Name: A204 Pressure Vessel Steel Plate
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A204 Pressure Vessel Steel Plate

ASTM A204 boiler vessel plate is molybdenum alloy steel plate, mainly suitable for welding boilers and high temperature pressure vessels.

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product description

A204 Pressure Vessel Steel Plate Description

According to the molybdenum content, ASTM A204 boiler vessel plate is divided into 3 grades: A, B, C. The thickness of ASTM A204 boiler vessel plates is limited only by the ability of the chemical composition to meet the specified mechanical property requirements. ASTM A204 boiler vessel plates are widely used in petroleum, chemical industry, power station, boiler and other industries, particularly in the manufacture of reactors, heat exchangers, separators, spherical tanks, liquefied gas, nuclear reactor pressure vessels, boiler drum steam, liquefied petroleum gas, hydropower stations, high pressure pipelines, etc.

Product Parameters

Product Name	A204 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

A204	Upper limit of Chemical Element Content (%)
A204	C	Si	Mn	P	S	Mo
Class A	0.18-0.25	0.13-0.45	0.90-0.98	0.035	0.035	0.45-0.60
Class B	0.20-0.27	0.13-0.45	0.90-0.98	0.035	0.035	0.45-0.60
Class C	0.23-0.28	0.13-0.45	0.90-0.98	0.035	0.035	0.45-0.60

Mechanical Properties

A204	Tensile Strength kis [MPa]	Yield Strength kis [MPa]	Elongation Gauge length 8in. [200mm], %	Elongation Gauge length 2in. [50mm], %
Grade A	70-90 [485-620]	37 [255]	19	23
Grade B	75-95 [515-655]	40 [275]	17	21
Grade C	75-95 [515-655]	43 [295]	16	20

Physical Performance

Physical Performance	Metric	Imperial
Density	7.80 g/cc	0.282 lb/in³

Scope of Application

ASTM A204 boiler vessel plate is widely used in petroleum, chemical industry, power station, boiler and other industries, used in the manufacture of reactors, heat exchangers, separators, spherical tanks, liquefied gas, nuclear reactor pressure vessels, boiler drum steam, liquefied petroleum gas, hydropower stations, high pressure pipelines, etc.

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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.