FH32 Shipbuilding Steel Plate
FH32 shipbuilding steel plate is a high-strength hull structural steel designed for extreme cold marine and offshore environments. With certified impact toughness at –60°C, FH32 steel is suitable for polar vessels and ice-class ship structures.
1. FH32 Product Definition and Classification
FH32 belongs to high strength hull structural steels with a minimum yield strength of 315 MPa. The letter F indicates guaranteed Charpy V-notch impact testing at –60°C.
Applicable Classification Societies (A–Z):
- ABS
- BV
- CCS
- DNV
- KR
- LR
- NK
- RINA
- RS
Ranking is listed in alphabetical order for reference convenience.
2. Key Advantages of FH32 Steel Plate
| ❄️ –60°C Toughness |
◇ Stable Yield Strength |
🔧 Reliable Weldability |
|---|---|---|
| Suitable for extreme cold service environments | Minimum yield strength of 315 MPa | Optimized for shipyard fabrication |
3. FH32 Typical Applications
- Polar and ice-class vessels
- Extreme cold ship hull structures
- Offshore platforms in cold regions
- Marine engineering structures
4. FH32 Delivery Condition
- As-rolled (AR)
- Normalized (N)
- TMCP
5. FH32 Available Dimensions
| Thickness | 6 – 150 mm |
|---|---|
| Width | Up to 5,300 mm |
| Length | Up to 12,000 mm |
6. FH32 Chemical Composition (Typical, %)
| C | Si | Mn | P | S |
|---|---|---|---|---|
| ≤ 0.18 | ≤ 0.50 | 0.90 – 1.60 | ≤ 0.035 | ≤ 0.035 |
7. FH32 Mechanical Properties
| Yield Strength | Tensile Strength | Elongation | Impact Test |
|---|---|---|---|
| ≥ 315 MPa | 440 – 590 MPa | ≥ 22% | –60°C |
8. FH32 Quality Control and Testing
- Chemical composition analysis
- Tensile testing
- Charpy V-notch impact test at –60°C
- Ultrasonic testing (UT)
- EN 10204 3.1 Mill Test Certificate
9. Grade Selection Reference (32 Class)
| Grade | Impact Temperature | Typical Application |
|---|---|---|
| AH32 | 0°C | Standard ship hull structures |
| DH32 | –20°C | Cold marine environments |
| EH32 | –40°C | Cold-region marine & offshore |
| FH32 | –60°C | Extreme cold & polar applications |
10. Request FH32 Steel Plate
Classification-approved FH32 shipbuilding steel plate with full mill documentation. Third-party testing and certification can be provided upon request.
- ✔ Approved by major classification societies
- ✔ Impact tested at –60°C
- ✔ Custom dimensions and fast delivery