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Prestressed Steel Strand 7 Wires Low Relaxation ASTMA416
| Model No. : | JY-A-885 |
|---|---|
| Brand Name : | JUNYANGYUANYU |
| Standard : | JIS |
Product description
Our PC strand production process has strict quality and lots of advantages:
o Higher fatigue, higher breaking loads, higher corrosion resistance.
o Increasing the abrasion resistance, water resistance, stiffness.
o Better performance at elevated temperature.
o High tensile strength and low relaxation.
o Stable modulus of elasticity.
o High bonding force.
o Reducing distortion and construction weight.
o Saving material.
ASTM Standards:
A981/A981M Test Method for Evaluating Bond Strength for 0.500-in. [12.7-mm] Diameter Steel Prestressing Strand, Grade 270[1860], Uncoated, Used in Prestressed Ground Anchors
A1061/A1061M Test Methods for Testing Multi-Wire Steel Strand
| Standard | Grade | Nonimal Dia. | Section Area | Mass | Breaking Loading | Load at 1% Ext. | Elongation | Relaxation at 1000h | ||
| (in) | (mm) | (mm2) | (g/m) | Min (Mpa) | (KN) | Lo 610mm min | (Initial Load to 70% of Breaking Load) | |||
| ASTM A416 | 270K (1860) | 3/8 | 9.53 | 54.84 | 432 | 102.3 | 92.1 | 3.5% min | Low Relaxation | Normal Relaxation |
| 7/16 | 11.11 | 74.19 | 582 | 137.9 | 124.1 | 2.5% max | 3.5% max | |||
| 1/2 | 12.7 | 98.71 | 775 | 183.7 | 165.3 | |||||
| 3/5 | 15.24 | 140.00 | 1102 | 260.7 | 234.6 | |||||
| Standard | Type | Dia. | Tolerance | Section Area | Mass | Tensile Strength | Breaking Loading | Min. Load at 1% Extenstion | Elongation | 1000h Relaxation |
| (mm) | (mm) | (mm2) | (g/m) | (Mpa) | Min. (KN) | Min (KN) | Min (%) | Max (%) | ||
| BS5896 -1980 | Standard 7 Wire | 9.3 | +0.3, -0.15 | 52 | 408 | 1770 | 92 | 81 | 3.5 | 2.5% |
| 11.0 | 71 | 557 | 1770 | 125 | 110 | |||||
| 12.5 | +0.4, -0.2 | 93 | 730 | 1770 | 164 | 144 | ||||
| 15.2 | 139 | 1090 | 1670 | 232 | 204 | |||||
| Super 7 Wire | 9.6 | +0.3, -0.15 | 55 | 432 | 1860 | 102 | 90 | |||
| 11.3 | 75 | 590 | 1860 | 139 | 122 | |||||
| 12.9 | +0.4, -0.2 | 100 | 785 | 1860 | 186 | 163 | ||||
| 15.7 | 150 | 1180 | 1770 | 265 | 233 |
We can also supply PC steel wire,unbounded steel strand,Epoxy coated PC steel strand. Welcome to contact us if you are interested in any of our products.
If you need price,pls show us these necessary specifications:Diameter, Number of wire, Tensile Strength, Quantity and Standard.
If you need any wires,pls contact us ..PC Strand,PC Wires,Black annealed iron wire, Galvanized iron wire, Bale tie wire,Tie wire , Stainless steel wire,Stainless steel woven mesh,Chain Link Mesh,Crimped Wire Mesh and so on.
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