Name: JIS G3103 P296GH/P355GH/P235GH Pressure Vessel Steel Plate
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JIS G3103 P296GH/P355GH/P235GH Pressure Vessel Steel Plate

JIS G3103 pressure vessel steel plate is a hot-rolled plate of carbon steel and molybdenum alloy steel for Chinese and high temperature boilers and pressure vessels. The main grades this boiler vessel steel are: SB410, SB450, SB480,SB450M and SB480M.

Email：cong@jsygsteel.com

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product description

JIS G3103 P296GH/P355GH/P235GH Pressure Vessel Steel Plate Description

JIS G3103 is the Japanese standard boiler vessel steel plate, which is widely used in petroleum, chemical industry, power stations, boilers and other industries, boiler and pressure vessel manufacturing, etc. This kind of vessel steel plate not only has very high strength but also has remarkable toughness, wear resistance, fatigue resistance, impact resistance, corrosion resistance, as well as easy processing and molding properties. It is mostly used in the boiler and petrochemical container manufacturing industry.

Product Parameters

Product Name	JIS G3103 P296GH/P355GH/P235GH Pressure Vessel Steel Plate
Production Process	Hot Rolling, Cold Rolling
Material Standards	AISI, ASTM, ASME, DIN, BS, EN, ISO, JIS, GOST, SAE, etc.
Width	100mm-3000mm
Length	1m-12m, or Customized Size
Thickness	0.1mm-400mm
Delivery Conditions	Rolling, Annealing, Quenching, Tempered or Standard
Surface Process	Ordinary, Wire Drawing, Laminated Film

Chemical Composition

Brand	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	0.030	0.030	-
SB480	0.35	0.45	1.30	0.030	0.030	-
SB450M	0.25	0.45	0.98	0.030	0.030	0.45-0.60
SB480M	0.27	0.45	0.98	0.030	0.030	0.45-0.60

Mechanical Properties

Brand	Tensile Strength (MPa)	Yield Strength (MPa)	Elongation Gage 2in. [50mm], %
SB410	410-550	225	21
SB450M	450-590	255	19
SB450	450-590	245	19
SB480	480-620	265	17
SB480M	480-620	275	17

Scope of Application

JIS G3103 boiler vessel plate is widely used in petrochemical, manufacturing and other industries of boiler, pressure vessel manufacturing.

Equivalent Material

Brand	European Standard	German Standard	Japanese Standard	American Standard
SB450	P296GH	A St45, 17Mn4, StE315	SPV 315	A515 GR.55
SB450M	P296GH	A St45, 17Mn4, StE315	SPV 315	A515 GR.55
SB480	P355GH	A St52, 19Mn8, StE355	SPV 355	A537 CL1
SB480M	P355GH	A St52, 19Mn8, StE355	SPV 355	A537 CL1
SB410	P235GH	A St35, HI, StE255	SPV 235	A285 Gr.A, B, C

Factory Display

Mode Of Transport

FAQ

Q1: Are you a manufacturer or a trading company?
A: We are a professional metal products manufacturer based in Shandong, China, with our own production facilities and a strong supply chain. We specialize in carbon steel and stainless steel products, with over 100,000 tons of stock available year-round.

Q2: Where is your company located? Can I visit your factory?
A: Our company is located in Shandong, China. We welcome customers and partners from all over the world to visit our facilities. Please contact us in advance to arrange a visit.

Q3: What products does your company mainly supply?
A: We mainly supply carbon steel and stainless steel products in various forms, including plates, pipes, coils, bars, structural steel (H-beam, channel steel, angle steel), and customized metal components. We cover a full range of specifications to meet diverse customer needs.

Q4: Do you support OEM or customized orders?
A: Yes. We have years of experience in product customization. We can produce according to your drawings, samples, or specific technical requirements. Please contact us with your customization needs.

Q5: What material grades do you offer?
A: For carbon steel, we offer grades such as A36, S235JR, Q235, Q345, and more. For stainless steel, we offer 304, 304L, 316, 316L, 201, 430, and other common grades. Custom grades are available upon request.

Q6: How do you guarantee product quality?
A: Our factory operates under strict QA/QC standards. Every product is inspected during production and before shipment to ensure it meets agreed quality specifications. We can provide mill test certificates and accept thirdparty inspections upon request.