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Zhangjiagang Bonded Area Henglong Steel Tube Co., Ltd.
Zhangjiagang Bonded Area Yaxin Precision Tube Co., Ltd. Zhangjiagang Bonded Area Henglong Steel Tube Co., Ltd. Steel Tubing for Automotive Powertrain, Shock Aborber, Steering And Steel Tubing for Heat
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EN10305-1 E235 E355 Seamless Cold Drawn Precision Steel Tubes For Hydraulic Line

Zhangjiagang Bonded Area Henglong Steel Tube Co., Ltd.
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Zhangjiagang Bonded Area Henglong Steel Tube Co., Ltd.
City: Taiwan
Province/State: Taiwan
Country/Region: China
Tel: 86-512-5832-8328
Contact Person:
Mr John Chen

EN10305-1 E235 E355 Seamless Cold Drawn Precision Steel Tubes For Hydraulic Line

Brand Name : YAXIN
Certification : ISO/TS16949
Place of Origin : China
MOQ : 1 metric ton
Payment Terms : L/C, T/T
Supply Ability : 5000 metric tons per month
Delivery Time : 15 days
Packaging Details : Wooden case
Standard : EN10305-4
Material : carbon steel
condition : +N, +A
Shape : round
Application : hydraulic line
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Seamless cold drawn precision steel tubes


Area of use

The applications for seamless and welded precision steel tubes are determined by special technical features. These are as follows:

• High dimensional accuracy for inside and outside diameters

• Smooth surfaces achieved by drawing

• Improved strength characteristics due to cold forming

• Closely graduated dimensional range

• Low concentricity in welded precision steel tubes


Production method

The pre-material for precision steel tubes is selected, fully killed LD or electrical steel cast continuously in slabs. It is first checked and then processed into hollow pre-material tubes.


The hollows are cold formed on state of the art drawing benches. Subsequent heat treatment and passage through high-tech straightening and testing benches complete the production process into cold drawn precision steel tubes.


Size range

OD: 4 - 30mm (+/-0.08mm)

OD: 32 - 40mm (+/-0.15mm)

OD: 42 - 50mm (+/-0.20mm)

WT: 0.5 - 1mm (+/-10%)


Delivery conditions, following finishes for EN10305-1

DesignationAbbreviationExplanation
Cold drawn/hard+CNo heat treatment after the final cold drawing process.
Cold drawn/soft+LCAfter the final heat treatment there is a suitable drawing pass.
Cold drawn and stress relieved+SRAfter the final cold drawing process there is a stress relief heat treatment in a controlled atmosphere.
Annealed+AAfter the final cold drawing process the tubes are annealed in a controlled atmosphere.
Normalized+NAfter the final cold drawing operation the tubes are normalised in a controlled atmosphere.

Steel grades

NameMaterial number
E2351.0308
E3551.0580

Other steel qualities on request

For example: C15, C35E, P460N, 16MnCr5, 20MnCr5, 20MnV6, 25CrMo4, 42CrMo4, 33MnB5, 16Mo5, ASTM A213 T11


Scope of testing

A 100% non-destructive eddy current test in acc. with ISO 10893-1 is carried out at additional cost. A checking of the mechanical properties also takes place.


The following tests may be carried out in addition to the standard EN tests:

• Ultrasonic test in acc. with ISO 10893-10, U2

• Factory acceptance test

• Customer/third party acceptance

• Dimensional check using laser

• Impact test

• Material identification test



Product Tags:

seamless carbon steel tube

      

welding round tubing

      
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EN10305-1 E235 E355 Seamless Cold Drawn Precision Steel Tubes For Hydraulic Line Images

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