What inspection methods are performed?

Inspections include chemical composition analysis, visual inspection, liquid penetrant test, X-ray, gas-tight test, and dimension inspection.

What is the expected lifespan of the tubes?

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

What is the packaging method?

Products are packaged in iron frame panels and wood boxes.

Professional Cast W, U, P, Single-Ended Radiant Tubes for Heating System

Name: Professional Cast W, U, P, Single-Ended Radiant Tubes for Heating System
Brand: Qingdao Zhongqi Hongyuan Trade Co., Ltd
SKU: 2015920032

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

Model NO.

Radiant Tube

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 tubes.

Wide Material Options: Available in HK, HP, 1.4848, 1.4852, 2.4879, SCH22, and other heat resistant alloys.

Multiple Shape Variants: Offered in Single-ended, U-type, W-type, and Double P-type configurations.

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

Comprehensive Inspection: Includes chemical analysis, visual inspection, PT, X-ray, gas-tight, and dimension checks.

Customizable Dimensions: Standard ODs include 127, 152, 178, 202mm, with custom sizes available per drawings.

Industrial Application Scope: Suitable for steel annealing lines, galvanizing lines, and various heat treatment furnaces.

Reliable Lifespan: Expected service life of 5 years or more, depending on specific 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: ≤4.27hTerms 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.