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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Keyword: A633 GRADE C, ASTM A633 GRADE C, A633 GRADE C Steel Plate, A633 GRADE C steel factory



  1. A633 GRADE C Adopt standard: ASTM A633 Technical delivery conditions for general structural steels
  2. A633 GRADE C Specification: Thickness: 8mm to 300mm; Width: 1500mm to 4020mm: Length: 3000mm to 27000mm
  3. Third Party Inspection for A633 GRADE C: ABS, DNV, BV, GL, CCS, LR, RINA, KR, NK, CE, SGS, IKE, IEI or other quality department.
  4. A633 GRADE C Chemical composition % of the Product analysis of grade
C Si Mn P S Al(min) N
0.20 0.15-0.50 1.15-1.50 0.035 0.04    
Cr Cu Mo Nb Ni Ti V
  1. A633 GRADE C 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) 345 315  
Nominal thickness (mm) To 65 65- 100 100-150
Rm -Tensile strength (MPa) 485-620 450-590  
Gauge Length (mm) 200 50
A – Minimum elongation Lo = 5,65 √ So (%) Longitudinal  




  1. Equivalent grades of grade A633 GRADE C












  1. A633 GRADE C Delivery Time Or Lead Time: 15-30days
  2. A633 GRADE C 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 A633 GRADE C, 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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