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


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  1. 50W Adopt standard: ASTM A709: Standard Specification for Structural Steel for Bridges
  2. 50W Specification: Thickness: 5mm to 500mm; Width: 1500mm to 4500mm: Length: 3000mm to 27000mm
  3. Third Party Inspection for A709GR.50W: ABS, DNV, BV, GL, CCS, LR, RINA, KR, NK, CE, SGS, IKE, IEI or other quality department.
  4. 50W Chemical composition % of the Product analysis of grade
Note:—Type A, B, C the same with A588/ A588M Grade A, B, C.
Element Chemical , %A
Type A Type B Type C
CB 0.19 max 0.20 max 0.15 max
MnB 0.80–1.25 0.75–1.35 0.80–1.35
P 0.04 max 0.04 max 0.04 max
S 0.05 max 0.05 max 0.05 max
Si 0.30–0.65 0.15–0.50 0.15–0.40
Ni 0.40 max 0.50 max 0.25–0.50
Cr 0.40–0.65 0.40–0.70 0.30–0.50
Cu 0.25–0.40 0.20–0.40 0.20–0.50
V 0.02–0.10 0.01–0.10 0.01–0.10
  1. 50W Mechanical Property
Grade Thick


Tensile [MPa] Elongtation Min % reduction



Steel Plate Structural steel
200mm 50mm 200mm 50mm
A709 Grade 50W ≤100 345Min 485min 18 21 18 21    
  1. 50W Delivery Time Or Lead Time: 15-30days
  2. 50W 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.50W, 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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