What are the payment terms?

We accept LC (Letter of Credit) and T/T (Telegraphic Transfer) for payments.

What is the lead time for production?

The average lead time is 1-3 months, regardless of peak or off-season periods.

Can the tubes be customized?

Yes, we offer customization for usage, process, surface treatment, and dimensions (OD) as per customer requirements.

Cast Radiant Tubes for Heating System with Recuperators, Burners, Electrical Heating Elements Inside or Not

Name: Cast Radiant Tubes for Heating System with Recuperators, Burners, Electrical Heating Elements Inside or Not
Brand: Qingdao Zhongqi Hongyuan Trade Co., Ltd
SKU: 2013085462

Shandong, ChinaQingdao Zhongqi Hongyuan Trade Co., Ltd

US$300.00-3,000.00

1 Set

Product profile

Customization

Available

Type

Cntrifugal Casting Tubes

Standard

AISI, ASTM, DIN, JIS, GB, BS, GOST

Composition

Heat Resistant Alloy Steel

Technique

Centrifugal Casting

Shape

Tube

Surface Treatment

Sand Blasting

Special Use

Industrial Heating Furnaces

Application

Steel Factory's Annealing Line, Galvanizing Line

Usage

Heat Treatment Furnaces

Process

Centrifugal Casting

Outside Surface

as Cast

Inside Surface

Grinded and/or Bored

Working Temperature

700-1250 Celsius Degree

Lifespan

5 Years More or Less Depends on Working Conditions

Od

127, 152, 178, 184, 202 etc

Transport Package

Irom Frame Panel Wood Box

Specification

OD100-500

Trademark

none

Origin

China

HS Code

8417909000

Production Capacity

10000 PCS/Year

Key features

Centrifugal Casting Technique: Manufactured using centrifugal casting for high-quality heat resistant alloy steel tubes.

Wide Material Selection: Available in High Nickel, High Chrome, Cobalt base alloys, and custom specifications.

Versatile Application: Used in steel annealing, galvanizing, metallurgical, and ceramic heating furnaces.

Multiple Tube Shapes: Offers U type, W type, P type, and Single-End type designs for various furnaces.

High Temperature Resistance: Designed to withstand working temperatures from 700 to 1250 Celsius degrees.

Customizable Dimensions: Outer diameters available in 127, 152, 178, 184, 202 mm, or as per customer requirements.

Long Service Life: Lifespan exceeds 5 years depending on specific working conditions.

Surface Treatment Options: Options include sand blasting, grinded, and/or bored inside surfaces.

Company profile

Qingdao Zhongqi Hongyuan Trade Co., Ltd

Shandong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2016-01-01Nearest Port: QingdaoAverage Response Time: ≤3.64hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryThe supplier information presents a company associated with heat-resistant alloy steel castings, industrial furnace components, and related equipment. It reports more than 10 years of production experience, 6–10 years of R&D engineer experience, 50 quality-control staff, and two production lines. The supplier claims good product quality and after-sales support, but these claims are not independently substantiated in the provided data. Export activity is indicated by export markets, 71%–90% export sales, and accepted international trade terms, with stated lead times of 2–3 months. However, the records also identify QINGDAO ZHONGQI HONGYUAN TRADE CO., LTD as registered in July 2025 and show bearing products supplied to one named buyer, creating uncertainty about the relationship between the trading entity and the described heat-resistant-alloy manufacturer. No certification information, verified financial evidence, or specific customization capability is provided.

After-Sales capabilityThe company description explicitly claims good reputation and perfect after-sales service, indicating a stated service commitment. No service team structure, response-time data, warranty terms, or verified customer-service evidence is provided.

R&D capabilityThe supplier reports 6–10 years of total R&D engineer experience and more than 10 years of experience producing heat-resistant alloy steel casting products. These data support experienced technical personnel, but no patents, new-product development record, laboratory capability, or documented innovation outcomes are stated.

Production capacityThe supplier states more than 10 years of production experience, two production lines, 50 quality-control staff, and product coverage spanning radiant tubes, catalyst reformer tubes, furnace rolls, heat-resistant alloy castings, and other furnace components. This provides explicit evidence of established production resources and experience, although the bearing-product records and unclear entity linkage introduce some qualification uncertainty.

Client casesThe records associate the supplier with BENCO THERMAL TECHNOLOGIES PRIVATE LIMITED and list multiple bearing products, including pillow blocks and a spherical roller bearing. This is evidence of at least one associated buyer and several product transactions, but it does not establish the scale, quality, repeat nature, or successful completion of those engagements.

Product Q&A

Q:What materials are used for the radiant tubes?

Materials include High Nickel alloy, High Chrome heat resistant alloy, and Cobalt base alloy, such as HU, HT, HK, HP, HW, and various standard grades like 1.4865 or custom requirements.

Q:What is the working temperature range?

The radiant tubes are designed for working temperatures between 700 and 1250 Celsius degrees.

Q:What manufacturing techniques are applied?

The primary technique is centrifugal casting, but we also supply products made via precision casting, investment casting, static casting, and welding.

Q:What are the common applications for these tubes?

They are widely used in industrial heating furnaces, steel factory annealing and galvanizing lines, metallurgical, electrical, and ceramic industries.

Q:What types of radiant tubes are available?

We provide U type, W type, P type, and Single-End type radiant tubes, including gas and electric heating variants.