CCS/DH36, CCS/EH36, CCS/FH36 materials are common in marine and marine engineering. Material description: D, E, F are quality grades, the impact temperature is: -20, -40, -60, H is high-strength building materials, 36 is the largest compression. Z is the Z-direction performance, examples: CCS/DH36-Z15, CCS/DH36-Z25, CCS/DH36-Z35, etc.
The implemented technical standard is GB/T712.
What are the chemical components of CCS EH36 FH36 DH36 ship steel plate?
| Grade | C | Si | Mn | P | S | Cu | Cr | Ni | Nb | V | Ti | Mo | N | ALS |
| DH36 | ≤0.18 | ≤0.50 | 0.90-1.60 | ≤0.025 | ≤0.025 | ≤0.35 | ≤0.20 | ≤0.40 | 0.02-0.05 | 0.05-0.10 | ≤0.02 | ≤0.08 | — | ≥0.015 |
| EH36 | ≤0.18 | ≤0.50 | 0.90-1.60 | ≤0.35 | ≤0.20 | ≤0.40 | 0.02-0.05 | 0.05-0.10 | ≤0.02 | ≤0.08 | — | ≥0.015 | ||
| FH36 | ≤0.16 | ≤0.50 | 0.90-1.60 | ≤0.020 | ≤0.020 | ≤0.35 | ≤0.20 | ≤0.80 | 0.02-0.05 | 0.05-0.10 | ≤0.02 | ≤0.08 | ≤0.009 | ≥0.015 |
Mechanical properties analysis of CCS/DH36, CCS/EH36, CCS/FH36 ship steel plate:
| Ship | Yield | Tensile | Elongation | Impact Test | Impact Energy(J) | |||||
| Steel | Strength | Strength | After break | Temperature | Thickness≤50mm | 50-70mm | 70-150mm | |||
| Grade | MPa | MPa | % | ℃ | Longitudinal | Transverse | Longitudinal | Transverse | Longitudinal | Transverse |
| DH36 | ≥355 | 490-630 | ≥21 | -20 | 34 | 24 | 41 | 27 | 50 | 34 |
| EH36 | ≥355 | 490-630 | ≥21 | -40 | 34 | 24 | 41 | 27 | 50 | 34 |
| FH36 | ≥355 | 490-630 | ≥21 | -60 | 34 | 24 | 41 | 27 | 50 | 34 |
The heat treatment process of CCS EH36 FH36 DH36 ship steel plate is different: DH36 can be annealed, hot rolled, normalized, controlled rolling, TM and other heat treatment processes; EH36 is generally normalized, TM process; FH36 is generally normalized, TM, quenching and tempering process; Note: Different thickness, heat treatment process will be different.
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