GB-T1591 Q390A Steel Plate supplier
- Q390A Adopt standard: GB-T1591 Standard Specification is for Rolled Steels for Welded Structure
- Q390A Specification: Thickness: 1mm to 500mm; Width: 1500mm to 4500mm: Length: 3000mm to 27000mm
- Third Party Inspection for Q390A: ABS, DNV, BV, GL, CCS, LR, RINA, KR, NK, CE, SGS, IKE, IEI or other quality department.
- Q390A Chemical composition Max % of the Product analysis of grade
| C | Si | Mn | P | S | Nb | V | Ti |
| 0.20 | 0.50 | 1.70 | 0.035 | 0.035 | 0.07 | 0.20 | 0.20 |
| Cr | Ni | Cu | N | Mo | B | Als min | |
| 0.30 | 0.50 | 0.30 | 0.015 | 0.10 | – | – |
- Q390A 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) | 390 | 370 | 350 | 330 | 330 | 310 | – | – | – |
- Q390A Tensile Strength
| Nominal thickness (mm) | To 40 | 40-63 | 63-80 | 80-100 | 100-150 | 150-250 | 250-400 |
| ReH – Minimum yield strength (MPa) | 490-650 | 490-650 | 490-650 | 490-650 | 470-620 | – | – |
- Q390A Impact Test degree and energy
| Min Energy Nominal thickness | |||
| Temperature ℃ | – | ||
| Thickness (mm) | 12-150 | 150-250 | 250-400 |
| Notch impact test. Min. absorbed energy | – | – | – |
- Equivalent grades of grade Q390A
- Q390A Delivery Time Or Lead Time: 15-30days
- Q390A Extra Service: Pretreatment (Shot Blasting, Sand Blast, Painting and Galvanized), Cutting Parts, Sample Service, Third Party inspection, UT Test and Size inspection.
- If you have any requirement in steel plate for Q390A, whether the new plate or stock list of material, please feel free to contact us by email of calling.
- If you had any question at our plate or service. Please contact our after service department to get faster reply.
