B400NQR1 steel round bar Perfect price

B400NQR1 steel round bar is intended for welded, bolted or riveted construction of bridges and other structures where high strength and enhanced corrosion resistance are required. B400NQR1 steel round bar for the manufacture of vehicles, containers, doors, windows and other cold-formed steel members.

B400NQR1 steel round bar Chemical composition(%)

C≤0.12 Si:0.10-0.40 Mn:0.20-0.50 P≤0.12 S≤0.030 Cu:0.25-0.45 Cr:0.30-0.65 Ni≤0.50

B400NQR1 steel round bar Mechanical property

Yield strength MPa ≥260

Tensile strength MPa ≥400

Elongation% (L0 = 50mm b = 25mm) ≥27

80 ° bending test apex diameter: 1a

Density: 7.9g/cm3

B400NQR1 steel round bar Heat Treatment:

Hot Rolled, CR, Normalized, Quenched, Tempering, TMCP, Electroslag Remelting Technical.

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