steel
Steel Plate
You are here: Home > Steel Plate

GB/T1591 Q345B Low Alloy Structural Steel Plate Heat Analysis and Mechnical property

GB/T1591 Q345B Steel grade is the most common used as high strength low alloy structural steel in industry area.

BBN Steel can offer steel coils,steel plates,angles,channels for Q345B materials.The equivalent steel grade with Q345B are EN 10025-2 S355JR,ASTM A572/A572 A572 Grade 50 and DIN 17100 St52-3.

Q345B Low Alloy Structural Steel Plate size we can offer:

Thickness:1.2-600mm

Width:1220-4200mm

Length:5000-18000mm

Chemical composition for Q345B Low Alloy Structural Steel (Heat Analysis Max%)

Main chemical elements composition of Q345B
C Si Mn P S V Nb Ti
0.20 0.55 1.00-1.60 0.040 0.040 0.02-0.15 0.015-0.060 0.02-0.20

Mechnical property for Q345B Low Alloy Structural Steel:

Thickness (mm)
Q345B ≤ 16 > 16 ≤ 35 > 35 ≤ 50 >50
Yield strength (≥Mpa) 345 325 295 275
Tensile strength (Mpa) 470-630

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 GB/T1591 Q345B steel plate,whether the new plate or stock list of material, please feel free to contact us by email of calling.