GB-T1591 Q420B Steel Plate supplier
- Q420B Adopt standard: GB-T1591 Standard Specification is for Rolled Steels for Welded Structure
- Q420B Specification: Thickness: 1mm to 500mm; Width: 1500mm to 4500mm: Length: 3000mm to 27000mm
- Third Party Inspection for Q420B: ABS, DNV, BV, GL, CCS, LR, RINA, KR, NK, CE, SGS, IKE, IEI or other quality department.
- Q420B Chemical composition Max % of the Product analysis of grade
- Q420B Yield strength
|Nominal thickness (mm)||To 16||16-40||40-63||63-80||80-
|ReH – Minimum yield strength (MPa)||420||400||380||360||360||340||–||–||–|
- Q420B 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||–||–|
- Q420B Impact Test degree and energy
|Min Energy Nominal thickness|
|Notch impact test. Min. absorbed energy||34||–||–|
- Equivalent grades of grade Q420B
- Q420B Delivery Time Or Lead Time: 15-30days
- Q420B 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 Q420B, 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
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