What are the mechanical properties of Q345B material?

Q345B has a tensile strength of at least 640 N/mm2, yield strength of 600 N/mm2, and elongation of at least 15%.

Can these tubes be used for hydraulic cylinders?

Yes, they are specifically designed for hydraulic cylinders, pneumatic cylinders, and jacks requiring high tolerance.

What is the lead time for production?

The average lead time is one month for both peak and off-peak seasons.

370X305 E355 St52 Heavy Hydraulic Cylinder Cold Drawn Steel Pipe +Sr Bks

Name: 370X305 E355 St52 Heavy Hydraulic Cylinder Cold Drawn Steel Pipe +Sr Bks
Brand: Wuxi Baiheng Metal Co., Ltd
SKU: 1960209135

Jiangsu, ChinaWuxi Baiheng Metal Co., Ltd

US$1,100.00

1 Ton

Product profile

Process

Cold Drawn

Temperature Classification

Medium Temperature Piping

MPa Classfication

Medium Pressure Piping

Model NO.

370x305

Material

Carbon Steel

Standard

ASTM, GB, API, DIN, JIS

Cross-Section Shape

Round

Connection Type

Seamless

Diameter

ID20 to 500mm

Transport Package

in Bundel, with Plastics on Both Ends, Oil Coated

Specification

ID20-500

Trademark

BAIHENG

Origin

China

HS Code

73049000

Production Capacity

1000 Ton Per Month

Key features

Precision Cold Drawn Process: Cold drawn tubes offer exact tolerance on OD and ID, suitable for ready to hone or skive applications.

Wide Material Selection: Available in Carbon Steel grades including E355, ST52, ASTM A519, and various GB standards.

Versatile Heat Treatment: Options include BK, BKS, GBK, NBK, Q+T, +C, +SR, +A, and +N for specific mechanical properties.

High Mechanical Strength: Tensile strength up to 840 N/mm2 with elongation up to 15% depending on material grade.

Extensive Size Range: Cylinder ID ranges from 40mm to 420mm with various outer diameters and lengths up to 16 meters.

Diverse Application Scope: Ideal for hydraulic cylinders, pneumatic cylinders, jacks, and precision pipe requirements.

Company profile

Wuxi Baiheng Metal Co., Ltd

Jiangsu, China

Business Type: Manufacturer/FactoryExport Year: 2001-08-01Nearest Port: shanghaiAverage Response Time: ≤24hTerms of Payment: LC, T/T, D/PInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAP, CIP

AI-Powered supplier vetting

SummaryWuxi Baiheng Metal Co., Ltd is identified as a Chinese manufacturer/factory in Jiangsu with six production lines, 6–10 quality-control staff, and stated annual output above the reported threshold. Its product range centers on hydraulic-cylinder components, including honed and cold-drawn tubes and chrome-plated bars. The supplier reports ISO 9001 certification, 6–10 years of R&D engineering experience, export activity since 2001, self-managed import/export rights, and markets spanning multiple regions. Evidence supports established manufacturing and export capability, but the provided information does not sufficiently verify after-sales service, financial credibility, or customization capability. Shipment records associate the supplier with WIPRO ENTERPRISES PRIVATE LIMITED for cold-drawn cover tubes registered in 2025.

Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory and lists six production lines and a product portfolio focused on hydraulic-cylinder tubes, rods, bars, and related components. This supports direct manufacturing status rather than a purely trading profile.

CertificationsThe supplier reports ISO 9001 certification for its management system. No certificate number, issuing body, scope, or validity period is provided, but the stated certification is explicit evidence of holding a recognized quality-management certification.

Production capacityProduction capability is supported by six production lines, 6–10 quality-control staff, stated annual tube and bar output, and a broad hydraulic-cylinder component range. The supplier also reports export coverage across multiple global regions and one-month lead times in both off-peak and peak seasons.

Client casesThe supplier states that its products have a favorable reputation in domestic and international markets, while two 2025 shipment records associate it with WIPRO ENTERPRISES PRIVATE LIMITED for cold-drawn cover tubes. These records provide a named buyer and product evidence, but do not establish order scale, satisfaction, repeat purchasing, or independently verified customer references.