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ASTM A537 Class 1,2,3 Boiler and Pressure vessel steel plate

ASTM A537 standard refers to pressure vessel plates, material in heat-treated, carbon-manganese silicon steel. Based on different strength and heat treatment, it ranges to Class 1, 2 and 3. The maximum thickness under ASTM A537 Class 1 is 100 mm [4 inch], and 150 mm [6 inch] for Class 2 and Class 3.

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Boiler Pressure Vessel Steel

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ASTM A537 Class 1,2,3 Boiler Plates Description:

The ASTM A537 specification is the Standard Specification for Pressure Vessel Plates, Heat-Treated, Carbon-Manganese-Silicon Steel used in the applications of fusion welded pressure vessels and structures. Typical applications are pressure vessels designed for moderate and lower-temperature service requiring excellent notch toughness as well as API 650 and API 620 storage tanks. Class 1 material is available as Normalized and Class 2 is available as Quenched & Tempered plates.

Chemical Composition and Mechanical Properties:

ASTM A537 Class 3(A537CL3)

MATERIAL	C	Mn	Si	P≤	S≤
ASTM A537 Class 3(A537CL3)	0.24	0.13-0.55	0.92-1.72	0.035	0.035

MATERIAL	Tensile Strength(MPa)	Yield Strength(MPa) MIN	% Elongation MIN
ASTM A537 Class 3(A537CL3)	485-690	275-380	20

ASTM A537 Class 2(A537CL2)

MATERIAL	C	Mn	Si	P≤	S≤
ASTM A537 Class 2(A537CL2)	0.24	0.13-0.55	0.92-1.72	0.035	0.035

MATERIAL	Tensile Strength(MPa)	Yield Strength(MPa) MIN	% Elongation MIN
ASTM A537 Class 2(A537CL2)	485-690	315-415	20

ASTM A537 Class 1(A537CL1)

MATERIAL	C	Mn	Si	P≤	S≤
ASTM A537 Class 1(A537CL1)	0.24	0.13-0.55	0.92-1.72	0.035	0.035

MATERIAL	Tensile Strength(MPa)	Yield Strength(MPa) MIN	% Elongation MIN
ASTM A537 Class 1(A537CL1)	450-585	310	18

Referenced Documents

ASTM Standards:

A20/A20M: Specification for General Requirements for Pressure Vessel Plates
A435/A435: For Straight-Beam Ultrasonic Examination of Steel Plate
A577/A577M: For Ultrasonic Angle-Beam Examination of Steel Plates
A578/A578M: For Straight-Beam Ultrasonic Examination of Rolled Steel Plates for Special Applications

Manufacturing Notes:

Steel Plate under ASTM A537 Class 1, 2 and 3 shall be killed steel and comply with fine austenitic grain size requirement of Specification A20/A20M.

Heat Treatment Methods:

All plates under ASTM A537 shall be heat treated as follows:
ASTM A537 Class 1 plates shall be normalized.
Class 2 and Class 3 plates shall be quenched and tempered. The tempering temperature for Class 2 plates shall not be less than 1100°F [595°C] and not less than 1150°F [620°C] for Class 3 plates.

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With strong financial strength, we have set up large factories and warehouses in more than 10 cities across the country, with a stock of more than 100000 tons, saving customers procurement time, ensuring customers' production cycle and product quality, and being the quality partner of end customers.

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1. Samples may be provided by the seller and freight borne by the buyer.
2. We have full stock,and can deliver within short time. Many styles for your choices.
3. Good Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you.
4. All of our products are produce by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service.
5. We have many years of experience in manufacturing and selling steel and we cherish every order from our honor.

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The main supply fields are: aerospace, national defense equipment, military weapons, chemical industry, shipbuilding, nuclear energy, trains, containers, environmental protection, precision machining, auto parts, machinery, electronic products, molds, medical treatment Equipment, construction, decoration, etc.

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With 30 years of experience in R&D and production of high-quality steel, we have been selected as one of China's top 500 enterprises for 15 consecutive years. With strong financial strength, we have set up large factories and warehouses in more than 10 cities across the country, with a stock of more than 100000 tons

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FAQ

Q3 : It's my first time to import steel products, can you help me with it?

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Q6:What kind of work does your company do?

A:Our company is a professional manufacturer. We mainly produce stainless steel plate/coil/round rod, carbon steel plate/coil,galvanized plate/coil, PPGI coil, roofing sheet and so on.

Q1:Will you offer samples?

A:Yes. We will provide samples according to your needs and send them out within three days after receiving payment.

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A : Please kindly provide the grade, width, thickness, surface treatment requirement should you have and quantities you need to purchase.

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We have international advanced production equipment, large factory buildings, strong company strength, perfect products and reliable quality。

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Boiler Pressure Vessel Steel