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Standard ASTMA416 7 Wire Low Relaxation PC Strand

    Payment Type: T/T,Paypal,Western Union
    Incoterm: FOB,CFR,CIF,FCA,CPT
    Min. Order: 25 Metric Ton
    Delivery Time: 15 Days
Basic Info

Model No.: JY-S-0136

Standard: GB, AISI, BS, DIN, ASTM, JIS

Tensile Strength: 1860MPA

Tesile Grade: 270K

Relaxation Grade: Low Relaxation

Lay: Left Hand Lay Or Right Hand Lay As Per Your Reuqests

Additional Info

Packaging: in coil with wovening cloth and wooden pallets

Productivity: 10 000tons per month

Brand: JUNYANGYUANYU

Transportation: Ocean,Land

Place of Origin: China

Supply Ability: 10000tons per month

Certificate: ISO9001

HS Code: 73121000

Port: Tianjin Port

Product Description

Low Relaxation Pc Strand is used where large spans are desirable such as in the Pre-stressed and Post-tensioned Concrete Market for the construction of bridge beams, shopping centres, car parks and high rise buildings.
low relaxation strand with the following advantages over normal relaxation strand:
Less Relaxation Loss
Higher Breaking Loads
Higher Proof Loads
Higher Fatigue and corrosion resistance
Better Performance at elevated temperature

Specification:
Raw Material: PC Strand 1860Mpa SWRH82B SWRH77B
Sizes: 9.3, 9.53, 10.8, 11.1, 12.5, 12.7, 12.9, 15.2, 15.7, 17.8, 18.0, 18.9, 21.6, 21.8mm
Standards: ASTM A416-2006, ASTM A910-2005, ABNT NBR 7483:2008, AS 1311(Australia), AS/NZS 4672.1, BS5896-1980, EN10138-3, GB/T5224-2003, IS6006-1983, JISG3536, KSD7002, UNE36094-97 (Spain), NEN3868
Tensile Strength over 1860MPa, Yield Strength over 1670MPa
Initial load to 70% breaking load, the relaxation at 1000 hours less than 2.0%
Lo over 610mm, the elongation over 4.0%
Package: baling strip, inner PVC film, outer damp-proof paper-plastic compound packing cloth, wooden pallet pedestal.
Package Weight: 2.0-4.0 tons per coil

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



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