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.

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Pressure Vessel Steel

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Product Description

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
Product detail presentation

Warehouse inventory
The company's main products include stainless steel plates/coils/tubes and carbon steel plates/coils/tubes as well as galvanized steel plates, galvanized steel coils, tinplate, round bars, steel bars, roof panels, spring steel strips, PPGI, PPGL and other structural steel and pipe fittings , 72 kinds of steel products with more than 2,900 specifications and an inventory of more than 300,000 tons.

Packing & Delivery
The Carbon steel sheet will be packed in seaworthy packing such as steel strips bundles. If you have any special requests
on this, please let us know advanced. We will refer to your email kindly.

1).20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High)

2).40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High)

3).40ft HC:12032mm(Lengh)x2352mm(Width)x2698mm(High)

Customer Reviews

We have also established a professional international trade service team with sales networks all over the world. With many advantages, we cooperate with customers in North America, South America, Europe, Southeast Asia, the Middle East and Africa, and have established operations in Peru, the Philippines, Russia, Ukraine, Belarus, Uzbekistan, Pakistan, Indonesia, Malaysia, South Africa, Sri Lanka, Turkey, Vietnam, Laos, More than 30 countries including Brazil, Thailand, the Middle East, the United Arab Emirates, Morocco, Spain, the United States, New Zealand, and Iran. The customers we cooperate with have high praise for our products. At the same time, we also have a high-quality after-sales service system, so you can choose our team with confidence.

Warehouse Storage

The annual production capacity reaches 2 million tons and the annual revenue is more than 8.9 billion yuan. The company has a warehousing base of 40,000 square meters and maintains an inventory of about 250,000 tons all year round. Complete specifications, convenient and fast loading.

Packing and shipping

It is mainly used for quotations and shipments of domestic import and export trade. In addition, it is an agent for profiles, round steel, angle steel, hexagonal steel, square steel, flat steel and steel plates from major steel mills. It mainly serves the needs of import and export customers.

Customer conversation

As a leading steel pipe manufacturing enterprise in the province, it passed the ISO9001 international quality management system certification in 2019 and passed the American Petroleum Institute API audit certification. In 2019, it was rated as an "A-level tax-paying enterprise". In the same year, it won the Liaocheng Mayor's Quality Award and the honorary title of Shandong Famous Brand Product. It was also one of the top 100 steel trading enterprises in China.

Application field

Our company is a company integrating processing and trading. And we have strong supply capabilities. Our main products include stainless steel, galvanized steel, carbon steel, etc., including steel coils, steel plates, steel pipes, various profile steels, etc., as well as copper, aluminum, titanium and other metal materials. Suitable for construction industry, metallurgical industry, chemical industry, electric power industry, aerospace industry, machinery manufacturing industry, shipbuilding industry, automobile manufacturing industry and other fields.

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Pressure Vessel Steel