What does low relaxation mean?

It means the prestress loss stays within limited range for long-term bridge operation.

Can accept third-party inspection?

SGS or other third-party inspection is acceptable before shipment.

Can supply MTC certificate?

Yes, batch MTC material test reports are available.

What is your delivery time?

10-20 working days for standard sizes, longer lead time for anti-corrosion customized orders.

What types of bridge projects fit this bar?

Highway, railway, municipal overpass and large-span bridge prestressing projects.

Hot Rolled Thread Bar for Large Concrete Foundation Building

Name: Hot Rolled Thread Bar for Large Concrete Foundation Building
Brand: Tianjin Zengze Steel Trading Co., Ltd.
SKU: 1938266362

Tianjin, ChinaTianjin Zengze Steel Trading Co., Ltd.

US$480.00

5-9 Tons

US$470.00

10-19 Tons

US$460.00

20-49 Tons

US$450.00

50-99 Tons

US$430.00

100+ Tons

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Online Technical Support; on-Site Engineer Availab

Warranty

1 Year

Model NO.

ZZ-H-180

Length

6m,9m,12m, or Customized

Standard

Grade

HRB400 / Hrb400e / HRB500 / Hrb500e

Material

Hot Rolled Deformed Steel Bar (Low-Alloy High-Stre

Nominal Diameter

6mm-40mm (up to 50mm Customizable)

Yield Strength

≥400MPa (HRB400) / ≥500MPa (HRB500)

Tensile Strength

≥540MPa (HRB400) / ≥630MPa (HRB500)

Elongation

≥16% (HRB400) / ≥17% (HRB500)

Uniform Elongation

Agt ≥7.5% (Seismic Grade E)

Surface Shape

Hot-Rolled Deformed (Ribbed); Free From Cracks, Se

Delivery Condition

Hot Rolled

Processing Service

Cutting to Length, Bending, Threading, Coupler Thr

Connection Method

Mechanical Splice (Threaded Coupler) / Lapping / W

Application

Concrete Reinforcement for Buildings, Bridges, Roa

Packaging

Bundle with Wire/Steel Strip, Tagged with Heat Num

Unit

Ton (Theoretical Weight, Deviation Per National St

Certification

ISO9001; Mill Test Certificate (Mtc) Supplied with

Transport Package

Standard Package (Steel-Strip Bundled, Pallet/Expo

Specification

standard size

Trademark

Zengze

Origin

China

HS Code

7216331900

Production Capacity

5000 Tons Per Month

Key features

Seismic Performance: Excellent ductility and toughness designed for seismic-grade building projects.

Customized Dimensions: Nominal diameter up to 50mm and fixed lengths available upon request.

High Bonding Strength: Ribbed surface structure ensures firm occlusion and prevents sliding with concrete.

Full Processing Services: Supports cutting, bending, and threading according to construction drawings.

Standard Compliance: 100% compliant with GB/T 1499.2-2018 for engineering bidding and acceptance.

Free MTC Certificate: Complete batch material test reports provided free of charge for quality inspection.

Fast Delivery: 7-15 working days for standard specs; 10-20 days for customized orders.

Enhances overall foundation rigidity and structural stability, significantly improving building safety and service life.

Strict hot rolling process control, uniform metallurgical structure, zero surface defects, meeting large project bidding standards.

Full batch mechanical and chemical testing, official MTC certificates available for large foundation project inspection and acceptance.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceFast Delivery

Tianjin Zengze Steel Trading Co., Ltd.

Tianjin, China

CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 17 Years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤0.82h CertifiedTerms of Payment: LC, T/T, D/P, etc.

About Our Factory & Business Background

AddressBeichen District Beicang Way Names Material, Tianjin, China

Plant Area50 square meters

Number of Employees2

Registered Capital5,000,000 RMB

International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Minimum Order Quantity100 Kg

Supply Chain Partners10

Our Production Capability & Technical Expertise

Main ProductsSteel And Laser Cladding Machine

R&D Engineers1 people

Our Industry Experience & Global Business Record

Year of Establishment2007-12-11

Main MarketsEurope, Domestic, Asia

Repeat Buyers Choice80%~100%

Number of Foreign Trading Staff1

Overseas Agent/BranchNo

New Products Launched in Last yearNo

Our Certifications, Standards & Industry Recognition

Cooperated with Fortune 500No

Product Q&A

Q:What is PSB930 threaded steel bar used for?

It is mainly applied to bridge prestressing, pier reinforcement, foundation anti-floating and slope anchoring.

Q:What is the advantage of full thread design?

Thread runs through the whole bar, so anchoring and connection can be realized at any position.

Q:Can it be used in humid underground bridge foundation?

Yes, anti-corrosion coating service can be provided to resist underground water corrosion.

Q:What diameters are available?

18mm to 50mm, custom fixed length cutting supported.

Q:Do you supply matching anchorage accessories?

Yes, anchor nuts, couplers, anchor plates and protective caps are available.

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