GB-T1591 Q345B, Q345B,Q345B Steel Plate,Q345B Stock,Q345B supplier
Unitedsteel Carbon Plate Factory are specialized in exporting GB-T1591 Q345B Low alloy and high strength steel plate, heavy plate and wide, heavy plate, Which is a large steel plate supplier mill at Unitedsteel Group.
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Keyword: GB-T1591 Q345B, Q345B,Q345B Steel Plate,Q345B Stock,Q345B supplier
- Q345B Adopt standard: GB-T1591 Standard Specification is for Rolled Steels for Welded Structure
- Q345B Specification: Thickness: 1mm to 500mm; Width: 1500mm to 4500mm: Length: 3000mm to 27000mm
- Third Party Inspection for Q345B: ABS, DNV, BV, GL, CCS, LR, RINA, KR, NK, CE, SGS, IKE, IEI or other quality department.
- Q345B 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 | 0.15 | 0.20 |
| Cr | Ni | Cu | N | Mo | B | Als min | |
| 0.30 | 0.50 | 0.30 | 0.012 | 0.10 | – | – |
- Q345B 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) | 345 | 335 | 325 | 315 | 305 | 285 | 275 | 265 | – |
- Q345B Tensile Strength
| Nominal thickness (mm) | To 40 | 40-63 | 63-80 | 80-100 | 100-150 | 150-250 | 250-400 |
| ReH – Minimum yield strength (MPa) | 470-630 | 470-630 | 470-630 | 470-630 | 450-600 | 450-600 | – |
- Q345B Impact Test degree and energy
| Min Energy Nominal thickness | |||
| Temperature ℃ | 20 | ||
| Thickness (mm) | 12-150 | 150-250 | 250-400 |
| Notch impact test. Min. absorbed energy | 34 | 27 | – |
- Equivalent grades of grade Q345B
- Q345B Delivery Time Or Lead Time: 15-30days
- Q345B 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 Q345B, 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.
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