ASTM A709GR.50 A709GR.50 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. A709GR.50, ASTM A709GR.50, A709GR.50 Steel Plate, A709GR.50 steel factory


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  1. 50 Adopt standard: ASTM A709: Standard Specification for Structural Steel for Bridges
  2. 50 Specification: Thickness: 5mm to 500mm; Width: 1500mm to 4500mm: Length: 3000mm to 27000mm
  3. Third Party Inspection for A709GR.50: ABS, DNV, BV, GL, CCS, LR, RINA, KR, NK, CE, SGS, IKE, IEI or other quality department.
  4. 50 Chemical composition % of the Product analysis of grade
Maximum Diameter C max, % Mn max, % P max,% S max,% Si
≤40 ≥40
4 [100] 0.23 1.35 0.04 0.05 0.4 0.15-0.40
Type Elements Heat Analysis, %      
1 Columbium 0.005–0.05      
2 Vanadium 0.01–0.15      
3 Columbium 0.005–0.05      
  Vanadium 0.01–0.15      
  Columbium plus vanadium 0.02–0.15      
5 Titanium 0.006–0.04      
  Nitrogen 0.003–0.015      
  Vanadium 0.06 max      
  1. 50 Mechanical Property
Grade Thick


Tensile [MPa] Elongtation Min % reduction



Steel Plate Structural steel
200mm 50mm 200mm 50mm
A709 Grade 50 ≤100 345 450min 18 21 18 21    
  1. 50 Delivery Time Or Lead Time: 15-30days
  2. 50 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 A709GR.50, 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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