EN10305-2 E355 Cold Drawn Precision Steel Tube for Hydraulic Cylinder Systems

MOQ： 1 Ton (Sample Order Accepted)
Price： Negotiable — Contact Us for Competitive Quote
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Wall Thickness	1.5mm-60mm Customizable
Surface Treatment	Black / Oiled / Galvanized as Required
After-Sales	24/7 Technical Support, Third-Party Inspection Accepted
Standard	ASTM, BS, GB per Requirement
Length	1m-12m Customized
Supply Ability	10,000 Metric Tons per Year
Delivery Time	7-10 Working Days After Deposit
Product Type	Carbon Steel Pipe/Tube
Outer Diameter	1/2 inch - 24 inch (21.3mm - 609.6mm)
Material	Carbon Steel
Inner Roughness	Ra ≤ 0.8 µm
Delivery Condition	+C, +LC, +SR, +A, +N
Technique	Cold Rolled/Cold Drawn
Shape	Round/Square/Rectangular
Material Grade	E355 / St52 / S355 (High Strength Low Alloy)
Application	Oil & Gas Pipeline, Construction, Industrial, Mechanical, Power Generation
Payment Terms	T/T (30% Advance + 70% Before Shipment), L/C at Sight
Sample Service	Free Samples Available for Quality Evaluation
Packaging	Plastic End Plugs + Hexagonal Bundles (max 2,000 kg) + Steel Strips + Waterproof Paper + PVC Sleeves + Sackcloth
Model Number	JW-CD-PIPE
Place of Origin	China
Brand Name	Jingwei Steel
Certification	ISO9001, BV, SGS, ABS

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Product Details
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Product Specification


Wall Thickness	1.5mm-60mm Customizable	Surface Treatment	Black / Oiled / Galvanized as Required
After-Sales	24/7 Technical Support, Third-Party Inspection Accepted	Standard	ASTM, BS, GB per Requirement
Length	1m-12m Customized	Supply Ability	10,000 Metric Tons per Year
Delivery Time	7-10 Working Days After Deposit	Product Type	Carbon Steel Pipe/Tube
Outer Diameter	1/2 inch - 24 inch (21.3mm - 609.6mm)	Material	Carbon Steel
Inner Roughness	Ra ≤ 0.8 µm	Delivery Condition	+C, +LC, +SR, +A, +N
Technique	Cold Rolled/Cold Drawn	Shape	Round/Square/Rectangular
Material Grade	E355 / St52 / S355 (High Strength Low Alloy)	Application	Oil & Gas Pipeline, Construction, Industrial, Mechanical, Power Generation
Payment Terms	T/T (30% Advance + 70% Before Shipment), L/C at Sight	Sample Service	Free Samples Available for Quality Evaluation
Packaging	Plastic End Plugs + Hexagonal Bundles (max 2,000 kg) + Steel Strips + Waterproof Paper + PVC Sleeves + Sackcloth	Model Number	JW-CD-PIPE
Place of Origin	China	Brand Name	Jingwei Steel
Certification	ISO9001, BV, SGS, ABS
High Light	E355 cold drawn precision steel tube ，hydraulic cylinder steel tube ，EN10305-2 precision steel tube

Product Overview

Our EN10305-2 E355 Cold Drawn Precision Steel Tube is a high-performance DOM (Drawn Over Mandrel) tubing specifically manufactured for hydraulic cylinder applications. Through advanced cold drawing technology combined with ERW pre-tube welding, these precision tubes achieve exceptional dimensional accuracy, surface finish, and mechanical properties that rival seamless alternatives. With 90% of the US hydraulic cylinder market utilizing welded cold-drawn tubes, this product represents the industry standard for cost-effective, high-precision hydraulic components.

Key Features & Advantages

Superior Dimensional Accuracy: Cold drawing over mandrel achieves tight OD/ID tolerances of ±0.1mm with excellent concentricity (TIR less than 0.2mm), reducing downstream machining requirements.
Enhanced Mechanical Properties: E355 grade steel with yield strength of 355-450 MPa and tensile strength of 490-630 MPa, providing excellent load-bearing capacity for hydraulic systems.
Premium Surface Finish: Inner surface roughness Ra less than 0.8 micrometers in the +N delivery condition, ensuring optimal seal performance and reduced friction in hydraulic cylinders.
Multiple Delivery Conditions: Available in +C (cold drawn/hard), +LC (cold drawn/soft), +SR (stress relieved), +A (annealed), and +N (normalized) to match specific fabrication requirements.
Complete Weld Integrity: 100% eddy current and ultrasonic testing ensures flawless weld seam quality, with the weld line becoming virtually invisible after cold drawing.

Application Scenarios

Hydraulic cylinder barrels for construction machinery (excavators, loaders, bulldozers)
Agricultural equipment hydraulic systems (tractors, harvesters, sprayers)
Automotive shock absorbers, steering columns, and stabilizer bar tubes
Industrial pneumatic cylinders and telescopic cylinder systems
Precision mechanical tubing for machine tools and automation equipment

Company Capabilities

Advanced Production Line: SG/76 Enhanced High-Frequency Welding Tube Line with German edge milling and Norwegian EFD welding technology
Quality Assurance: 100% eddy current and ultrasonic testing, full mechanical property verification
Custom Processing: Honed ID, chrome-plated surfaces, custom cutting, chamfering, and end finishing available
Supply Capacity: 20,000 tons annual output, MOQ 1 ton, delivery 7-10 working days
Export Packaging: Anti-rust oil protection, seaworthy wooden cases or hexagonal bundles with waterproof wrapping
Technical Support: Free samples and comprehensive material data sheets provided

Company Details

Bronze Gleitlager

Bronze Sleeve Bushings

and

Graphite Plugged Bushings

from Quality China Factory

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Business Type:

Manufacturer,Exporter 


Year Established:

2021 


Total Annual:

2000000-5000000


Employee Number:

80~100 


Ecer Certification：

Verified Supplier 

Shandong Jingwei Steel Manufacturing Co., Ltd. is a large-scale enterprise integrating carbon steel, stainless steel, galvanized materials, aluminum and other metal products. It has formed 4 sales bases in Liaocheng, Wuxi, Tianjin and Jinan, and cooperates with 4 steel pipe manufacturers with more t... Shandong Jingwei Steel Manufacturing Co., Ltd. is a large-scale enterprise integrating carbon steel, stainless steel, galvanized materials, aluminum and other metal products. It has formed 4 sales bases in Liaocheng, Wuxi, Tianjin and Jinan, and cooperates with 4 steel pipe manufacturers with more t...

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Shandong Jingwei Steel Manufacturing Co., Ltd.
Dongchangfu District Industrial Park, Liaocheng City, Shandong Province, China
https://www.coilssheets.com/

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