What is FH32 Shipbuilding Steel Plate?
FH32 is a high-strength shipbuilding steel grade under the rules of major classification societies (ABS, DNV, LR, CCS, BV, KR, NK, RINA). The "F" stands for low temperature resistance (-60°C), "H" for High tensile strength (yield strength ≥315 MPa), and "32" for minimum yield strength in Ksi.
Key Features:
Low Temperature Toughness: Excellent Charpy V-Notch (CVN) impact energy at -60°C.
High Strength: Yield Strength ≥315 MPa, Tensile Strength 440-570 MPa.
Approved by Major Class Societies: Suitable for shipbuilding and offshore projects worldwide.
Buy ABS FH32 Steel Plate with -60°C Toughness
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Excellent -60°C Low-Temperature Impact Toughness (Excellent CVN):FH32 steel plate is specifically engineered for Polar Class Vessels and LNG carriers. Unlike standard A or D grade steels, FH32 maintains a high Charpy V-Notch (CVN) impact energy of minimum 34 Joules at -60°C. This ensures zero brittle fracture in extreme sub-zero environments, making it the mandatory choice for icebreakers and offshore structures in the Arctic Circle.
Multi-Society Type Approval (ABS, DNV, LR, CCS Certified):We supply FH32 steel plates with full traceability and original 3.1 Mill Test Certificates (MTC) recognized by all major classification societies including ABS, DNV, LR, CCS, BV, and NK. This multi-society approval allows shipyards to use our plates for any international project without requalification, drastically reducing inspection time and documentation costs for your procurement team.
Optimized Weldability & TMCP Delivery State:To ensure high fabrication efficiency, our FH32 shipbuilding steel plate features a low Carbon Equivalent (CEV) and is available in TMCP (Thermo-Mechanical Control Process) delivery state. TMCP allows for higher strength without excessive alloying elements, resulting in excellent weldability (reduced preheating time) and superior HAZ (Heat Affected Zone) toughness. This translates directly to lower welding costs and faster hull assembly for your shipyard.
Technical Specifications & Chemical Composition
| Property | Value |
|---|---|
| Yield Strength (ReH) | ≥ 315 MPa (46 Ksi) |
| Tensile Strength (Rm) | 440 - 570 MPa |
| Elongation | ≥ 22% |
| Impact Test Temperature | -60°C |
| Impact Energy (Average) | ≥ 34 J (Longitudinal) |
| Element | C | Si | Mn | P | S | Ni |
|---|---|---|---|---|---|---|
| FH32 Max | ≤0.16 | ≤0.50 | 0.90 - 1.60 | ≤0.025 | ≤0.025 | ≤0.80 |
Available Dimensions & Sizes
We supply FH32 steel plates in a variety of dimensions to meet your fabrication needs:
Thickness: 5mm to 150mm (Customized up to 200mm available)
Width: 1500mm to 4500mm
Length: 6000mm to 18000mm (or as per customer drawing)
Third Party Inspection: SGS, BV, ABS, or buyer's nominated surveyor.
Applications of FH32 Marine Steel Plate
Shipbuilding
Hull structures of VLCC, Bulk carriers, Container ships.
Polar Vessels
Icebreakers and Arctic cargo ships operating in freezing temperatures .
LNG/LPG Carriers
Secondary barrier and tank support systems for VLGCs (Very Large Gas Carriers) .
Offshore Engineering
Jack-up rigs and semi-submersible platforms in cold regions.
FH32 vs. Other Grades: Why Choose "F"?
If your project operates in freezing waters or requires high safety integrity for low temperatures, standard A, B, D, or even E grades are not sufficient.
AH32 (A Grade): 0°C impact resistance. Suitable for general structures.
DH32 (D Grade): -20°C impact resistance. Suitable for cold regions.
EH32 (E Grade): -40°C impact resistance. Suitable for North Sea/Greenland.
FH32 (F Grade): -60°C impact resistance. Suitable for Arctic conditions .
Recommendation: Choose FH32 for Ice-Class vessels and critical offshore components.
why choose us?
1. Classification Society Certification
All our FH32 plates come with Original Mill Test Certificates (MTC) certified by ABS, DNV, LR, CCS, and BV. No fake certificates, only full traceability.
2. Ready Stock for Shipbuilding
We maintain a large inventory of FH32 ship plate in standard sizes, enabling fast delivery for urgent repair or new building projects.
3. Value-Added Services
Cutting to size (Plasma & Laser).
Beveling (Edge preparation for welding).
Shot blasting and Primer painting.
4. Global Export Experience
We have successfully supplied FH32 plates to shipyards in South Korea, Japan, Vietnam, UAE, and Europe.
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User Evaluation
Dmitri Volkov
Procurement Manager, Arctic Shipyard, Russia
Lee Sang-ho
Welding Engineer, Daewoo Shipbuilding (Supplier Partner), South Korea
Carlos Mendez
Technical Superintendent, Naviera Pacifico, Chile
FAQ
01.Can you supply FH32 with Z25 or Z35 properties?
Yes. We can supply FH32 with Z-direction (Through-thickness) properties such as FH32Z25 and FH32Z35, which are critical for nodes of offshore platforms to prevent lamellar tearing.
02.What is the difference between FH32 and FH36?
03.Do you offer cutting services?
04.How long is the delivery time for FH32 steel?
For stock sizes, shipment can be arranged within 7-14 days. For large mill orders, it is typically 30-45 days after deposit.
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