What materials are used in the double-layer pipe elbow?

Tonrin's double-alloy bent pipe uses high-quality double-layer alloy material, offering superior thickness and hardness compared to ordinary bent pipes.

High-Quality Double-Layer Pipe Elbow for Concrete Pumps, 125A-29r385

Name: High-Quality Double-Layer Pipe Elbow for Concrete Pumps, 125A-29r385
Brand: Changsha Tonrin Concrete Machinery Co., Ltd.
SKU: 2137681862

Hunan, ChinaChangsha Tonrin Concrete Machinery Co., Ltd.

US$46.00

5-9 Pieces

US$43.00

10-19 Pieces

US$40.00

20+ Pieces

Product specifications

Color

Product profile

Type

Pipeline

Application

Concrete Pump Trucks

Condition

New

Model NO.

29R385

Weight

10.5kg

Transport Package

Standard Packaging

Specification

125*29R385

Origin

Changsha, China

Key features

Double-Layer Alloy Material: High-quality double-layer alloy offers superior thickness and hardness for extreme wear resistance.

High Hardness Quenching: Quenching process achieves HRC 65 hardness, effectively withstanding powerful concrete impacts.

Smooth Inner Wall Design: Ensures unobstructed concrete flow, reducing blockage risks and improving transportation efficiency.

Durable Surface Paint: Baking paint process prevents discoloration, rust, and peeling for long-lasting protection.

Automatic Flange Welding: Precision welding technology ensures strong joints that are less prone to detachment under stress.

Customizable Specifications: Supports customization for pipeline sizes and angles to fit various concrete pump models.

12-Month Warranty: Standard warranty covers 12 months or 60,000 cubic meters with quality assurance standards.

Global 24/7 Support: Round-the-clock technical assistance and spare parts supply available worldwide.

Company profile

Changsha Tonrin Concrete Machinery Co., Ltd.

Hunan, China

CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 0 Year CertifiedNearest Port: Ningbo PortAverage Response Time: ≤0.61h CertifiedTerms of Payment: T/T, LC, PayPal

AI-Powered supplier vetting

SummaryChangsha Tonrin Concrete Machinery Co., Ltd. is a China-based limited trading company established in 2016 with six employees. Its stated offerings include used concrete pump trucks and parts, while its wider scope covers construction machinery sales, mechanical-part sales, equipment research and development, repair, leasing, and related services. The supplier states that it provides customization from samples and designs and has one technology engineer supporting customer-request confirmation, design, production, and after-sales technical support. However, it reported no new products in the past year, no ODM, OEM for popular brands, or SDK capability, and zero quality-control test equipment. Raw-material and product traceability status is unknown. An audit by CTI is recorded with a report period from January 19, 2026 to January 18, 2027, but the stated audit evaluation result is 0, and no certification details are provided. Financial-related records are present for multiple years, but the supplied...

Supplier typeThe supplier is explicitly identified as a trading company and limited company, established in China in 2016, with six employees. Its stated product focus is used concrete pump trucks and parts, supported by broader machinery sales and related service activities.

After-Sales capabilityThe supplier states that its technology engineer provides technical support for production and after-sales service, and its business scope includes electrical-equipment repair and machinery-related services. This supports the existence of some after-sales capability, although the small team size and absence of detailed service resources limit the strength of the assessment.

R&D capabilityThe supplier has one R&D engineer responsible for customer-request confirmation, new-product design, and technical support. However, it reported no new products in the past year and no ODM, popular-brand OEM, or SDK capability, indicating limited demonstrated innovation output and service breadth.

Customization capabilityThe supplier explicitly offers customization from samples and designs. Its single technology engineer is responsible for confirming customer requirements and designing new products, directly supporting customization capability despite limited documented engineering capacity.

Product Q&A

Q:Why choose us?

1.On-time delivery 2.More than 10 years of trading experience 3. Lowest factory price with high quality 4.Low MOQ for small business 5.Meet safety standard for Europe and USA 6.Professional customized technology 7.Can offer Professional shipping agent to help you send the goods of safe and quickly

Q:Can I request a customized size?

Absolutely!

Q:What documents do you provide for export?

Full export package (Commercial Invoice, Packing List, Bill of Lading, COC, etc.).

Q:How do I place an order?

Q:What is the hardness of the pipe elbow?

The quenching process ensures the HRC hardness reaches 65, providing high resistance to wear and impact.