030	0.030

Grade	SB450 Mechanical Property
Grade	Thickness	Yield	Tensile	Elongation
SB450	mm	Min Mpa	Mpa	Min %
	t≦25	245	450-590	19
	25<t≦50	245	450-590	23

Technical Requirements & Additional Services:
High tension test
Chemical Analysis
Low temperature impacting test
Ultrasonic test under EN 10160,ASTM A435,A577,A578
Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
Shot blasting and Painting,Cutting and welding as per end user’s demands

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Boiler Pressure Vessel Steel