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DOM Welded Carbon Steel Pipe EN10305-2 for Hydraulic Steel Tubing E155, E195, E235 E275, E355

Minimum Order Quantity : 5 tons Price : 1500USD/ton
Packaging Details : In bundles Delivery Time : 5-8 weeks
Payment Terms : L/C, T/T Supply Ability : 5000tons per year
Place of Origin: China Brand Name: Torich
Certification: ISO 9001 Model Number: EN 10305-2

Detail Information

Application: Hydraulic Pipe Standard: ASTM
Thickness: 0.1mm-60mm Certification: ISO9001-2008
Technique: Cold Drawn Surface Treatment: Null
Alloy Or Not: Non-alloy Section Shape: Round
High Light:

SSID DOM Tube

,

E355 DOM Tube

,

E235 Drawn Over Mandrel Tube

Product Description

EN 10305-2 E235 E355 SSID Precision DOM Automotive Tubes

DOM Welded Carbon Steel Pipe EN10305-2 for Hydraulic Steel Tubing E155, E195, E235 E275, E355

Size range: O.D.:6-420mm W.T.:1-50mm L:max12000mm

Applications: for Auto Industry/ Machinery Use/ Oil Cylinder Tube/ Motorcycle Shock Absorber/
Auto Shock Absorber/ Inner Cylinder/ Telescopic Cylinders/ Jack Lifting System/ Hydraulic Cylinders

Appearance of  DOM Automotive Tubes:

The internal and external surface finish of the tubes is smooth, while the Weld Seam is somehow not visible or tangible.
The ID surface with roughness Ra≤4μm, the best ID smoothness we could reach Ra≤0.8μm
The inner surface can be measured and reported if this is requested by the purchaser before PO.

Supplying Steel Grade of  DOM Automotive Tubes:

E155, E195, E235 E275, E355

 

What is dom seamless tubing, dom metal tubing?

Round steel tubing begins with coils of steel,which are slit to the proper width for the desired tube size.

The strip is cold formed and passed through an electric resistance welder which joins the edges together,

under pressure, to complete the tubular shape. After testing the weld’s integrity, the tubing is cut to length for

further processing. The cold-drawing process creates a uniform, precision product with substantially improved

tolerances, surface finish and tensile strength, increased hardness and good machinability.

 

Why choose DOM welded seamless precision steel tubes?

1. It will save your machining costs of producing mechanical parts.

2.High yield strength and tensile strength

3.Uniform wall thickness

4.Good concentricity.

5.Good smooth and clean OD and ID surface

6.High precision tolerance on OD and ID 

 


Delivery Condition:
+C, +Lc, + SR, +A, +N

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

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

 

Mechanical properties
Steel Grade Minimum values for the delivery condition
Steel Name (+Cc) (+LCc) (+SR) (+Ad) (+N)
Rm Mpa A % Rm Mpa A % Rm Mpa ReH Mpa A % Rm Mpa A % Rm Mpa ReHe Mpa A %
E155 1.0033 400 6 350 10 350 245 18 260 28 270-410 155 28
E195 1.0034 420 6 370 10 370 260 18 290 28 300-440 195 28
E235 1.0308 490 6 440 10 440 325 14 315 25 340-480 235 25
E275 1.0225 560 5 510 8 510 375 12 390 21 410-550 275 21
E355 1.0580 640 4 590 6 590 435 10 450 22 490-630 355 22
 

 

 

Relate Information:

Quality Inspection standard and 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 stee l- Part 2: Numerical system
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 the detection of imperfections

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

EN10246-7, Non-Destructive testing of steel tubes - Part 7: Automatic full peripheral ultrasonic testing of seamless and welded (except submerged arc-welded) steel tubes for the detection of longitudinal imperfections.

EN10256, 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 ( ISO2566-1:1984)

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

EN10266, Steel Tubes, fittings and structural hollow sections - Definition and Symbols for use in products standards

 


DOM Welded Carbon Steel Pipe EN10305-2 for Hydraulic Steel Tubing E155, E195, E235 E275, E355 0 DOM Welded Carbon Steel Pipe EN10305-2 for Hydraulic Steel Tubing E155, E195, E235 E275, E355 1

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