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Prestressed concrete steel bar used for concrete pile
Nominal diameter: 7.1MM 9.0MM 10.7MM 12.6MM
Tensile strength ≥ 1420Mpa
Yield strength ≥ 1275Mpa
Elongation ≥ 5%
Low relaxation ≤ 1.5%
Straightness ≤ 2mm/m
Net weight per coil: 1100Kg±200Kg
Original material of PC BAR:30MnSi
Chemical composition of 30MnSi
C | Si | Mn | P | S | Cu |
0.27-0.34 | 0.60-1.10 | 0.90-1.30 | 0.025 | 0.025 | 0.025 |
Standard:JISG3137-1994(Japan) and GB/T5223.3-2005(China).
*pc steel bar