出生地 |
Tianjin China (Mainland) |
牌子的名字 |
MX |
材料 |
钢铁 |
SPIRAL PC WIRE: We are a profressional manufacturer of Prestressed concretewire in China. A 421/A 421M-05 Tensile Strength Requirements Nominal Diameter,mm (in) Tensile Strength,min,Mpa(psi) Type BA Type WA 4.88(0.192) 1725(250 000) 4.98(0.196) 1655(240 000) 1725(250 000) 6.35(0.250) 1655(240 000) 1655(240 000) 7.01(0.276) 1620(235 000) 1620(235 000) Yield Strength Requirements Nominal Diameter,mm (in) Intial Stress MPa(psi) Minimum Stress at 1% Extension,MPa(psi) Type BA Type WA 4.88(0.192) 200(29 000) 1465(212 500) 4.98(0.196) 200(29 000) 1407(204 000) 1465(212 500) 6.35(0.250) 200(29 000) 1407(204 000) 1407(204 000) 7.01(0.276) 200(29 000) 1377(199 750) 1377(199 750) BS5896-1980Diameter anddeviationmmNominalsizemNominal Weightg/mMinimumbreaking loadKNNominal tensilestrengthMpa4.0±0.044.5±0.055.0±0.056.0±0.057.0±0.0512.6015.9019.6028.3038.5099.912515422230221.022.325.832.734.747.350.160.464.31670177016201670177016701770157016700.1% Test loadKN0.1% Nominalstress testMpa0.1% elongationwhen the loadKNThenumberofrepeatedbendingElongationLo=200MM%1000hours ofrelaxationrate%17.518.521.427.228.839.341.650.153.4139014701350139014701300139017.919.021.927.829.540.242.651.354.7Smooth wire≥4Nick wire≥3≥3.5≥3.5≥3.5≥3.5≥3.5≤2.5≤2.5≤2.5≤2.5≤2.5 GB/T 5223-2002 Nominal Diameter Dn/mm The number of spiral ribs Base circle size Size of the outer contour Single-rib size Spiral rib Lead Base diameter D1/mm Tolerance /mm Diameter of the outer contour D/mm Tolerance /mm Width a/mm C/mm 4.00 4 3.85 ±0.05 4.25 ±0.05 0.90-1.30 24-30 4.80 4 4.60 5.10 1.30-1.70 28-36 5.00 4 4.80 5.30 6.00 4 5.80 6.30 1.60-2.00 30-38 6.25 4 6.00 6.70 30-40 7.00 4 6.73 7.46 ±0.10 1.80-2020 35-45 8.00 4 7.75 8.45 2.00-2.40 40-50