Shandong Bangyi Metal Products Co., Ltd

China,Binzhou ,Shandong
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High Carbon Steel Low Relaxation Prestressed Concrete Strand For Bridges /

China High Carbon Steel Low Relaxation Prestressed Concrete Strand For Bridges /

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High Carbon Steel Low Relaxation Prestressed Concrete Strand For Bridges /

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Payment Terms	T/T
Supply Ability	70000 Tons/Year
Delivery Time	5-10 Days
Packaging Details	3.0-3.5Tons /Coil
Product Name	Low Relaxation Prestressed Concrete Strand
Steel Grade	SWRH 82B High Carbon Steel
Featrue	Low Relaxation
Standard	GB/T 5224-2014, ASTM A416, BS 5896, JIS G 3536
Diameter	9.53-21.8mm
Package	Packing in coils ,with PVC film and weaving bag / hessian cloth
Tensile strength	1860Mpa
Application	bridges on railway and highway, overhead crane beam, rock-soil anchoring project
Brand Name	Bangyi
Model Number	BY-PC-1*7
Certification	SGS, ISO, CE, ROHS
Place of Origin	Shandong, China

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Product Details
Company Details

Product Specification


Payment Terms	T/T	Supply Ability	70000 Tons/Year
Delivery Time	5-10 Days	Packaging Details	3.0-3.5Tons /Coil
Product Name	Low Relaxation Prestressed Concrete Strand	Steel Grade	SWRH 82B High Carbon Steel
Featrue	Low Relaxation	Standard	GB/T 5224-2014, ASTM A416, BS 5896, JIS G 3536
Diameter	9.53-21.8mm	Package	Packing in coils ,with PVC film and weaving bag / hessian cloth
Tensile strength	1860Mpa	Application	bridges on railway and highway, overhead crane beam, rock-soil anchoring project
Brand Name	Bangyi	Model Number	BY-PC-1*7
Certification	SGS, ISO, CE, ROHS	Place of Origin	Shandong, China
High Light	Low Relaxation Prestressed Concrete Strand ，Bridges Prestressed Steel Strand ，Steel Strand For Prestressed Concrete

High Carbon Steel Low Relaxation Prestressed Concrete Strand For Bridges / Buildings

Post Tensioning Wire High Carbon Steel Strand Low Relaxation Prestressed Tendon (PC Strand) for Bridges & Buildings

Product Introduction

Prestressed steel strand is a high-strength building material made from high-quality high carbon steel wire rod as raw material, which is cold drawn into steel wire through multiple processes such as acid washing, phosphating, and drawing. It is then twisted into bundles by 2-7 steel wires and finally stabilized.

Mainstream products can be divided into 1 × 7 standard type, 1 × 3 compact type, etc. according to their structure. The tensile strength can reach 1860MPa or more, the yield strength to tensile strength ratio is ≥ 0.9, and the elongation rate is ≥ 3.5%. All performance indicators comply with national standards such as GB/T 5224-2014.

Product Parameters

GB/T 5224-2014

Steel Strand Structure	Nominal Diameter Da /mm	Dia Tolerance /mm	Strand Nominal Cross-Sectional Area Sn/mm²	Approx. Weight per meter(g/m)	Range(extened)% of core wire's diameter not less than
1x7	9.50 (9.53)	+0.30 -0.15	54.8	430	2.5
1x7	11.10 (11.11)	+0.30 -0.15	74.2	582	2.5
1x7	12.70	+0.30 -0.15	98.7	775	2.5
1x7	15.20 (15.24)	+0.30 -0.15	140	1101	2.5
1x7	15.70	+0.40 -0.15	150	1178	2.5
1x7	17.80 (17.78)	+0.40 -0.15	191 (189.7)	1500	2.5
1x7	18.90	+0.40 -0.15	220	1727	2.5
1x7	21.60	+0.40 -0.15	285	2237	2.5

ASTM A416 1X7

Grade	Nominal Diameter (mm)	Tolerance (mm)	Area of Section (mm²)	Weight of strand (kg/1000m)	Minimum Breaking Load (KN)	Minimum Load at 1% extension (KN)	Elongation not less than (%)	1000Hrs Relaxation Value Not More Than
250	9.53	±0.41	51.61	405	89.0	80.1	3.5	2.5 \| 3.5
250	11.11	±0.41	69.68	548	120.1	108.1	3.5	2.5 \| 3.5
250	12.70	±0.41	92.90	730	160.1	144.1	3.5	2.5 \| 3.5
250	15.24	±0.41	139.35	1094	240.2	216.2	3.5	2.5 \| 3.5
270	9.53	+0.65 -0.15	54.84	432	102.3	92.1	3.5	2.5 \| 3.5
270	11.11	+0.65 -0.15	74.19	582	137.9	124.1	3.5	2.5 \| 3.5
270	12.7	+0.65 -0.15	98.71	775	183.7	165.3	3.5	2.5 \| 3.5
270	15.24	+0.65 -0.15	140.00	1102	260.7	234.6	3.5	2.5 \| 3.5

Product Shown

Product Advantages

Compared to ordinary steel bars, prestressed steel strands have three core advantages:

High strength density ratio: Under the same load-bearing requirements, the amount of steel used is only 1/4 of that of ordinary steel bars, greatly reducing the self weight of the structure
High relaxation stability: After low-temperature tempering stabilization treatment, the relaxation rate after 1000 hours is ≤ 2.5%, and the long-term stress loss is small
Excellent corrosion resistance: After surface galvanizing or epoxy coating treatment, it can serve for a long time in harsh environments such as high humidity and corrosive soil

Product Application

The product is widely used in the field of large-scale civil engineering:

Bridge engineering: Prestressed tensioning of large-span box girders and cable-stayed bridge cables
Hydraulic engineering: Crack resistance reinforcement for hydroelectric dam and culvert
Construction engineering: Stress control of super high-rise building floors and prefabricated components
Geotechnical engineering: Slope support, mining anchor cables and other applications

Providing reliable mechanical support for various heavy-duty and large-span structures.

Product Certificate

Our steel wire rope meets international production standards and has obtained multiple certifications:

SGS CE ISO

Company Details

Bronze Gleitlager

Bronze Sleeve Bushings

and

Graphite Plugged Bushings

from Quality China Factory

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Year Established:

1996 
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Total Annual:

50 million US dollars-70 million US dollars
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Ecer Certification：

Verified Supplier 

Shandong Bangyi company is a manufacturer who only focus on galvanized steel wire rope, galvanized steel strand, PC steel strand with morethan 30 years of experience in production. Annual output exceeding 70000 tons. Our product diameter range includes galvanized steel wire rope: 1-20mm; galvanize... Shandong Bangyi company is a manufacturer who only focus on galvanized steel wire rope, galvanized steel strand, PC steel strand with morethan 30 years of experience in production. Annual output exceeding 70000 tons. Our product diameter range includes galvanized steel wire rope: 1-20mm; galvanize...

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Shandong Bangyi Metal Products Co., Ltd
Xujiadaokou Village, Shuiwan Town, Wudi County, Binzhou, Shandong, China
https://www.metalwirerope.com/

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