Grade 3SP
Standard: GOST 380 / ISIRI 1570
Steel Billet 3SP
Low Carbon Steel Billet for A2/A3 Rebar & Light Sections
Descriptions and Applications
Prima Steel 3SP grade billet features exceptional ductility and weldability, serving as the prime raw material for rebar rolling mills.
Main rolling applications:
Production of A2 & A3 grade rebars, equal angles, channels, and light structural profiles.
Dimensions and Supply Tolerances
| Section Size | Billet Length | Diameter Deviation Tolerance | Bentness Tolerance |
|---|---|---|---|
| 125×125 mm | 6.0 m - 12.0 m | ± 3.0 mm | ≤ 10 mm / 6m |
| 150×150 mm | 6.0 m - 12.0 m | ± 3.0 mm | ≤ 10 mm / 6m |
ترکیب شیمیایی (Chemical Composition %)
Carbon (C):0.14 - 0.22 %
Silicon (Si):0.15 - 0.30 %
Manganese (Mn):0.40 - 0.65 %
Phosphorus (P max):≤ 0.040 %
Sulfur (S max):≤ 0.045 %
Carbon Equivalent (CEV):0.36 - 0.40 %
Mechanical Properties
Yield Strength:≥ 235 MPa
Tensile Strength:380 - 490 MPa
Elongation:≥ 25 %
Bending Angle:180°