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.

Product Category:

ASTM A299 GR.B Alloy Pressure vessel steel plate


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 (%)
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
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 video

Shandong Mingding Supply Chain Management Service Co., Ltd. was established in 2013, focusing on the production, processing and trade of metal materials. We have a professional team to provide quality service, we sincerely welcome customers at home and abroad to visit our company for guidance and long-term cooperation.

Warehouse storage

The company has the most advanced production equipment and automatic control system, to ensure the most reliable product quality. In addition, we also have a professional international trade and logistics team. With quality products and excellent service, we have established a large number of long-term customers all over the world.

 

 

Packing and delivery

To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.

Production Technology

Our main products include high quality carbon steel, stainless steel products,galvanized steel products, aluminum and copper.  We can also provide cutting, punching, bending, polishing, shearing, wire drawing and other related service. 

图片名称

Honor

Application

Our company is set production processing and trade as one. The company has the most advanced production equipment and automatic control system, to ensure reliable product quality and sufficient supply capacity. Our main products are stainless steel, silicon steel, galvanized steel, carbon steel, aluminum products and other series. Applicable to engineering, coal mining, shipping, aviation, boiler, machinery, military and other fields. We sincerely welcome customers from all over the world to visit our company to discuss long-term cooperation.

Architectural field

Architectural field

Architectural field

Automotive field

Automotive field

Automotive field

Aviation field

Aviation field

Aviation field

Chemical industry field

Chemical industry field

Chemical industry field

FAQ

图片名称

How do you package the product?


图片名称

The inner layer is covered with waterproof paper, packed in iron and secured by fumigated wooden brackets. It can effectively protect products from corrosion in the process of sea sample transportation.

图片名称

Are the products inspected before shipment?


图片名称

Of course. All our products go through strict quality tests before they are packed. Those that fail will be destroyed.

图片名称

Can I visit your factory?


图片名称

Of course. We welcome customers from all over the world to visit our factory.

图片名称

What certifications have your products passed?


图片名称

We have ISO 9001, SGS, EWC and other certifications.

图片名称

Can you provide samples?


图片名称

Of course, we can send samples all over the world. Our samples are free of charge, but the customer needs to bear the Courier charge

图片名称

What is the loading port?


图片名称

Normally, we ship from Shanghai, Tianjin, Qingdao and Ningbo ports. You can choose other ports according to your needs.

Message

Submit Message

Contact

Add

Add:Shan Gang Building, 61-11 South Gongye Road, Jinan Area, China (Shandong) Pilot Free Trade Zone

Shandong Mingding supply Chain Management Service CO.,LTD

MD Steel

Message


© Shandong Mingding supply Chain Management Service CO.,LTD    Website:300.cn  Jinan2    SEO