Grade 5SP
Standard: GOST 380 / ASTM A615
Steel Billet 5SP
High Tensile Steel Billet for Heavy A3/A4 Rebars & I-Beams
Descriptions and Applications
5SP grade billets provide high tensile strength designed for high-rise building rebars and structural I-beams.
Main rolling applications:
Heavy rebars (A3/A4), IPE beams, heavy channels and light rails.
Dimensions and Supply Tolerances
| Section Size | Billet Length | Diameter Deviation Tolerance | Bentness Tolerance |
|---|---|---|---|
| 150×150 mm | 6.0 m - 12.0 m | ± 3.0 mm | ≤ 10 mm / 6m |
| 200×200 mm | 6.0 m - 12.0 m | ± 3.0 mm | ≤ 10 mm / 6m |
ترکیب شیمیایی (Chemical Composition %)
Carbon (C):0.28 - 0.37 %
Silicon (Si):0.15 - 0.30 %
Manganese (Mn):0.50 - 0.80 %
Phosphorus (P max):≤ 0.040 %
Sulfur (S max):≤ 0.045 %
Carbon Equivalent (CEV):0.42 - 0.48 %
Mechanical Properties
Yield Strength:≥ 295 MPa
Tensile Strength:500 - 640 MPa
Elongation:≥ 20 %
Bending Angle:180°