GB/T1591 Q355B Steel Plate supplier


Qfsteels are specialized in exporting GB/T1591 Q355B Low alloy and high strength steel plate. GB/T1591 Q355B Steel Plate heavy plate and wide, heavy plate Which is a large steel plate supplier mill at Qfsteels Group.


Keyword: GB-T1591 Q355B, Q355B,Q355B Steel Plate,Q355B Stock,Q355B supplier


Q355B Adopt standard: GB-T1591 Standard Specification is for Rolled Steels for Welded Structure

Q355B Specification: Thickness: 1mm to 500mm; Width: 1500mm to 4500mm: Length: 3000mm to 27000mm

Third Party Inspection for Q355B: ABS, DNV, BV, GL, CCS, LR, RINA, KR, NK, CE, SGS, IKE, IEI or other quality department.

Q355B Chemical composition Max % of the Product analysis of grade

C Si Mn P S Nb V Ti
0.20 0.55 1.60 0.035 0.035      
Cr Ni Cu N Mo B Als min  
0.30 0.30 0.40 0.012    

Q355B Yield strength

Nominal thickness (mm) To 16 16-40 40-63 63-80 80-










ReH – Minimum yield strength (MPa) 355 345 335 325 315 295 285 275

Q355B Tensile Strength

Nominal thickness (mm) To 40 40-63 63-80 80-100 100-150 150-250 250-400
ReH – Minimum yield strength (MPa) 470-630 450-600 450-600

Q355B 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 Q355B

Q355B Delivery Time Or Lead Time: 15-30days

Q355B 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 Q355B, 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.

Qfsteels Group Company Principle


Cheaper Price,

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 Qfsteels Group and any requirement in steel material GB/T1591 Q355B Steel Plate, please feel free to contact us.

GB/T1591 Q355B Steel Plate supplier
Tagged on: