JIS G3103 Carbon&Alloy Steel Plate for Boiler

About JIS G3103 Steel Plate

Thickness: 5mm-100mm
Length: 3000mm-18800mm or as required
Width: 1500mm-4500mm
Application: High-strength Steel Plate, pressure vessel plate, boiler steel plate
Supplementary Technology: hot rolled, controlled rolling, normalizing, annealed tempering, normalizing+ tempering, hardening + tempering, HIC, SSC, SPWHT, Third Party Test.
Surface: Coated or Shot Blasting and Painting.
Delivery state: Hot Rolled, Cold Rolled
Steel Grade: SB410, SB450, SB450M, SB480, SB480M

Product Scope：

JIS G3103 standard includes steel grades: SB410, SB450, SB480, SB450M and SB480M. It 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 low temperatures.

Steel plates of JIS G3103 are widely used in the fabrication of boilers and pressure vessels in industries such as petrochemical and manufacturing. ANSON is an experienced boiler and pressure steel plate supplier which can offer you JIS G3103 steel plate of all grade and dimension range.

JIS G3103 Chemical Composition:

JIS G3103 Steel Grade	C	Si	Mn	P	S	Mo
SB410	0.24-0.30%	0.15-0.40%	0.90%	0.030%	0.030%	-
SB450	0.33%	0.45%	0.98%	0.020%	0.020%
SB480	0.35%	0.45%	1.3%	0.020%	0.020%
SB450M	0.25%	0.45%	0.98%	0.020%	0.020%
SB480M	0.27	0.45	0.98	0.020	0.020

JIS G3103 Mechanical Property

JIS G3103 Steel Grade	Mechanical Property
JIS G3103 Steel Grade	Tensile Strength(MPa)	Yield Strength(MPa) Min	% Elongation in 2 in.(50mm) min	Impacting Test Temperature(°C) Min
SB410	410-550	225	21	0,-10,-20
SB450M	450-590	255	19	0,-10,-20
SB450	450-590	245	19	0,-10,-20
SB480	480-620	265	17	0,-10,-20
SB480M	480-620	275	17	0,-10,-20

JIS G3103 Equivalent Steel Grade:

JIS G3103 Steel Grade	Europe	Germany	Japan	USA
SB450	P296 GH	A St45, 17Mn4, StE315	SPV 315	A 515 gr.55
SB450M	P296 GH	A St45, 17Mn4, StE315	SPV 315	A 515 gr.55
SB480	P355 GH	A St52, 19Mn8, StE355	SPV 355	A537 CL1
SB480M	P355 GH	A St52, 19Mn8, StE355	SPV 355	A537 CL1
SB410	P235 GH	A St35, HI, StE255	SPV 235	A285 Gr.A/B/C

ANSON can supply JIS G3103 steel plates from stock or from reputed steel mills. We also offer steel fabrication service where steel plates can go through processings like cutting (any size and any shape), drilling, welding, milling, machining as you require. If you are interested in buying JIS G3103 steel plate products, contact us now for the latest price or check the following table for equivalent steel grade of JIS G3103.

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