Bulb flat bar
HP80 to HP320 stiffener sections for hull framing, to GB/T 9945 and DIN 1019 profiles.
Hull steel grades
Mechanical properties to IACS UR W11. Chemical composition and impact energy are stated on the mill test certificate supplied with every shipment.
| Grade | Min. yield ReH | Tensile Rm | Elongation A5 | Impact test temp. | Availability |
|---|---|---|---|---|---|
| A | 235 MPa | 400–520 MPa | 22% | Not required | Held in stock |
| AH32 | 315 MPa | 440–570 MPa | 22% | 0 °C | Held in stock |
| DH32 | 315 MPa | 440–570 MPa | 22% | -20 °C | Made to order |
| EH32 | 315 MPa | 440–570 MPa | 22% | -40 °C | Made to order |
| AH36 | 355 MPa | 490–630 MPa | 21% | 0 °C | Priority stock |
| DH36 | 355 MPa | 490–630 MPa | 21% | -20 °C | Made to order |
| EH36 | 355 MPa | 490–630 MPa | 21% | -40 °C | Made to order |
How to read this table
Impact energy in joules is not listed here because it varies with plate thickness and specimen orientation. The value that governs your order is the one on the mill test certificate, issued per heat.
Bulb flat sections
HP80 to HP320, to GB/T 9945 / DIN 1019 profiles. Theoretical weight per metre is stated on the order confirmation. Send the section and length for availability.
| Section | Grades available |
|---|---|
| HP80 | A / AH32 / AH36 |
| HP100 | A / AH32 / AH36 |
| HP120 | A / AH32 / AH36 |
| HP140 | A / AH32 / AH36 |
| HP160 | A / AH32 / AH36 |
| HP180 | A / AH32 / AH36 |
| HP200 | A / AH32 / AH36 |
| HP220 | A / AH32 / AH36 |
| HP240 | A / AH32 / AH36 |
| HP260 | A / AH32 / AH36 |
| HP280 | A / AH32 / AH36 |
| HP300 | A / AH32 / AH36 |
| HP320 | A / AH32 / AH36 |
Classification society approvals
Approvals are held with the nine classification societies below. Certificates are available on request, and material is released with the mill test certificate for the relevant heat.
- CCS
- ABS
- DNV
- GL
- BV
- LR
- RINA
- KR
- NK
Tell us the grade, thickness and tonnage.
Send grade, thickness, dimensions and tonnage. You get availability, price and a lead time, normally within 24 hours.