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Torich Oil Cylinders Dom Steel Tubing , Carbon Steel Drawn Over A Mandrel Pipe

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Brand Name :	TORICH
Model Number :	EN10305-2
Certification :	ISO 9001 ISO 14001 TS 16949
Price :	USD 600-1200/Ton
Payment Terms :	L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability :	60000 Ton/Year
Delivery Time :	15-25 days

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Torich Oil Cylinders Dom Steel Tubing , Carbon Steel Drawn Over A Mandrel Pipe

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)

QUALITY CONTROL

1~ Incoming Raw Material Inspection
2~ Raw Material Segregation to avoid steel grade mix-up
3~ Heating and Hammering End for Cold Drawing
4~ Cold Drawing and Cold Rolling, on line inspection
5~ Heat Treatment, +A, +SRA, +LC, +N, Q+T
6~ Straightening-Cutting to specified length-Finished Measuring Inspection
7~ Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8~ Packing and Stocking.

100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects.

FAQ

Q: Are you trading company or manufacturer ?
A: A professional steel pipes materials inventor, manufacturer and solution provider
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, and 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 you need to pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance , balance before shippment.
If you have another question, pls feel free to contact us

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