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Cold Drawn Seamless Steel Tube (CDS) En10305-1 Grade E235 E355 E460
  • Cold Drawn Seamless Steel Tube (CDS) En10305-1 Grade E235 E355 E460

Cold Drawn Seamless Steel Tube (CDS) En10305-1 Grade E235 E355 E460

Cold Drawn Seamless (CDS) steel tubes manufactured according to EN 10305-1, available in grades E235 and E355. These precision tubes offer tight dimensional tolerances, smooth internal/external surfaces, and excellent mechanical properties, making them ideal for high-performance engineering and industrial applications.

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Key Features:

·Manufactured to EN 10305-1 in grades E235 / E355
·Superior dimensional accuracy and roundness
·Smooth surface finish suitable for honing, SRB, or plating
·High strength with good machinability and weldability
·Custom lengths and machining available

Applications:
Hydraulic and pneumatic systems, automotive components, shock absorbers, drive shafts, mechanical engineering, and structural assemblies.

 

Technical Specifications

Specification

Details

Standard

EN 10305-1

Grades Available

E235, E355

Equivalent Standards

DIN 2391, ASTM A519, ISO 8535-1

Outside Diameter (OD)

10 mm – 350 mm (custom on request)

Wall Thickness (WT)

1 mm – 30 mm

Lengths Available

Up to 12 m or cut-to-size

Surface Condition

As-drawn / Honed / SRB (Skived & Roller Burnished)

Tolerance

ISO h8 / h9 or per customer request

Supply Condition

Normalized (NBK), Annealed (BK), Stress Relieved (BKS)

 

Industries Served

·Automotive & Commercial Vehicles
·Hydraulic & Pneumatic Systems
·Heavy Machinery & Construction Equipment
·Energy & Power Generation
·General Mechanical Engineering

 

Call to Action

·Looking for Cold Drawn Seamless Steel Tubes in EN 10305-1 E235 / E355?
Contact us today for a quotation. Custom sizes, machining, and surface treatments are available upon request.
·Cold Drawn Seamless (CDS) steel tubes manufactured according to EN 10305-1 and ASTM A519 standards. Available in a wide range of carbon and alloy steel grades, including E235, E355, ST52.3, AISI 1045, 4130, and 4140.
·These tubes feature high dimensional accuracy, superior mechanical strength, and excellent surface quality, making them suitable for hydraulic cylinders, automotive components, drive shafts, and industrial machinery.

 Key Features:

·Precision manufacturing to EN 10305-1 / ASTM A519
·Carbon steel grades: E235, E355, ST52.3,AISI 1045
·Alloy steel grades: AISI 4130, AISI 4140, AISI 4340
·Smooth surface finish for honing, SRB, or plating
·Tight tolerances for precision engineering applications
·Available in custom lengths and heat-treated conditions

Applications:

Hydraulic and pneumatic cylinders, shock absorbers, automotive drive shafts, construction equipment, machine components, and heavy-duty engineering assemblies.

Technical Specifications

Specification

Details

Standards

EN 10305-1, ASTM A519, DIN 2391, ISO 8535-1

Carbon Steel Grades

E235, E355, ST37.2, ST52.3, AISI 1020, AISI 1045

Alloy Steel Grades

AISI 4130, AISI 4140, AISI 4340

Stainless Options

Available on request (AISI 304 / 316)

Outside Diameter (OD)

10 mm – 350 mm (custom sizes available)

Wall Thickness (WT)

1 mm – 30 mm

Lengths Available

Up to 12 m, cut-to-length supply available

Surface Condition

As-drawn, Honed, SRB (Skived & Roller Burnished), Chrome Plated

Tolerance

ISO h8 / h9 or per customer request

Supply Condition

BK (Cold Finished), NBK (Normalized), BKS (Stress Relieved), Q+T (Heat Treated)

 

Downloads

·[Product Datasheet PDF]
·[Material Test Certificate (EN 10204 3.1)]
·[CAD Drawing Request]

 

Gallery / Visuals

·Bundled tube packages (export packing)
·Surface finish close-up (inside & outside)
·Application example (hydraulic cylinder / automotive shaft)
·Technical cross-section diagram

 

Industries Served

·Automotive & Commercial Vehicles
·Hydraulic & Pneumatic Systems
·Oil & Gas & Energy Equipment
·Heavy Machinery & Construction
·Mechanical & Structural Engineering

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About Us
Jiangsu Suao Metal Product Co., Ltd.
Jiangsu Suao Metal Product Co., Ltd.
Suao is a professional manufacturer of high-precision cold drawn steel tubes, hydraulic tubes, and mechanical structure tubes, integrating R&D, production, inspection, and global sales. We operate two major production facilities covering over 36,000 square meters, with more than 200 employees and an annual output of 50,000+ tons, supplying customers across major industrial markets worldwide. Our integrated manufacturing capabilities include cold drawing, heat treatment, straightening, finishing, cutting, chamfering, and surface treatment. These are supported by a full range of advanced equipment for non-destructive testing, chemical analysis, and online dimensional monitoring—ensuring every tube meets stringent quality standards. We invest continuously in automation and smart manufacturing systems to enable flexible, high-mix, low-volume production. Our products are widely used in construction machinery, hydraulic systems, automotive parts, wind energy, shipbuilding, railways, and oil & gas sectors. Certified to ISO 9001, ISO 14001, CE, and RoHS standards, Hongli is more than a manufacturer—we are a trusted long-term partner for global industrial clients.
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