JIS G3103 SB450M Pressure Vessel Steel Plate

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%.

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

SB450M Chemical Composition
Grade	The Element Max (%)
	C	Si	Mn	P	S	Mo
SB450M	0.18-0.21	0.15 -0.40	0.90	0.030	0.030	0.45-0.60

 

Grade	SB450M Mechanical Property
	Thickness	Yield	Tensile	Elongation
SB450M	mm	Min Mpa	Mpa	Min  %
	t≦25	255	450-590	19
	25<t≦50	255	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