Wonderful B550NQR1 Steel Round Bar

B550NQR1 Steel Round Bar is low-alloy steel corrosion damage in the atmosphere. B550NQR1 Steel Round Bar is used to the manufacture of containers, rolling stock, oil derrick, harbor construction, oil platforms and oil equipment chemical structure containing hydrogen sulfide and other corrosive media container.

B550NQR1 Steel Round Bar Chenical composition(%)

C≤0.19 Mn:0.80-1.25 Cr:0.40-0.65 Si:0.30-0.65 N≤0.010 S≤0.040 Cu:0.25-0.40 P≤0.05 Ni≤0.40

B550NQR1 Steel Round Bar Mechanical properties

Tensile strength, kis [MPa]:435-485 Yield strength, min, kis [MPa]:290-345 Elongation in under [50mm], min, %:21 Elongation in under [50mm-200mm], min, %:18

B550NQR1 Steel Round Bar Packaging Detail: In bundle or Container

Payment Item: 30% TT, or LC and TT

Delivery Time: 30 days generally

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