Stabilized 321 Stainless Steel Tube for Superheater Boiler with High Pressure Seamless

Name: Stabilized 321 Stainless Steel Tube for Superheater Boiler with High Pressure Seamless
Brand: CNB NEW MATERIAL (TIANJIN) CO., LTD.
SKU: 2306207345

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, Pressure Vessel, Boiler, Pump

Material Grade

AISI 304L, 316L, 309S, 310S, 321, 347H, 2205

Available Form

Sheet, Plate, Seamless Tube, Welded Tube

Surface Finish

2b, Ba, No.1, Annealed & Pickled, Bright Annealed

Transport Package

Standard Seaworthing Package

Trademark

CNB

Origin

Tisco

Production Capacity

100000tons/Year

Key features

Our 309S and 310S stainless steel sheets and plates provide oxidation resistance up to 1100 Celsius, making them the trusted building material for industrial furnaces, kilns, and boilers.

SPCE-equivalent and DC04 deep drawing stainless steel sheets provide the elongation and uniform grain structure needed for sink bowl pressing and complex cookware shapes.

Our electropolished stainless steel tube inner surface meets the cleanability requirements of medical device and pharmaceutical manufacturing.

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: ≤2.51h 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:What stainless steel grade is recommended for a shell and tube heat exchanger in a chemical plant?

The grade depends on the process fluids. For general chemical service, AISI 316L stainless steel tube is the standard choice due to its molybdenum content providing pitting resistance. For chloride-containing fluids, 2205 duplex or 254SMO super austenitic stainless steel tube is recommended to prevent chloride stress corrosion cracking. Our engineering team can advise based on your specific process conditions.

Q:Can you supply stainless steel plates with EN 10204 3.2 certification for pressure vessel fabrication?

Yes, we supply stainless steel plate from 3mm to 200mm thickness with EN 10204 3.2 certification witnessed by third-party inspection agencies including Lloyd's Register, Bureau Veritas and SGS. Full chemical analysis, mechanical testing, and ultrasonic testing documentation are provided.

Q:What is the difference between 304L and 321 stainless steel tube for high-temperature service?

304L has lower carbon content for improved weldability but is limited to 425 Celsius for continuous service. 321 stainless steel tube is titanium-stabilized, allowing continuous service up to 900 Celsius with better creep strength and resistance to intergranular corrosion after welding. For hydrocarbon processing above 500 Celsius, 321 or 347H is recommended over 304L .