ASME SA299GrA and A299GrB pressure vessel steel plate are specification for carbon steel and Manganese-Silicon.
Grede: A299GrA and A299GrB
Type :steel plate, Boiler and pressure vessel steel
Standard :A299/SA299M
Steel Plate :Thickness: 1-100mm, width: 1000-4500mm, Length: 1000-18000mm
A299GrA and A299GrB steel plate Introduction
As for thin plate A299GrA and A299GrB which produced from steel coil A299GrA and A299GrB 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)
♦ 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
A299GrA and A299GrB Steel plate Application
ASTM A299GrA and A299GrB Pressure Vessel And Boiler Steel Plate are used in Pressure Vessel,Boiler,Storage Tanks and Heat Exchanger in Oil,Gas Project.
A299GrA steel plate Chemical Composition Analysis:
Grade | The Element Max (%) | |||||
C | Si | Mn | P | S | Mo | |
A299 GR.A | 0.28-0.30 | 0.84 -1.62 | 0.035 | 0.035 | - | |
0.13-0.45 |
A299GrA and A299GrB steel plate Mechanical properties:
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 |