Post-tension concrete strand 7-Wire in Buildings
Steel Grade:82B 77B
Standard:ASTM, BS, GB, ASTM416 BS5896
Place of Origin:Tianjin, China
Type:pre-stressed concrete strand
Application:Construction Bridge High Railway
Alloy Or Not:Non-alloy
Special Use:Free Cutting Steel
Diameter:9.53mm 12.7mm 15.2mm
Tensile strength:1670Mpa,1770Mpa,1860Mpa
Grade:270K/250K
Material:High carbon steel
Structure:1*2, 1*3, 1*7
1.Packaging Details
Packing: Export anti-rust packing
Product packaging size: 120cm*120cm*76cm
Single product weight: 2.5-3.5 tons
we can also provide other standards and diameters as per customer's special requirement.
2.Standard
The Post-tension concrete strand is mainly used as auxiilary reinforcing strand for concrete structure,e.g.long-span bridges on railway and highway, overhead crane construction, multi-floor industrial building etc.
Prestressing PC steel strand confirming to technical standards, such as GB/T5224-2003 of China, ASTMA416 of the USA, BS5896:80 of Britain, JIS G3536-88 of Japan, or the stardard agreed by both the customer and us.
|
AS1311 |
||||
|
Type |
Common |
Super |
Extra-high tensile |
|
|
Mm Nominal diameter |
9.3/10.9/12.7/15.2/18 |
9.3/10.9/12.7/15.2/18 |
15.2 |
|
|
Mm diameter tolerance |
±0.4 |
±0.4 |
±0.4 |
|
|
Mm2 Nominal area |
52/71/94/139/199 |
55/75/100/143/199 |
143 |
|
|
Kg/1000m Nominal weight |
410/555/740/1090/1560 |
430/590/785/1125/1560 |
1125 |
|
|
KN Minbreaking strength |
94/125/165/227/311 |
102/138/184/250/338 |
261 |
|
|
KN Min.yield strength |
85% Min.brea king strength |
|||
|
L0>500mm Min. Elongation |
3.5% |
|||
|
L0>500mm Min. Elongation |
Initial Load of Min Nominal Breaking strength |
70%/80% |
||
|
1000h Value no more than |
2.5%/4.5% |
|||
|
JISG3536 |
||||
|
Type |
SWPR7AN |
SWPR7AL |
SWPR7BN |
SWPR7BL |
|
Mm Nominal Diameter |
9.3/10.8 |
12.4/15.2 |
9.5/11.1 |
12.7/15.2 |
|
Mm Diameter Tolerance |
+0.4/-0.2 |
|||
|
mm2 Nominal Area |
51.61/69.68 |
92.9/138.7 |
54.84/74.19 |
98.71/138.7 |
|
Kg/1000m Nominal Weight |
405/546 |
729/1101 |
432/580 |
774/1101 |
|
KN Min.breaking Strength |
88.8/120 |
160/240 |
102/138 |
183/261 |
|
KN Min.yiled Strength |
75.5/102 |
136/204 |
86.8/118 |
156/222 |
|
L0>500mm Min. Elongation |
3.5% |
|||
|
Relaxation |
Initial Load of Min Nominal Breaking Strength |
7.0% |
||
|
1000h Value No More Than |
2.5% |
|||
|
BS5896 |
|||
|
Type |
Standard 7wire |
Super 7wire |
|
|
Mm Nominal Diameter |
9.3/11/12.5/15.2 |
9.6/11.3/12.9/15.7 |
|
|
Mm Diameter Tolerance |
+0.3/-0.15/+0.4/-0.2 |
+0.3/-0.15/+0.4/-0.2 |
|
|
Mm2 Nominal Area |
52/71/93/139 |
55/75/100/150 |
|
|
Kg/1000m Nominal Weight |
408/557/730/1090 |
432/590/785/1180 |
|
|
KN Strength Grade |
1770/1770/1770/1670 |
1860/1860/1860/1770 |
|
|
KN Minbreaking Strength |
92/125/164/232 |
102/139/186/265 |
|
|
KN Min.yield Strength |
85% Min.brea king strength |
||
|
L0>500mm Min. Elongation |
3.5% |
||
|
L0>500mm Min. Elongation |
Initial Load of Min Nominal Breaking Strength |
60%/70%/80% |
|
|
1000h Value No More Than |
1.0%/2.5%/4.5% |
||
3.Application
Low relaxation wire used for prestressed steel structure, prestressed and post-tensioning technology in large, medium and small sizes of various shapes of PC structures, such as civil engineering construction of large scale railroad,highway, etc.
4.Our service
a.We are an ISO certified steel mill established in 1998.
b.we can supply the free sample,but the customers have to pay the courier cost.
c.Terms of payment:T/T 30% as deposit, and 70% before delivery.
d.We keep good quality and competitive price to ensure our customers benefit.
e.We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.
5.Other Products
d.Prestressing Anchor And Wedges
