What is the delivery time?

Delivery takes 30-90 days, depending on the quantity and production schedule.

What is the expected lifespan of the product?

The lifespan is approximately 5 years or more, depending on the specific working conditions.

Can the tubes be customized?

Yes, sizes and shapes can be customized, usually made according to customer drawings.

Cast Radiant Tubes Made of Centrifugal Casting

Name: Cast Radiant Tubes Made of Centrifugal Casting
Brand: Qingdao Zhongqi Hongyuan Trade Co., Ltd
SKU: 2011911522

Shandong, ChinaQingdao Zhongqi Hongyuan Trade Co., Ltd

US$300.00-3,000.00

1 Set

Product profile

Customization

Available

Material

HK, Hn, Hu, HP, More2, 1.4848, 1.4852, 2.4879 etc

Shape

Tube

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

Type

Cntrifugal Casting Tubes

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 Process: Manufactured using centrifugal casting for high-quality, dense alloy structure.

Wide Material Selection: Available in HK, HP, 1.4848, 1.4852, 2.4879, and other heat-resistant alloys.

Multiple Shape Options: Offers Single-ended, U-type, W-type, and Double P-type configurations.

Custom Size & Drawing: Sizes like OD127-203mm available; usually made per customer drawings.

Strict Quality Inspection: Includes chemical analysis, PT, X-ray, and gas-tightness tests.

High Temperature Resistance: Designed for working temperatures between 700-1250 Celsius degrees.

Versatile Industrial Use: Ideal for heat treatment furnaces in steel and nonferrous metal industries.

Reliable Lifespan: Provides a lifespan of 5 years or more depending on working conditions.

Company profile

Qingdao Zhongqi Hongyuan Trade Co., Ltd

Shandong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2016-01-01Nearest Port: QingdaoAverage Response Time: ≤4.21hTerms 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?

We use heat-resistant cast alloys such as HK, HN, HU, HP, 1.4848, 1.4852, 2.4879, SCH22, and SUPER22H.

Q:What shapes of radiant tubes are available?

We provide Single-ended (I type), P type, Double P type, U type, and W type radiant tubes.

Q:What is the working temperature range?

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

Q:How are the tubes manufactured?

They are primarily made using centrifugal casting, but also include rolled tubes, welded tubes, and static casting elbows.

Q:What inspection methods are applied?

Inspections include chemical composition analysis, visual inspection, liquid penetrant test (PT), welding seam X-ray, gas-tight test, and dimension inspection.