Dom E355 Seamless Steel Pipe for Bearing Housing with Cold Drawn Smooth Surface

Name: Dom E355 Seamless Steel Pipe for Bearing Housing with Cold Drawn Smooth Surface
Brand: CNB NEW MATERIAL (TIANJIN) CO., LTD.
SKU: 2309065625

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

US$600.00

1 Ton

Sample price:US$0.00/piece.Request sample

Product profile

After-sales Service

Negotiable

Warranty

Variable

Type

Welded

Model NO.

CNB-SP

Technique

Cold Rolled

Material

Carbon Steel

Surface Treatment

Polished

Usage

Hydraulic/Automobile Pipe

Section Shape

Round

Application

Hydraulic Cylinder, Pneumatic Tube, Bearing House

Inventory

in Stock

Od Range

4mm-168mm, Wall: 0.5mm-15mm

Material Grade

AISI 304, 316L, St52, E355, SPCC, S355mc

Transport Package

Export Seaworthy Package

Specification

Custom

Trademark

CNB

Origin

China

HS Code

73063090

Production Capacity

50000PCS/Month

Key features

Our honed ST52 and E355 seamless steel pipe delivers the tight ID tolerance (H8) and smooth surface finish required for long-life hydraulic cylinder barrels .

S355MC and SPCC welded steel tube provides the strength-to-weight ratio needed for motorcycle frames, roll cages, and automotive structural components.

304 and 316L stainless steel tube resists corrosion from compressed air condensate, hydraulic fluids, and washdown environments, ensuring reliable operation of pneumatic actuators.

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: ≤1.11h 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 is the difference between DOM and honed steel tube for hydraulic cylinders?

DOM (Drawn Over Mandrel) steel tube is cold drawn over a mandrel to achieve precise ID and OD dimensions with a smooth surface, suitable for standard hydraulic cylinders. Honed steel tube undergoes an additional honing process that removes more material to achieve even tighter ID tolerance (H8) and smoother surface finish , ideal for high-performance cylinders with longer seal life requirements.

Q:Can your steel pipe be used for a motorcycle frame with complex bends?

Yes, our SPCC and S355MC welded steel pipe is specifically produced for motorcycle and ATV frame applications. The uniform wall thickness and consistent mechanical properties ensure reliable bending and welding. Common sizes for motorcycle frames range from 19mm to 38mm OD with 1.2mm to 2.5mm wall thickness.

Q:What steel pipe grade is recommended for a pneumatic cylinder tube?

For pneumatic cylinders, we recommend 304 stainless steel tube or E355 carbon steel tube, depending on the environment. 304 stainless provides corrosion resistance for washdown and outdoor applications. E355 honed tube is a cost-effective choice for indoor industrial pneumatic cylinders where corrosion risk is low.