Project Description

ISO 8535-1 Fuel Injection Pipes E235, E335, E215

Seamless cold-drawn single-wall tubes for high pressure fuel injection.

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ISO 8535-1 Specifies dimensions and requirements for seamless cold drawn single-wall steel tubes for high-pressure fuel injection pipes used on diesel engines and for fuel injection pump testing.

Automotive tubes with standard ISO8535-1, material E235, E255, E355 etc. delivery condition NBK.

1.Precision steel seamless tubes for automotive industry are made using the cold drawing process.

  1. The tubes are high precision in tolerance, excellent surface brightness, no oxidization on the outer and inner walls after heat treatment, high cleanness of inside wall.
  2. No deformation after cold bending, no crack after flaring and flattening.

Chemical Composition

Steel GradeChemical Components (%)
Steel NameSteel NumberC
max.
Si
max.
Mn
max.
P
max.
S
max.
AL
min.
E2151.02120.100.050.70.0250.0250.025
E2351.03080.170.351.20.0250.025/
E3551.0580.220.551.60.0250.025/

Click to download the details of ISO 8535-1 Fuel Injection Pipes.

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Delivery Conditions

The tubes shall be supplied in one of the delivery conditions as follows:

DesignationSymbolDescription
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 normalized in a controlled atmosphere

 

Delivery Condition Symbol in accordance with EN10305 and DIN2391

Symbol in accordance with EN 10305 Symbol in accordance with DIN2391
+CBK
+LCBKW
+SRBKS
+AGBK
+NNBK

 

Mechanical Properties

Mechanical properties at room temperature
Steel GradeMinimum values for the delivery condition
Steel NameSteel Number+C+LC+SR+A+N
Rm
Mpa
A %Rm
Mpa
A %Rm
Mpa
ReH
Mpa
A %Rm
Mpa
A %Rm
Mpa
ReH
Mpa
A %
E2151.02124308380123802801628030290 to 4302530
E2351.03084806420104203501631525340 to 48023525
E3551.0580640458075804501045022490 to 63035522

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Standard: ISO 8535-1

Description Name: high-pressure fuel injection pipes, Injection pipes, ISO 8535-1 fuel injection pipes,

Precision tubes, E215 Seamless tubes, E235 seamless tubes, E355 seamless tubes.

OD.: 4mm-10mm

W.T.: 0.5mm-4mm

Shape: Round

Production Type: Cold drawn or cold rolled

Length: Single random length/ Double random length or as customer’s actual request max length is 10m

Grade: E215, E235, E355

Synopsis of Process Routing:

Quality Carbon steel — Cold Drawn — Heat Treatment Without Oxidization (NBK Status) — Nondestructive Testing— Flushing the Internal Hole with Special Equipment Under the High Pressure —Dealing with Antirust Oil on Surface — Plastic Capping on Both Ends.

Note:

  • Mill test certificates will be issued according to EN10204.3.
  • The tubes Shall be Seamless cold drawn or cold rolled.

Protection and Packing:

  • Packed in wooden box or bundles protected with plastic paper, and suitably protected for sea-worthily delivery or as requested.
  • The tubes shall be delivered with a temporary corrosion protection. The type of protection shall be at the discretion of the manufacturer.

Application:

High pressure fuel injection tubes.

Photos for ISO 8535-1 Fuel Injection Tubes

ISO 8535-1 Fuel Injection Pipes 4x0.6mm and 6x1mm Precision Tubes

ISO 8535-1 Fuel Injection Pipes 4×0.6mm and 6x1mm Precision Tubes

ISO 8535-1 Fuel Injection Pipes E235 Precision Tubes

ISO 8535-1 Fuel Injection Pipes E235 Precision Tubes

ISO8535-1 Seamless Precision Tubes Fuel Injection Pipes

ISO8535-1 Seamless Precision Tubes Fuel Injection Pipes

ISO8535-1 Fuel Injection Pipes Wooden Case Package

ISO8535-1 Fuel Injection Pipes Wooden Case Package

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