GB-T1591 Q345E Steel Plate supplier

QFSTEELS are specialized in exporting GB-T1591 Q345E Steel Plate Low alloy and high strength steel plate. GB-T1591 Q345E Steel Plate heavy plate and wide, heavy plate, Which is a large steel plate supplier mill at QFSTEELS Group.


Keyword: GB-T1591 Q345E, Q345E,Q345E Steel Plate,Q345E Stock,Q345E supplier

Q345E Adopt standard: GB-T1591 Standard Specification is for Rolled Steels for Welded Structure

Q345E Specification: Thickness: 1mm to 500mm; Width: 1500mm to 4500mm: Length: 3000mm to 27000mm

Third Party Inspection for Q345E:


Q345E Chemical composition Max % of the Product analysis of grade

C Si Mn P S Nb V Ti
0.18 0.50 1.70 0.025 0.020 0.07 0.15 0.20
Cr Ni Cu N Mo B Als min
0.30 0.50 0.30 0.012 0.10 0.015


GB-T1591 Q345E Steel Plate Yield strength

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










ReH – Minimum yield strength (MPa) 345 335 325 315 305 285 275 265 265


Q345E 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



Q345E Steel Plate Impact Test degree and energy

Min Energy Nominal thickness
Temperature ℃ -40
Thickness (mm) 12-150 150-250 250-400
Notch impact test. Min. absorbed energy 34 27 27




Equivalent grades of grade Q345E

Q345E Delivery Time Or Lead Time: 15-30days

Q345E 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 Q345E,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 Q345E Steel Plate, please feel free to contact us.


GB-T1591 Q345E Steel Plate supplier
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