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Home > JIS > SB450 Steel plate for Boiler Pressure Vessel

SB450 Steel plate for Boiler Pressure Vessel

SB450 steel plates is a kind of material for boiler and pressure vessel steel. JIS3103SB450 steel plates is characterized by a minimum yield strength of 220 - 295 MPa and by good weldability, so SB450 steel is mainly used to for manufacturing boilers, pressure vessels and pipes transporting hot liquids. the following are JIS3103SB450 steel plate's Chemical composition and mechanical properties.

Standard:JIS G3103

SB450 Steel Plates equal material :ASTM A414 ,DIN 1715 material 1.0435

SB450 steel plate Chemical analysis -% by mass* (max)

SB450 steel Mechanical properties

Grade	C. %	Mn.%	S.	N	Cu	Nb	Ti.	Si.	P.	AL	Cr.	Mo.	Ni	Vi
SB450	0.08-0.2	0.90-1.50	0.015	0.012	0.30	0.020	0.03	0.40	0.025	0.020	0.30	0.08	0.30	0.02

SB450 steel plate chief application:

Grade	Type	Thickness mm	Yield strength Mpa(min)	Tensile Strength MPa	Elongation % (min)	Impact Energy (KVJ) (min)
Grade	Type	Thickness mm	Yield strength Mpa(min)	Tensile Strength MPa	Elongation % (min)	-20°	0°	+20
SB450	Normalized	≤16 16 > to≤40 40 > to≤60 60 > to≤100 100 > to≤150 150 > to≤250	295	460-580	21	27	34	40
			290	460-580	21	27	34	40
			285	460-580	21	27	34	40
			260	460-580	21	27	34	40
			235	440-570	21	27	34	40
			220	430-570	21	27	34	40

SB450 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, spiral case and other equipment and components.

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