Marine & Offshore Engineering Specialized Heavy Plate

Brand Name:LONGTENG
Model Number:AH32、AH36、AH40 DH32、DH36、EH40 EH32、EH36、EH40 FH32、FH36、FH40 EQ43、EQ47、EQ56 A514GrQ A517GrQ
Minimum Order Quantity:25MT
Delivery Time:30 DAYS
Payment Terms:L/C, D/A, D/P, T/T
Place of Origin:CHINA
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Address: No.118 Hualian Road,Tongang Industrial park,Meili Town,Changshu,Jiangsu,China
Supplier`s last login times: within 34 hours
Product Details Company Profile
Product Details

Marine & Offshore Engineering Specialized Heavy Plate
Designed for extreme marine environments, our hot-rolled forged heavy steel plates deliver exceptional corrosion resistance, impact toughness, and fatigue strength to meet the rigorous demands of offshore structures. Through integrated EAF-LF-VD secondary refining and thermo-mechanical controlled processing (TMCP), these plates achieve ultra-low sulfur content (<0.002%), enhanced through-thickness properties (Z35 certified), and superior weldability with CET ≤0.42%.


Thickness6mm – 220mm
Width1500mm – 3650mm
Length4000mm – 18000mm
Unit WeightUp to 60 tons per piece
StandardGB/T, ASTM, EN10025, JIS, ASME, API, CCS, DNV, etc.
Heat TreatmentNormalizing, Quenching + Tempering, Accelerated Cooling (ACC), Annealing
Purity LevelP ≤ 0.006%, S ≤ 0.002%, N ≤ 50ppm, O ≤ 15ppm, H ≤ 1.5ppm
Steel GradeQ245R,Q345R,A420,Q235GJB/C/D/E,WDB620,etc.
ApplicationOffshore drilling platform tubular joints
Ice-class vessel hulls (Polar Code compliant)
Subsea pipeline end terminals
Floating LNG storage tank shells

Our Advantages

1:Complete electric furnaces and off-furnace refining equipment

2:The largest-sized steel ingots and continuous casting billets

3:The largest and most comprehensive fully automatic production line in China, and private customization is provided.



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Marine & Offshore Engineering Specialized Heavy Plate


China Marine & Offshore Engineering Specialized Heavy Plate supplier

Marine & Offshore Engineering Specialized Heavy Plate

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