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ASTM A299 GR.A Mn-Si Alloy Pressure vessel steel plate

ASTM A299 /A299M covers manganese, silicon carbon steel plate for used in welded boiler and others pressure vessels in steel grade A299 Grade A and A299 Grade B. ASTM A299 plates in 50 mm and under in thickness are normally supplied in the as-rolled condition. Plates may be ordered normalized or stress relieved, or both.

Classification :

Boiler Pressure Vessel Steel

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ASTM A299 GR.A Mn-Si Alloy Pressure vessel steel plate Descriptions:

Carbon steel with Manganese-Silicon plate SA299 Grade A,SA299 Grade B under steel specification standard ASME SA 299/SA 299M.There are other two steel grades A299 Grade A and A299 Grade B owned the similar steel properity which is according to ASTM A 299/A 299M.As for the heat treatment, steel plate A299 Grade A and A299 Grade B equal and under 50 millimeter are normally rolled in the as-rolled condition,pressure vessel steel plate.
According to ASTM A299/A299M standard, steel plate A299 Grade A and A299 Grade B shall be chosed in the following technical conditions: S1.Vacuum treatment, S2. Product analysis. S3. Simulated post weld heat treatment of mechanical test coupons, S4. Additional tension test, S5. Charpy V-notch impact test, S6. Drop weight test, S7. High temperature tension test.

Chemical Composition and Mechanical Properties:

A299 Grade A Chemical Composition
Grade	The Element Max (%)
Grade	C	Si	Mn	P	S	Mo
A299 GR.A	0.28-0.30	0.13-0.45	0.84 -1.62	0.035	0.035	-

Grade	A299 Grade A Mechanical Property
Grade	Thickness	Yield	Tensile	Elongation
A299 GR.A	mm	Min Mpa	Mpa	Min %
	t≦50	275-290	515-655	19
	50<t≦200	275-290	515-655	19

Steel Grade : A 299 Grade A, A 299 Grade B.
Dimension(T*W*L) : Thickness: 8mm to 300mm ; Width: 1500mm to 4020mm ; Length: 4000mm to 18000mm
Adopt Standard: ASTM A299 and ASME SA 299.
Heat Treatment: Hot Rolled, CR, Normalized, Quenched, Tempering, TMCP, Electroslag Remelting Technical.
Steel Services: Cutting, Painting, Ball blast, Pretreatment and the Third party in section in DNV, BV, LR, GL, ABS and CCS in super thick ship steel plate

ASTM A299 Grade A boiler steel plate,ASME SA299 Grade A pressure vessel steel plate are specification for carbon steel and Manganese-Silicon. As for thin plate SA299 Grade A which produced from steel coil SA299 Grade A and furnished without heat treatment or just with stress relieving only,the additional requirements,including additional testing requirements and the reporting of additional test results shall be applied for A20/A20M steel standard.

Technical Requirements & Additional Services:

High tension test
Low temperature impacting test
Normalised for thick plates over 40mm
Simulated post-welded heat treatment (PWHT)
Issued Orginal Mill test certificate under EN 10204 FORMAT 3. 1/3. 2
Shot blasting and Painting, Cutting and welding as per end user’s demands

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Factory appearance and appearance

The company mainly engaged in steel production, sales and other businesses. The main products include all kinds of steel plate, steel pipe, bar, profile and other materials and section steel. At the same time is a number of domestic large steel mill level agents, with a certain price advantage.

Packing and delivery

For many years, the company has been established, adhering to the purpose of "respecting contract, keeping faith, customer first, reputation first, quality first", adhering to the customer demand as the center, to "achieve what customers think, think what customers think" business philosophy, to "one sale, small profit, real price, timely delivery" business principle, we manage all kinds of specifications and materials of steel pipe and profile for customers.

Application field

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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Over the years since its establishment, the company has been adhering to the purpose of "honoring contract, keeping faith, customer first, reputation first, quality first", adhering to the customer demand as the center, to "reach customer think, think customer think" business philosophy.

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WELCOME TO INQUIRE

The company guarantees the quality of its products with its strong financial strength, advanced management experience and strict quality control system for incoming goods. Excellent products and good reputation are well-known all over the country, and have won the trust and support of major steel mills and customers. Welcome to inquire, negotiate or visit our company in person. Welcome to inquire, negotiate or visit our company in person.

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FAQ

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.

Q2 : What product information do I need to provide?

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

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

A : Sure,we have agent to arrange the shipment, we will do it together with you.

Q4:Do you have the products in stock?

A:We have the products in stock. Also, we can produce for your order.

Q5:Do you offer after-sales services?

A : Of course. We have a perfect after-sales service system, if you have any questions, please feel free to contact us. We will do it to your satisfaction.

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.

Q7:What are the advantages of your company？

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

Q8 : Are you a factory or trading company?

A : We are a professional steel factory with many years of experience, perfect manufacturing process, quality assurance!

Boiler Pressure Vessel Steel