ISO 4950 E550DD E550DD Steel Plate


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.


Tags: E550DD, ISO 4950 E550DD, E550DD Steel Plate, E550DD steel factory, E550DD adopt standard, E550DD Heat treatment, E550DD Technical delivery condition, E550DD Chemical, E550DD Mechanical property, E550DD Price, E550DD CEV, E550DD Impact degree, E550DD impact energy,ISO 4950 2007


Keyword: E550DD, ISO 4950 E550DD, E550DD Steel Plate, E550DD steel factory



  1. E550DD Adopt standard: ISO 4950 Standard Specification is for Rolled Steels for Welded Structure
  2. E550DD Specification: Thickness: 5mm to 500mm; Width: 1500mm to 4500mm: Length: 3000mm to 27000mm
  3. Third Party Inspection for E550DD: ABS, DNV, BV, GL, CCS, LR, RINA, KR, NK, CE, SGS, IKE, IEI or other quality department.
  4. E550DD Chemical composition % of the Product analysis of grade
E550DD Chemical Composition
Grade The Element Max (%)
C Si Mn P S Cu
E550DD 0.20 0.1-0.8 1.7 0.035 0.035 0.7
  Ti Nb V Cr Ni Mo
  0.02-0.2 0.015-0.060 0.02-0.2 0.7 1 0.4
  1. E550DD Mechanical Property
Grade E550DD Mechanical Property
Thickness Yield Tensile Elongation
E550DD mm Min Mpa Mpa Min  %
t≦50 550 650-830 16
50<t≦70 530 650-830 16
  1. Equivalent grades of grade E550DD
  2. E550DD Delivery Time Or Lead Time: 15-30days
  3. E550DD Extra Service: Pretreatment (Shot Blasting, Sand Blast, Painting and Galvanized), Cutting Parts, Sample Service, Third Party inspection, UT Test and Size inspection.
  4. If you have any requirement in steel plate for E550DD, whether the new plate or stock list of material, please feel free to contact us by email of calling.
  5. If you had any question at our plate or service. Please contact our after service department to get faster reply.

Unitedsteel Group Company Principle


More Cheaper Price,

More Faster Delivery,

The Best Company Prestige,

The Best After sales service,

The One step Steel material Solution

The Best Professional quality control system


Welcome to Unitedsteel Group and any requirement in steel material, please feel free to contact us.



Leave a Reply

Your email address will not be published. Required fields are marked *