E355 Honing Hydraulic Cylinder Steel Pipe Cold Drawn OD 30-450 mm Precision Applications

E355 Hydraulic Cylinder Steel Tube Cold Drawn Honing Steel Pipe

OVERVIEW

EN 10305 Grade E355 European standard covers technical delivery conditions for hot formed or annealed hollow sections from construction steel. EN 10305 Grade E355 Tubes are low-cost Low Carbon Steel Tubes with max 021 % carbon content with combination of max 140 % manganese easy to form and shape. Carbon Steel EN 10305 Grade E355 Tubes has a number of other excellent features to provide like having reliable, superior finish, affordable and more.

Relavent Standard & Grades Equivalency

-EN 10305-1: 2010 Steel tubes for precision applications. Seamless cold drawn tubes. Technical delivery conditions
-EN 10305-4: 2003 Steel tubes for precision applications. Seamless cold drawn tubes for hydraulic and pneumatic power systems. Technical delivery conditions
-EN 10297-1: 2003 Seamless circular steel tubes for mechanical and general engineering purposes. Non-alloy and alloy steel tubes. Technical delivery conditions

APPLICATIONS

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

STANDARD SPECIFICATIONS

TOLERANCE FOR SEAMLESS TUBING

Chemical Requirements, Composition, %

Equivalent grades of steel E355 (1.0580) Only for reference!

Note: Special steel grade is also available, according to customer request.
Please specify the steel grade and heat treatment method when sending the inquiry!

Mechanical properties By EN 10305-1

+C
Tensile Strength: > 640 MPa
Elongation: > 4 %
Ratio Yield strength/Tensile stength: > 0.8
+LC
Tensile Strength: > 580 MPa
Elongation: > 7 %
Ratio Yield strength/Tensile stength: > 0.7
+SR
Yield Strength: > 450 MPa
Tensile Strength: > 580 MPa
Elongation: > 10 %
Outside diameter: > 160 mm ;
Yield Strength: > 420 MPa
Tensile Strength: > 580 MPa
Elongation: > 10 %
+A
Tensile Strength: > 450 MPa
Elongation: > 22 %
Ratio Yield strength/Tensile stength: > 0.5
+N
Yield Strength: > 355 MPa
Tensile Strength: 490 - 630 MPa
Elongation: > 22 %
Outside diameter: < 30 mm ; Wall thickness: < 3 mm ;
Yield Strength: > 345 MPa
Tensile Strength: 490 - 630 MPa
Elongation: > 22 %

Test Methods

Tensile test
Flattening test
Drift expanding test
Dimensional inspection
Roughness measurement
Visual examincation

Not-Destructive Test

a. Test for longitudinal imperfections-
- Eddy current test - EN10246-3, level E3
- ultrasonic testing - EN10246-7, level U3
b. Leak-tightness
- Non-destructive testing for verification of leak-tightness shall be carried out in accordance with EN10246-1

Our Services

Payment & Delivery

1. Both T/T and L/C will be acceptable

2. Trade Terms: FOB, CIF, CFR

3. The delivery will be in 10-15 days if have stock; For customized items, the delivery will be negotiated by both parties

4. Shipping by sea freight from Shanghai Port (PRC) for Bulk orders, by airfreight or express for samples

 We, Shanghai Unite Steel are committed to integrate engineering steel resources in china and serve the global engineering steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national famous steel enterprise.

In the aspect of resources and information, we have established cooperative and stronger relationship with nearly hundred enterprises, either state-owned or private owned in china, such as: DAYE Special Steel-a famous steel enterprise with the longest steelmaking history; BAO Steel, and Dongbei Special Steel Group-the biggest special steel manufacturer; TPCO, VALIN-largest seamless steel tube production enterprise; What's more, we have built long, deep and close business relationship with dozens of steel companies, Sharing and holding equities with several steel enterprises. Because of the close cooperation with steel companies and our pioneering spirit, which can ensure us stay at the top competition, and ensure our customers get what they really want!