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: SA633 GRADE C, ASTM SA633 GRADE C, SA633 GRADE C Steel Plate, SA633 GRADE C steel factory



  1. SA633 GRADE C Adopt standard: ASTM A633 Technical delivery conditions for general structural steels
  2. SA633 GRADE C Specification: Thickness: 8mm to 300mm; Width: 1500mm to 4020mm: Length: 3000mm to 27000mm
  3. Third Party Inspection for SA633 GRADE C: ABS, DNV, BV, GL, CCS, LR, RINA, KR, NK, CE, SGS, IKE, IEI or other quality department.
  4. SA633 GRADE C Chemical composition % of the Product analysis of grade
C Si Mn P S Al(min) N
0.22 0.15-0.50 1.15-1.50 0.035 0.04   0.01-0.03
Cr Cu Mo Nb Ni Ti V
  1. SA633 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) 415 415 380
Nominal thickness (mm) To 65 65- 100 100-150
Rm -Tensile strength (MPa) 550-690 550-690 515-655
Gauge Length (mm) 200 50
A – Minimum elongation Lo = 5,65 √ So (%) Longitudinal  




  1. Equivalent grades of grade SA633 GRADE C












  1. SA633 GRADE C Delivery Time Or Lead Time: 15-30days
  2. SA633 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 SA633 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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