EN10305-2 DOM Hydraulic Cylinder Tube for Oil and Pnuematic Cylinders E155 E195 E235 E275 E355

EN10305-2 Welded Precision Cold Drawn Steel Tubes

Honing, Skiving, Roller Burnish

Applications:

for Auto industry

for machinery use

Oil Cylinder Tube

Motorcyle shock absorber
Auto shock absorber innder cylinder

Telescopic Cylinders

Size range:
ID.: 20-650mm W.T.:1-50mm L:max12000mm

Steel Grade:

E155, E195, E235, E275, E355. S45C

Steel Grade and Chemical Compositions

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:

Test Methods:

Tensile test

Flattening test

Drift expanding test

Dimensional inspection

Roughness measurement

Visual examincation

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 ( execpt 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 ( expcept 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 preparetion 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 structrual 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)

Q: Are you trading company or manufacturer ?

A: manufacturer,also can do trading.

Q: How long is your delivery time?

A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock,

it is according to quantity.

Q: Do you provide samples? is it free or extra ?

A: Yes, we could offer the sample for free charge but need pay the cost of freight.

Q: What is your terms of payment ?

A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.

If you have another question, pls feel free to contact with me.