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Oil Cylinders DOM Steel Tubing Carbon Steel Drawn Over a Mandrel Pipe

Minimum Order Quantity : 5 tons Price : 600-1200 USD/ton
Packaging Details : oil antirust in hexagonal bundles or upon customer‘s request Delivery Time : 5-8weeks work days
Supply Ability : 60000tons annual
Place of Origin: China Brand Name: TORICH
Certification: ISO 9001-2008 ISO 14001 TS 16949 DNV TUV Model Number: EN10305-2

Detail Information

Material: Carbon Steel Steel Grade: E155 E195 E235 E275 E355
Size Range: O . D. : 6 - 350mm W . T . : 1 - 35mm L : Max12000mm Shap: Round
Production Method: Drawn Over A Mandrel (DOM) Heat Treatment Method: + Cc + LCc + SR + Ad + N
Standard: EN10305-2 Note: Special Steel Grade Is Also Available, According To Customer Request
High Light:

drawn over mandrel steel tube

,

drawn over mandrel steel tubing

Product Description

EN10305-2 DOM Steel Tubing for Oil Cylinders E155  E195  E235  E275 E355

 

 

EN10305-2 Welded Precision Cold Drawn Steel Tubes
Applications:

for Auto industry

for machinery use

Oil Cylinder Tube

Motorcyle shock absorber                                                    
Auto shock absorber innder cylinder

Telescopic Cylinders             

                                       
Size range: O.D.:6-350mm     W.T.:1-35mm      L:max12000mm          

                       

Steel Grade:

 E155, E195, E235, E275, E355.

 

Steel Grade and Chemical Compositions                                                   

Steel Grade C Si Mn P S
Steel Name Steel Number max max max max max
E155 1.0033  0.11 0.35 0.70  0.025 0.025
E195 1.0034  0.15 0.35 0.70  0.025 0.025
E235 1.0308  0.17 0.35 1.20  0.025 0.025
E275 1.0225  0.21 0.35 1.40  0.025 0.025
E355 1.0580  0.22 0.35 1.60  0.025 0.025
 

 

Heat treatment method:  

+Cc,  +LCc,  +SR,   +Ad,   +N


Note: Special steel grade is also available, according to customer request.

Please specify the steel grade and heat treatment mothod when sending the enquiry!

 

For Application of:

Oil Cylinder Steel Tubes  Steel Tubes for Oil Cylinders

 

 

Test Methods:

Tensile test

 

Flattening test

 

Drift expanding test

 

Dimensional inspection

 

Roughness measurement

 

Visual examination

 

Not-destructive testing

a. Test for longitudinal imperfections-  

-  Eddy current test - EN10246-3, level E3

-  ultrasonic testing - EN10246-7, level U3

 

b. Leak-tightness

-  Non-destructive testing for verification of leak-tightness shall be carried out in accordance with EN10246-1

 

 

EN10305 Consists of the following Parts under the general title " Steel tubes for precision applications - Technical delivery conditions "

 

Part 1:  Seamless Cold Drawn Tubes

 

Part 2:  Welded Cold Drawn Tubes

 

Part 3:  Welded Cold Sized Tubes

 

Part 4:  Seamless Cold Drawn Tubes for Hydraulic and Pneumatic Power Systems

 

Part 5:  Welded and Cold Sized Square and Rectangular Tubes

 

Part 6:  Welded Cold Drawn Tubes for Hydraulic and Pneumatic Power Systems

 

Normative references:

 

EN10002-1, Metallic materials - Tensile Testing - Part 1: Method of test at ambient temperature

 

EN10020,    Definition and classification of grades of steel

 

EN10021,    General technical delivery requirements for steel and iron products

 

EN10027-1, Designation systems for steel - Part 1 : Steel names, principal symbols

 

EN10027-2, Designation systems for steel - Part 2: Numerical systems

 

EN10052,     Vocabulary of heat treatment terms for ferrous products.

 

EN10204,     Metallic products - Types of inspection documents

 

EN10233,     Metallic materials - Tube - Flattening Test

 

EN10234,     Metallic materials - Tube - Drift expanding test

 

EN10246-1,  Non-destructive testing of steel tubes - Part 1:  Automatic electromagnetic testing of seamless and welded ( except submerged arc-welded) ferromagnetic steel tubes for verification of hydraulic leak-tightness

 

EN10246-3, Non-destructive testing of steel tubes - Part 3: Automatic eddy current testing of seamless and welded (except submerged arc-welded) steel tubes for detection of imperfections

 

EN10246-5, Non-destructive testing of steel tubes - Part 5: Automatic full peripheral magnetics transducer/flux leakage testing of seamless and welded ( except submerged arc-welded) ferromagnetic steel tubes for the detection of longitudinal imperfections

 

EN10246-7, Non-destructive testing of steel tubes - Qualification and competence of level 1 and 2 non-destructive testing personnel.

 

EN ISO377, Steel and Steel products - Location and preparation of samples and test pieces for mechanical testing  (ISO 377:1997)

 

EN ISO 2566-1, Steel - Conversion of elongation values - Part 1: Carbon and Low alloy steels (EN102566-1:1984)

 

EN 10168, Iron and steel products - Inspection documents - List information and description

 

ENV10220, Seamless and welded steel tubes - Dimensions and masses per unit length

 

EN10266,  Steel Tubes, fittings and structural hollow sections - Definitions and symbols for  use in product standards

 

EN ISO 4287,  Geometrical product specifications (GPS) - Surface Texture: Profile method - Terms, definition and surface texture parameters ( ISO 4287:1997)

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