As a High strength welded structural steel plate supplier in China,we can offer GB/T16270 Q690D steel,GB-T1591 Q690D Low alloy and high strength steel plate, heavy plate and wide, heavy plate.
GB/T16270 Q690D High strength welded structural steel plate Chemical compositionMax %:
| C | Si | Mn | P | S | Nb | V | Ti |
| 0.18 | 0.60 | 2.00 | 0.030 | 0.025 | 0.11 | 0.12 | 0.20 |
| Cr | Ni | Cu | N | Mo | B | Als min | |
| 1.00 | 0.80 | 0.80 | 0.015 | 0.30 | 0.004 | 0.015 |
GB/T16270 Q690D steel plate Yield strength:
| Nominal thickness (mm) | To 16 | 16-40 | 40-63 | 63-80 | 80-100 | 100-150 | 150-200 | 200-250 | 250-400 |
| ReH - Minimum yield strength (MPa) | 690 | 670 | 660 | 640 | - | - | - | - | - |
GB/T16270 Q690D steel plate Tensile Strength:
| Nominal thickness (mm) | To 40 | 40-63 | 63-80 | 80-100 | 100-150 | 150-250 | 250-400 |
| ReH - Minimum yield strength (MPa) | 770-940 | 750-920 | 730-900 | - | - | - | - |
GB/T16270 Q690D steel plate Impact Test degree and energy:
| GB/T16270 Q690D | Min Energy Nominal thickness | ||
| Temperature ℃ | -20 | ||
| Thickness (mm) | 12-150 | 150-250 | 250-400 |
| Notch impact test. Min. absorbed energy | 47 | - | - |
Q690D Adopt standard: GB-T1591 Standard Specification is for Rolled Steels for Welded Structure.
Q690D Specification: Thickness: 1mm to 500mm; Width: 1500mm to 4500mm: Length: 3000mm to 27000mm
Third Party Inspection for Q690D: ABS, DNV, BV, GL, CCS, LR, RINA, KR, NK, CE, SGS, IKE, IEI or other quality department.
If you need GB/T16270 Q690D High strength welded structural steel plate,and other tructural steel plate,contact bbn steel first.
Just like you, 70% customers choose long-term cooperation with BBN steel not only for our good product and service quality, good reputation in the international market, but also for our experienced one-stop raw material supply and further steel processing!
