GB-T1591 Q420C Steel Plate supplier
- Q420C Adopt standard: GB-T1591 Standard Specification is for Rolled Steels for Welded Structure
- Q420C Specification: Thickness: 1mm to 500mm; Width: 1500mm to 4500mm: Length: 3000mm to 27000mm
- Third Party Inspection for Q420C: ABS, DNV, BV, GL, CCS, LR, RINA, KR, NK, CE, SGS, IKE, IEI or other quality department.
- Q420C Chemical composition Max % of the Product analysis of grade
C | Si | Mn | P | S | Nb | V | Ti |
0.20 | 0.50 | 1.70 | 0.030 | 0.030 | 0.07 | 0.20 | 0.20 |
Cr | Ni | Cu | N | Mo | B | Als min | |
0.30 | 0.80 | 0.30 | 0.015 | 0.20 | – | 0.015 |
- Q420C 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) | 420 | 400 | 380 | 360 | 360 | 340 | – | – | – |
- Q420C Tensile Strength
Nominal thickness (mm) | To 40 | 40-63 | 63-80 | 80-100 | 100-150 | 150-250 | 250-400 |
ReH – Minimum yield strength (MPa) | 520-680 | 520-680 | 520-680 | 520-680 | 500-650 | – | – |
- Q420C Impact Test degree and energy
Min Energy Nominal thickness | |||
Temperature ℃ | 0 | ||
Thickness (mm) | 12-150 | 150-250 | 250-400 |
Notch impact test. Min. absorbed energy | 34 | – | – |
- Equivalent grades of grade Q420C
- Q420C Delivery Time Or Lead Time: 15-30days
- Q420C 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 Q420C, 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.
Unitedsteel Group Company Principle
More Cheaper Price,
More Faster Delivery,
The Best Company Prestige,
The Best After sales service,
The One step Steel material Solution
The Best Professional quality control system
Welcome to Unitedsteel Group and any requirement in steel material, please feel free to contact us.