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Torich International Co.,Ltd.
Torich International Co.,Ltd.  

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You are here: home  > Seamless and Welded Precision Steel Pipe  > EN10305-2 Welded Cold Drawn Precision Steel Tubes  > Oil Cylinder Welded precision steel pipe for lifting equipment

Oil Cylinder Welded precision steel pipe for lifting equipment 

Price: 1000.0 USD 
Payment Terms: T/T,L/C 
Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Model No.: EN10305-2
Production Capacity: 3000tons
Delivery Date: 30-70days
Application: Auto parts, Shock absorber,...
Means of Transport: Ocean,Land,Air
Packing: IN bundles /wooden boxes
Production Method: Cold drawn based on welded ...

Standard: EN10305-2
Applications: for Auto industry/for machinery use/Oil Cylinder Tube/Motorcyle shock absorber
Size: 20-220mm

1. Standard:   
Steel tubes for precision applications

2. Steel Grade:
, other materials upon agreement with customers.

3. Production method:
Cold drawn on the weled steel tubes, to reach high accuracy on the OD and WT tolerance

4.Size range:

O.D.:20-220mm     W.T.:1-15mm      L:max12000mm

5. Packing:
In Hexagonal Bundles, wth anti-rust oil protection, with seaworthy packing  

6.Deliver condition:

1). +C   No heat treatment after the final cold drawing process

2). +LC  After the final heat treatment there is a suitab drawing pass

3). +SR   After the final cold drawing process there is a stress relieve heat treatment in a controlled atmosphere

4). +A    After the final cold drawing process the tubes are annealed in a controlled atmosphere
5). +N    After the final cold cold drawing operation the tubes are normalized in a controlled atmosphere

Please specifiy the final heat treatment when sending the enquiry.

7.Main Features:
Smooth surface,high accuracy, excellent brightness, high cleanness inside wall.

8.Main Application:
used in automobile and in the occasion where the high precision , brightness, cleanness of the tube are required.

                                       Steel Grade and Chemical Compositions:
Steel GradeCSiMnPS
Steel nameSteel numbermaxmaxmaxmaxmax
                                       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 %
E1551.00334006350103502451826028270 to 41015528
E1951.00344206370103702601829028300 to 44019528
E2351.03084906440104403251431525340 to 48023525
E2751.0225560551085103751239021410 to 55027521
E3551.0580640459065904351045022490 to 63035522

aRm: tensile strength;  ReH: upper yield strength; A: elongation after fracture
b 1Mpa=1N/mm²
c Depending on the degree of cold work in the finishing pass the yield strength may nearly be as high as the tensile strength.
For calculation purposes the following relations are recommended:
for delivery condition +C: ReH ≥0.8 Rm
for delivery condition +LC: ReH ≥0.7 Rm
d For calclulation purposes the following relation is recommended:ReH≥0.5Rm
e For tubes with outside diameter ≤30mm and wall thickness ≤3mm the ReH minimim values are 10Mpa lower than the values given in this Table

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

Mr. Richard
skype Mr. Richard
Managing Director
Tel: 86-574-88255925
Fax: 86-574-88086983
Mobile: 137 3616 4628
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Company Info

Torich International Co.,Ltd. [China (Mainland)]

Business Type:Manufacturer, Trading Company
City: Ningbo
Province/State: Zhejiang
Country/Region: China (Mainland)

Sales:   skype

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