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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.

PRODUCT DETAILS

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 (%)
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
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
  1. Steel Grade : A 299 Grade A, A 299 Grade B.
  2.  Dimension(T*W*L) : Thickness: 8mm to 300mm ; Width: 1500mm to 4020mm ; Length: 4000mm to 18000mm
  3.  Adopt Standard: ASTM A299 and ASME SA 299.
  4.  Heat Treatment: Hot Rolled, CR, Normalized, Quenched, Tempering, TMCP, Electroslag Remelting Technical.
  5.  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

Warehouse storage

Our products has been wildly sold to Northeast, North China, East China, Europe, Middle East, Southeast Asia, Australia and ect...Total area of our cooperation factory is approximately 58, 000 square meters, and registered capital is RMB 10 million Yuan, and fixed assets is RMB 50 million Yuan.

 

 

Packaging and shipping

The company specializes in selling steel, with best-selling products including PPGI, galvanized steel coil, steel plate, stainless steel plate, seamless welded steel pipe, aluminum coil, angle steel, H-shaped steel beam, and threaded steel. The product performance indicators have reached the advanced level in China. Our products have been widely sold to Northeast, North China, East China, Europe, the Middle East, Southeast Asia, Australia, etc

 

 

Customer communication

With the strategic thought of striving for survival on the basis of quality and development on the basis of benefit, adhering to management idea of "faith, practical, innovation, and development", we have courage to challenge, and keep continuous innovation in the competition.

 

 

Application area

We also do our unremitting efforts to fight bravely for creating a national brand and international brand. Holding to the intellectual businessman of style and the spirit of sincerity, all staff of our company are willing to cooperate and develop together with you.

 

COOPERATIVE PARTNER


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FAQ

What ports of shipment are there?

A:Under normal circumstances, we ship from Shanghai, Tianjin, Qingdao, Ningbo ports, you can specify other ports according to your needs.

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.

Do you provide custom made Products service?

A: Yes,if you have your own design , we can produce according to your specification and drawing.

What about product prices information?

A:Prices various according to periodic price changes of raw materials.

Can you send samples?

A:Of course, we can provide customers with free samples and express shipping service to all over of the world.

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.

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