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Executive Standard: SA299 Gr. B steel plates comply with the ASME standard, specifically ASTM A299/A299M.2026-08-26
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SA299 is a carbon-manganese-silicon steel plate designed for pressure vessels—often referred to as "gas drum steel" under US standards.2026-08-19
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ntroduction to SA299 Gr.A Steel Plate:
SA299 Gr.A is a steel plate grade designated for boilers and pressure vessels under American standards.2026-08-11 -
A285 Gr.C and SA285 Gr.C steel plates represent the same grade, though they are governed by different standards.2026-08-04
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SA283 Gr.B is a low-to-medium strength carbon structural steel plate conforming to the American Society of Mechanical Engineers (ASME) standard.2026-07-31
Q345A H beam manufacturer steel,Q345A H beam specification
Q345A H-beam steel is our flagship product, as is currently one of China's most popular supplier of steel Q345A H-beam, we can offer Q345A H-beam having a high quality and price competitiveness. If you have a need, please contact us, here to introduce you our Q345A H-beam characteristics and application.
Chemical composition of ASTM Q345A H-beam:
C≤0.20;Si≤0.55;Mn≤1.70;P≤0.045;S≤0.045;V:0.02-0.15;Nb:0.015-0.06;Al0.02-0.20
Thickness:5-30mm;width:100-900mm;length:6-12m
Technique:hot rolled
Surface treatment:galvanized
Payment terms:T/T,L/C
Application:workshop,Bridges,shipbuilding Crane,Brackets,beddings,transportation machinery
About Q345A H-beam basic chemical properties and the production process, if you have any questions, please feel free to contact us, we will give you detailed answers, to provide you with quality and cheap Q345A H-beam steel products, you can also send e-mail our company mail ID: [email protected] Or by 0086-371-86151827 inquire.