Quality Inspection Items for Steel Profiles

Mechanical properties: tensile, bending, impact, compression, shear, fracture, fatigue.

Chemical composition: C, Si, Mn, P, S, Ni, Cu, Ti, Mo, V, N, Pb.

Metallographic analysis: low magnification structure.

Hardness: Brinell hardness, Rockwell hardness, Vickers hardness.

Coating performance: coating quality, adhesion, coating thickness, corrosion resistance, uniformity.

Corrosion resistance: Salt spray test.

Ultrasonic testing: non-destructive testing, non-destructive testing, ultrasonic welding seams, magnetic particle testing.

Appearance dimensions: surface quality, size, wall thickness.