AH40 Shipbuilding steel plate
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Gnee Steel (Tianjin) Co., Ltd. is one of the most professional ah40 shipbuilding steel plate manufacturers and suppliers in China. Welcome to wholesale customized ah40 shipbuilding steel plate at competitive price from our factory. Good service and quality products are available.
AH40 High-Strength Marine Steel Plate Products Description
AH40 High-Strength Marine Steel Plate,A hull structural steel with high strength, superior toughness, and excellent corrosion resistance, widely used in shipbuilding, offshore engineering, and oil/gas transportation.
Ship plate AH40 certified by ten classification societies: CCS AH40, DNV AH40, ABS AH40, GL AH40, LR AH40, BV AH40, RINA AH40, NK AH40, KR AH40, RS AH40, VL AH40 (DNV Norwegian Classification Society and GL German Classification Society merged into VL)
Steel plates for offshore oil platforms: A/B/D/E AH32 DH32 EH32 AH36 DH36 EH36 FH36 AH40 DH40 EH40 2HGr50
Z-direction performance ship plate grades A-Z25, B-Z25, D-Z25, E-Z25, AH32-Z25, AH36-Z25, DH32-Z25, DH36-Z25, EH32-Z25, EH36-Z25; A-Z35, B-Z35, D-Z35, E-Z35, AH32-Z35, AH36-Z35, DH32-Z35, DH36-Z35, EH32-Z35, EH36-Z35;
AH40 Ship Plate AH40 Steel Standards & Delivery Conditions
Standard: GB/T 712-2011
Delivery States:
| Processing Method | Application by Thickness |
|---|---|
| Annealed (A) | Varies with plate thickness |
| As-Rolled (AR) | |
| Normalized (N) | |
| Controlled Rolling | |
| TMCP |
Performance Advantages
| Feature | Benefit |
|---|---|
| Yield Strength ≥390MPa | Withstands extreme maritime loads |
| -20℃ Impact Energy ≥47J | Ensures Arctic/Subsea operational safety |
| Corrosion Rate <0.05mm/year | Exceeds IMO PSPC requirements |
AH40 Offshore Steel Plate Chemical Composition
| C | Si | Mn | P | S | Als |
| ≤0.18 | ≤0.50 | 0.9-1.6 | ≤0.035 | ≤0.035 | ≥0.015 |
AH40 Metal Used In Shipbuilding Mechanical Properties
| Yield point/MPa | Tensile point /MPa | Elongation/% | Temperature/° C | V-type impact test | ||
| Akv/J | ||||||
| ≤50MM | 50-70MM | 70-100MM | ||||
| ≥390 | 510-660 | ≥20 | 0 | 41/21 | - | - |
AH40 Shipbuilding steel plate Key Applications
Shipbuilding:
VLCCs & Chemical Tankers: Hulls, decks, bulkheads, and critical structures resistant to high-pressure and corrosive cargo.
Bulk Carriers & Containerships: Main load-bearing components with seawater corrosion resistance.
Naval Vessels: Structural parts requiring ballistic protection and durability.
Offshore Engineering:
Offshore platforms
Subsea pipelines
Marine wind turbine foundations
Other Industries:
Port machinery
Cross-sea bridges
Derrick structures
Certification & Compliance
Class society approvals: CCS, ABS, DNV, LR
Coating lifespan: ≥15 years with proper surface treatment
Compliant with IACS Unified Requirements for hull steels
AH40 Steel Plate For Shipbuilding Product Photos
Our Team And Exhibition Photo
Customer Photos
We have sufficient stock, can be packed and shipped in the shortest time, if you have AH40 steel sheet metal or other ship plate products need, please contact me.
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