Changshu Longteng Special Steel Co., Ltd.
LONGTENG WELDING CONSUMABLES WELDING THE GLOBAL
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7.4/9.2/11/13MM PRESTRESSED CONCRETE STEEL BAR
Developed as the main reinforcement for PC piles and poles and featuring superb bonding characteristics with concrete, a narrow-diameter deformed PC steel bar provided with mechanical properties specified by JIS G 3137 realized through deformation drawing, induction quenching and tempering of raw material with outstanding chemical composition for spot welding.
1, Technical parameters of PC BAR
| Size(mm) | Surface Shape Type | Nominal steel area (S/mm2) | Tensile Strength (Mpa) | Yield Stress (Mpa) | Relaxation rate (%) | Elongation (%) |
| 7.1/7.4 | Spiral Groove | 39-41.7 | ≥1420 | ≥1280 | ≤2.0 | ≥7.0 |
| 9.0/9.2 | 62.4-66.5 | |||||
| 10.7/11 | 87.5-93.6 | |||||
| 12.6/13 | 121.5-129.9 |
2, Chemical composition (%) of PC BAR –Material 30MnSi
| C | Si | Mn | P(Max) | S(Max) | Cu(Max) |
| 0.28-0.33 | 0.60-0.90 | 0.90-1.30 | 0.03 | 0.035 | 0.3 |
3, Reference info
| Production standard | KSD3505 |
| Packing | Tied with at least 8 steel strips per coil, wrapped with waterproof film. |
| Coil weight | 1-ton or 2-ton coil shapes are available for delivery. |
| Diameter of Coil | Inside Dia.:1.99m Outside Dia.:2.3m Height:18cm |
| Application | Pre-stressed concrete pile /Spun piles /Poles |
Product detail:
Package and Container loading: