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ST52 E355 Hollow Steel Tube Hydraulic Cylinder Honed Pipe
|Place of Origin||Jiangsu, China|
|Minimum Order Quantity||1 ton|
|Packaging Details||Original packaging according to the customers Export standard package in bundled or as required.|
|Delivery Time||within 50 days|
|Supply Ability||30000MT per year|
|Shape||Round||Type||Welded Or Seamless|
Hydraulic Cylinder Honed Tube,
26MnB5 Hollow Steel Tube,
20mm Hollow Steel Tube
ST52 E355 Hydraulic Cylinder Honed Tube
- It has general corrosion resistance similar to unstable ni-cr304.
- It has high temperature oxidation resistance, but the oxidation rate will be affected by internal factors such as exposure environment and product morphology.
- The total heat transfer coefficient of metal depends on the thermal conductivity of metal, but also on other factors. Stainless steel keeps the surface clean, so it can conduct electricity. Metals with higher thermal conductivity have better heat dissipation than other metals
after cold forming, eventually above phase transition point, in a protective atmosphere of annealing oxidation medium
after cold forming, annealing in non oxidizing medium protective gas
the final heat treatment after cold forming, therefore small steel pipe plastic, the plastic degree does not guarantee
after final heat treatment, a tiny cold drawing deformation, continue again when machining steel pipe allowed inside certain limits cold deformation(bending, flaring)
Cold rolling by Cold pilger machine and Cold rolling machine
EN10305-2 Cold Drawn Precision Seamless Steel Pipes
2. Steel Grade:
E155,E195,E235,E275,E355, other materials upon agreement with customers.
3. Production method:
Cold drawn on the welded steel tubes, to reach high accuracy on the OD and WT tolerance
In Hexagonal Bundles, with anti-rust oil protection, with seaworthy packing
5. Deliver condition:
1) +C No heat treatment after the final cold drawing process
2) +LC After the final heat treatment there is a suitable 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 drawing operation the tubes are normalized in a controlled atmosphere