What are the coil dimensions and weight?

Coil weight is 2.5-4.0MT, with a Coil ID of 76cm, Coil OD of 125cm or 140cm, and Coil Width of 76cm.

How long is the lead time for orders?

The average lead time is one month for both peak and off-peak seasons.

Low-Relaxation Seven-Wire Steel Strand for Prestressed Concrete

Name: Low-Relaxation Seven-Wire Steel Strand for Prestressed Concrete
Brand: SILVERY DRAGON PRESTRESSED MATERIALS CO., LTD. TIANJIN
SKU: 1970079385

Tianjin, ChinaSILVERY DRAGON PRESTRESSED MATERIALS CO., LTD. TIANJIN

US$799.00-999.00

25 Tons

Sample price:US$1.00/piece.Request sample

Product profile

Application

Concrete Works

Certification

CCC, CE, ISO

Standard

Astma416, BS5896, En10138-3, GB/T5224, Jisg3536

Model NO.

8.0mm-21.6mm

Tensile Strengh

1770MPa, 1860MPa, 2000MPa

Export Packing

Baling Strip, Plastic Cover, PP Packing Cloth

Weight

2.5-4.0mt Per Coil

Coil ID

76cm(30in)

Coil Od

125cm(49in) 140cm(55in)

Coil Width

76cm(30in)

Function

Strengthen

Type

Special Steel Wire

Material

High Carbon Rod

Transport Package

Standard Export Packing

Specification

9.3mm, 9.53mm, 12.5mm, 12.7mm, 15.2mm

Trademark

Silvery Dragon or as customer required

Origin

China

HS Code

7312100000

Production Capacity

180, 000mt/Year

Key features

Wide Diameter Range: Available in 11 sizes from 8.0mm to 21.6mm for various concrete needs.

High Tensile Strength: Offers 1770MPa, 1860MPa, and 2000MPa options for superior load bearing.

Global Standard Compliance: Meets over 15 international standards including ASTM, BS, EN, and JIS.

Mass Production Capacity: 8 production lines with an annual output of 150,000 tons.

Customizable Specifications: Can produce any seven-wire PC strand type according to customer orders.

Extensive Export Experience: Exporting to 63 countries since 1998 with continuous largest volume in China.

Comprehensive Certifications: Holds CCC, CE, ISO certifications and approvals from Spain, UK, Norway, etc.

Company profile

SILVERY DRAGON PRESTRESSED MATERIALS CO., LTD. TIANJIN

Tianjin, China

CertifiedBusiness Type: Manufacturer/Factory & Trading CompanyExport Year: 1998-05-01 CertifiedNearest Port: Tianjin PortAverage Response Time: >24h CertifiedTerms of Payment: LC, T/T, D/P, etc. CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR

AI-Powered supplier vetting

SummarySilvery Dragon Prestressed Materials Co., Ltd. Tianjin is a China-based public company established in 1998, with 276 employees and a Tianjin manufacturing location. The supplier reports more than 10 production lines and annual output of 420,000 tons of PC wire, 220,000 tons of PC strand, and 10,000 tons of PC bar. It holds ISO9001:2015 and ISO14001:2015 certifications and describes substantial R&D activity, technology-center resources, and cooperation with research institutions and universities. Export activity began in 1998, with 41%–50% of sales reportedly from exports. Evidence is insufficient to assess after-sales service, financial credibility, customization capability, or customer cases.

Supplier typeThe supplier is identified as a public company based in Tianjin, China, established in 1998. Its stated focus is the research and production of prestressed concrete steel materials and railway track concrete products, with additional listed activities including automation equipment and engineering-management information systems.

CertificationsThe supplier explicitly reports ISO9001:2015 and ISO14001:2015 certificates, along with other unspecified certifications. This provides direct evidence of certified quality and environmental management systems.

R&D capabilityThe supplier reports dozens of R&D projects annually, a national laboratory and technology center, cooperation with the China Academy of Railway Sciences and universities, independent innovation capability, and an inventor role in spiral drawing models and spiral ribbed prestressed steel wire. These statements directly support a strong innovation profile.

Production capacityThe supplier reports more than 10 production lines and annual capacities of 420,000 tons of PC wire, 220,000 tons of PC strand, and 10,000 tons of PC bar. It also states that total annual production capacity exceeds 650,000 tons and that it operates five production bases across China, indicating substantial production scale.