ASTM A299 GR.B 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.

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Boiler Pressure Vessel Steel

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Product Details

ASTM A299 GR.B Alloy Pressure vessel steel plate Descriptions:

ASTM A299 Grade B boiler steel plate with minimum yield strength above 325 Mpa,and tensile strength within 550-690 Mpa.Comparing with pressure vessel steel plate A299 Grade A,yield strength above 290 Mpa and tensile strength within 515-655 Mpa,pressure vessel steel plate SA299 Grade B owned a higher values.Additional technical requirements for boiler steel plates SA299 Grade B such as simulated post-weld heat treatment,low temperature impcting test,drop weight test and high temperature tension test.Ultrasonice test have to be done for SA299 Grade B boiler steel plate when rolling in our steel mill.

Chemical Composition and Mechanical Properties:

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

Grade	A299 Grade B Mechanical Property
Grade	Thickness	Yield	Tensile	Elongation
A299 GR.B	mm	Min Mpa	Mpa	Min %
	t≦50	310-325	550-690	19
	50<t≦200	310-325	550-690	19

Technical Requirements & Additional Services:
♦ High tension test
♦ Low temperature impacting test
♦ Normalised for thick plates over 40mm
♦ Simulated post-welded heat treatment (PWHT)
♦ Rolling under standard NACE MR-0175 (HIC+SSCC)
♦ 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

Factory profile

Adhering to the tenet of "integrity first, quality for survival", the company has established a complete marketing channel of "based in North China, radiating the whole country, and facing the world", and has not only established a solid strategic partnership with many domestic and foreign enterprises.We have been committed to product development, production and sales, after more than ten years of efforts, our products have been widely used in various fields.

Packing method: Packing according to customer's requirement.

The company has more than 110,000 square meters of production and processing base, fully introduced the international advanced modern automatic production and processing equipment, and took the lead in passing the ISO9001, TS16949, BV, SGS and other international well-known institutions certification.The products are mainly exported to Italy, Mexico, South Korea, Israel, Turkey, India, Pakistan, Kyrgyzstan, Oman, Kazakhstan, Vietnam, Myanmar and other countries. The company's supply is sufficient, the variety is complete, order production is fast, welcome domestic and foreign manufacturers, traders to contact us.

Company Advantages
1. We are a large-scale production enterprise integrating production, research and development, and can customize the products required by customers.
2. We have a perfect after-sales service system, which can track the problems encountered by customers in production at any time and provide corresponding technical support, so as to share our high-quality resources with customers.
3. After more than ten years of development, the company has complete product varieties and large inventory, which can be delivered in the shortest time.
4. Free samples are available.
5. With obvious price advantage, the company has complete production process, from raw materials to finished products integrated production can maximize the cost savings.