Longteng Special Steel Group
| Payment Terms | L/C, D/A, D/P, T/T |
| Supply Ability | 1,500,000MT/MONTN |
| Delivery Time | 30 DAYS |
| Packaging Details | SEAWORTHY OF PACKING |
| Product Name | Marine & Offshore Engineering Specialized Heavy Plate |
| Material | P20 |
| Thickness | 6-220MM |
| Width | 1500 - 3650MM |
| Length | 4000 - 18000MM |
| Customized | Accept |
| Brand Name | LONGTENG |
| Model Number | AH32、AH36、AH40 DH32、DH36、EH40 EH32、EH36、EH40 FH32、FH36、FH40 EQ43、EQ47、EQ56 A514GrQ A517GrQ |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T | Supply Ability | 1,500,000MT/MONTN |
| Delivery Time | 30 DAYS | Packaging Details | SEAWORTHY OF PACKING |
| Product Name | Marine & Offshore Engineering Specialized Heavy Plate | Material | P20 |
| Thickness | 6-220MM | Width | 1500 - 3650MM |
| Length | 4000 - 18000MM | Customized | Accept |
| Brand Name | LONGTENG | Model Number | AH32、AH36、AH40 DH32、DH36、EH40 EH32、EH36、EH40 FH32、FH36、FH40 EQ43、EQ47、EQ56 A514GrQ A517GrQ |
| Place of Origin | CHINA |
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%.
| Thickness | 6mm – 220mm |
| Width | 1500mm – 3650mm |
| Length | 4000mm – 18000mm |
| Unit Weight | Up to 60 tons per piece |
| Standard | GB/T, ASTM, EN10025, JIS, ASME, API, CCS, DNV, etc. |
| Heat Treatment | Normalizing, Quenching + Tempering, Accelerated Cooling (ACC), Annealing |
| Purity Level | P ≤ 0.006%, S ≤ 0.002%, N ≤ 50ppm, O ≤ 15ppm, H ≤ 1.5ppm |
| Steel Grade | Q245R,Q345R,A420,Q235GJB/C/D/E,WDB620,etc. |
| Application | Offshore drilling platform tubular joints Ice-class vessel hulls (Polar Code compliant) Subsea pipeline end terminals Floating LNG storage tank shells |
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.
Products of the factory:
Tag:
Marine & Offshore Engineering Specialized Heavy Plate
Company Details
Business Type:
Manufacturer,Importer,Exporter
Year Established:
1993
Employee Number:
6000~6500
Ecer Certification：
Site Member
Longteng Special Steel Group is a well-known private enterprise in China's special steel industry. Founded in 1993, it is a deep processing enterprise of metal products integrating sintering, ironmaking, steelmaking, refining, continuous casting, rolling and metal product processing. It has an a... Longteng Special Steel Group is a well-known private enterprise in China's special steel industry. Founded in 1993, it is a deep processing enterprise of metal products integrating sintering, ironmaking, steelmaking, refining, continuous casting, rolling and metal product processing. It has an a...
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