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We accept LC, T/T, and Western Union as terms of payment.

What standards do your products comply with?

Our products comply with ASTM A519, EN10305-1, DIN2391-1, and other international standards.

ASTM A519 Seamless Honing Tube for Hydraulic Cylinders

Name: ASTM A519 Seamless Honing Tube for Hydraulic Cylinders
Brand: Shandong Tongmao Special Steel Co., Ltd.
SKU: 2152781512

Shandong, ChinaShandong Tongmao Special Steel Co., Ltd.

US$700.00

5 Tons

Sample price:US$1.20/kg.Request sample

Product profile

Customization

Available

After-sales Service

Responsible for After-Sales Service

Warranty

6 Months

Model NO.

C20 CK45 Q355B Q355D E355/ST52 4140 st52 E355

Type

Seamless

Technique

Cold Drawn

Material

Carbon Steel

Surface Treatment

Galvanized

Usage

Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Chemical Industry, Construction & Decoration, Drill Pipe

Section Shape

Round

Transport Package

Bundling

Specification

Length 1-12m Thickness 1 - 60 mm(0.04-2.36in)

Trademark

non

Origin

Liaocheng

HS Code

73043119

Production Capacity

3000ton/Year

Key features

High Precision ID: Extremely precise inside diameter dimensions with smooth surface finish for reduced friction.

Wide Size Range: Available in metric sizes 32mm-600mm ID and imperial sizes to meet diverse hydraulic needs.

Multiple Material Options: Carbon steel grades like SAE1020, ST52, and stainless steel available for various applications.

Customization Support: ODM and OEM services available with customization from designs for specific requirements.

Versatile Applications: Ideal for hydraulic/pneumatic cylinders, oil/gas drilling, construction, and chemical industries.

Quality Certifications: Products comply with ASTM A519, EN10305-1, and DIN2391-1 standards with CE and RoHS.

Fast Lead Time: Average lead time within 15 workdays for both peak and off-season periods.

6-Month Warranty: Comprehensive 6-month warranty coverage for responsible after-sales service support.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceManagement Certification

Shandong Tongmao Special Steel Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Designs CertifiedExport Year: 10 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤5.27h

AI-Powered supplier vetting

SummaryThe supplier is a limited-company trading company with eight employees and a product scope covering copper, aluminum, steel, brass, and stainless-steel products. It has self-operated import/export rights, eight years of export experience, and exports account for 71%–90% of total sales. Production information states annual capacity of 500,000 tons for steel pipe and 10,000 tons for copper pipe, with peak- and off-season lead times both within 15 working days. However, the supplier reports no overseas showrooms, agents, branches, or offline trade-show participation, and has no written complaint-handling, corrective-action, or supplier-service assessment procedures. Quality controls include quality assurance, but finished products are randomly inspected and checked by packing staff, with one quality inspector and no raw-material traceability. Innovation and formal R&D capabilities are limited: no new products were launched in the previous year, and no 3D design, ODM, SDK, or popular-brand OEM services are...

After-Sales capabilityThe supplier has no overseas showroom, overseas agent or branch, or offline trade-show participation. It also has no written corrective-and-preventive-action procedures, complaint-handling procedures, or effective supplier-service assessment records, although it accepts multiple quotation and payment terms and reports lead times within 15 working days.

R&D capabilityThe supplier reports no new products in the previous year and does not provide 3D software design, ODM, SDK, or popular-brand OEM services. Its stated R&D-related service is customization from samples, indicating limited innovation capability rather than a documented product-development program.

Production capacityThe supplier provides stated annual productivity of 500,000 tons for steel pipe and 10,000 tons for copper pipe, with peak- and off-season lead times both within 15 working days. It has export experience of eight years, self-operated import/export rights, and export sales of 71%–90%; however, quality inspection is limited to random inspection, packing-staff checks, one inspector, and no raw-material traceability.

Customization capabilityCustomization from samples is explicitly available in both the R&D/design-related and product-capability information. No broader 3D, ODM, SDK, or formal product-development capability is stated, so the confirmed capability is sample-based customization.