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Welded Cold Drawn EN10305-2 50mm Automotive Steel Tubes Cold Drawn Steel Pipe

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Welded Cold Drawn EN10305-2 50mm Automotive Steel Tubes Cold Drawn Steel Pipe

Country/Region china
City & Province ningbo zhejiang
Categories Magnetic Materials

Product Details

EN10305-2  E235 , E275 , E355 +SRA, +N  Automotive Steel Tubes

 

EN10305-2 Welded Precision Cold Drawn Steel Tubes

 

Application: 

  • for Auto industry
  • for machinery use
  • Oil Cylinder Tube
  • Motorcyle shock absorber                                                    
    Auto shock absorber innder cylinder
  • Telescopic Cylinders

Applications: for Auto Industry/for Machinery Use/Oil Cylinder Tube/Motorcyle Shock Absorber
Auto shock absorber innder cylinder/Telescopic Cylinders

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

 

Supplying Steel Grade:

E155, E195, E235 E275, E355

 

Delivery Condition:

+C, +Lc, + SR, +A, +N

 

Production Method:

DOM, ERW+ Cold Drawn

ID Honing + Roller Burnish+ Skiving

 

Appearance:

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.

  
                                      

                                                  Mechanical properties at room temperature
Steel gradeMinimum values for the delivery conditiona b
Steel name        (+Cc)     (+LCc)             (+SR)(+Ad)             (+N)
Rm MpaA %Rm MpaA %Rm MpaReH MpaA %Rm MpaA %Rm MpaReHe MpaA %
E1551.0033 4006350103502451826028270-41015528
E1951.0034 4206370103702601829028300-44019528
E2351.0308 4906440104403251431525340-48023525
E2751.0225 560551085103751239021410-55027521
E3551.0580 640459065904351045022490-63035522

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

 

 

 

 

 

Quality Inspection standard and Normative references:

EN10002-1, Metallic materials- Tensile testing- Part 1: Method of test at ambient temperaure

EN10020, Definition and classification of grades of steel

EN10021, Gengeral technical delivery requirements for steel and iron products.

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

EN10027-2, Designation systems for stee l- Part 2: Numerial 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 suberged 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: Automartic 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: Automartic 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

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