Precision 304 Stainless Steel Tube for Shell Tube Cooler with Smooth Inner Surface

Name: Precision 304 Stainless Steel Tube for Shell Tube Cooler with Smooth Inner Surface
Brand: CNB NEW MATERIAL (TIANJIN) CO., LTD.
SKU: 2298512895

Tianjin, ChinaCNB NEW MATERIAL (TIANJIN) CO., LTD.

US$750.00-2,000.00

1 Ton

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Negotiable

Warranty

Negotiable

Model NO.

CNB-SS

Standard

ASTM, JIS, GB, AISI, DIN, BS

Certification

ISO, RoHS, IBR

Surface Treatment

Polished

Technique

Cold Rolled

Application

Flange Plate

Edge

Mill

Stock

Inventory

in Stock

Application for

Heat Exchanger, Condenser, Superheater, Reheater

Material Grade

AISI 304, 304L, 316L, 321, 321H, 2205

Tube Type

Seamless Cold Drawn, Welded, U-Bend, Finned, Coil

Transport Package

Standard Seaworthing Package

Trademark

CNB

Origin

Tisco

Production Capacity

100000tons/Year

Key features

Titanium-Stabilized 321 Stainless Steel Tube for High-Temperature Heat Exchangers.

Duplex 2205 Tube Eliminates Chloride Stress Corrosion Cracking.

Custom U-Bend and Finning from a Single Stainless Steel Tube Supplier.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceCooperated with Fortune 500Multi-language Pioneer

CNB NEW MATERIAL (TIANJIN) CO., LTD.

Tianjin, China

CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 2 years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤2.18h CertifiedTerms of Payment: LC, T/T, PayPal, etc.

AI-Powered supplier vetting

SummaryCNB NEW MATERIAL (TIANJIN) CO., LTD. is a China-based trading company established in 2023 with three employees. It reports quality assurance, raw-material traceability, written inspection instructions, in-stock capability, and customization from samples or designs. The company states that 90% of sales are exports and cites international companies as fixed raw-material customers, although no specific case details are provided. Service reach is limited: it reports no overseas agents or branches, overseas warehouses, overseas showroom, offline trade-show participation, or overseas service countries. R&D evidence is weak, with no new product information in the past year, no ODM, no SDK, and no branded OEM capability. Financial information provided shows zero operating revenue and zero profit-related figures for the stated periods, requiring caution. Outsourcing procedures, manufacturing-capacity contracts, corrective-action records, complaint-handling records, and supplier-assessment records are incomplete or...

Financial creditThe submitted financial slices report zero operating revenue and zero profit-related figures for the stated periods, while current ratios are also reported as zero. These figures do not demonstrate financial strength and indicate a material need for verification before relying on the supplier’s financial capacity.

R&D capabilityThe supplier reports no new product information during the past year, no ODM service, and no available SDK. Although it can customize from samples and designs, the provided evidence does not support strong independent R&D or innovation capability.

Customization capabilityCustomization from samples and customization from designs are explicitly available through both design services and R&D-related services. This supports the supplier’s ability to handle customer-specific requirements, although no evidence is provided regarding production scale or technical complexity.

Client casesThe supplier states that it has become a fixed raw-material supplier to Panasonic, Toyota, Honda, IKEA, and Komatsu, and reports that 90% of total sales are exports. These named customer claims provide positive case evidence, but the slices do not include order scope, duration, product details, or independently verifiable references.

Product Q&A

Q:Why choose 321 stainless steel tube instead of 304 for a high-temperature heat exchanger?

321 stainless steel tube is titanium-stabilized, which prevents chromium carbide precipitation at grain boundaries during welding or high-temperature service (500 Celsius-900 Celsius). Standard 304 can suffer from intergranular corrosion (weld decay) in this temperature range. For heat exchangers operating above 500 Celsius, 321 stainless steel tube provides significantly longer service life and better reliability.

Q:Can you supply stainless steel U-bend tubes to our heat exchanger drawing?

Yes, we supply stainless steel U-bend tubes bent to your specified bend radius, leg length, and tube pitch. Our CNC bending equipment ensures consistent bend geometry and wall thinning within ASME and TEMA limits. Both seamless and welded tubes can be supplied in U-bend configuration. Full dimensional inspection and hydrostatic testing are performed after bending.

Q:What testing do you perform on stainless steel heat exchanger tubes before shipment?

Every stainless steel heat exchanger tube undergoes 100% non-destructive testing-eddy current for general wall integrity and longitudinal defects, and hydrostatic testing at 1.5 x design pressure for leak detection. Additional ultrasonic testing, PMI (Positive Material Identification), and intergranular corrosion testing (ASTM A262 Practice E for 321) are available upon request.