ASTM A633GRA steel factory



Unitedsteel Carbon Plate Factory are specialized in producing and exporting Low alloy and high strength steel plate, heavy plate and wide, heavy plate, Which is a large steel plate supplier mill at Unitedsteel Group.


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  1. A633GRA Adopt standard: ASTM A633 Technical delivery conditions for general structural steels
  2. A633GRA Specification: Thickness: 8mm to 300mm; Width: 1500mm to 4020mm: Length: 3000mm to 27000mm
  3. Third Party Inspection for A633GRA: ABS, DNV, BV, GL, CCS, LR, RINA, KR, NK, CE, SGS, IKE, IEI or other quality department.
  4. A633GRA Chemical composition % of the Product analysis of grade
C Si Mn P S Al(min) N
0.18 0.15-0.50 1.00-1.35 0.035 0.04    
Cr Cu Mo Nb Ni Ti V
  1. A633GRA Mechanical Property
Temperature -35 -20 0 25
Notch impact test. Min. absorbed energy J 41 54 61 68
Nominal thickness (mm) to 65 65 – 100 100 – 150
ReH – Minimum yield strength (MPa) 290 290  
Nominal thickness (mm) To 65 65- 100 100-150
Rm -Tensile strength (MPa) 430-570 430-570  
Gauge Length (mm) 200 50
A – Minimum elongation Lo = 5,65 √ So (%) Longitudinal  




  1. Equivalent grades of grade A633GRA












  1. A633GRA Delivery Time Or Lead Time: 15-30days
  2. A633GRA Extra Service: Pretreatment (Shot Blasting, Sand Blast, Painting and Galvanized), Cutting Parts, Sample Service, Third Party inspection, UT Test and Size inspection.
  3. If you have any requirement in steel plate for A633GRA, whether the new plate or stock list of material, please feel free to contact us by email of calling.
  4. If you had any question at our plate or service. Please contact our after service department to get faster reply.

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