EN 10305-1 Seamless Cold Drawn Precision Steel Tubes
EN 10305-1 Seamless Cold Drawn Precision Steel Tubes are recognized for their exceptional quality and precision. Manufactured to meet the EN 10305-1 standard, these tubes are widely used in industries requiring high dimensional accuracy and superior surface finish, such as automotive, mechanical engineering, and hydraulics. The seamless construction ensures excellent strength and reliability, making them ideal for applications where performance and durability are critical. Explore the benefits of EN 10305-1 tubes to achieve outstanding results in your projects.
Chemical Composition of EN 10305-1 Seamless Cold Drawn Precision Steel Tubes
| Steel Grade |
Steel Number |
C max (%) |
Si max (%) |
Mn max (%) |
P max (%) |
S max (%) |
Al (total) min (%) |
| E215 |
1.0212 |
0.10 |
0.05 |
0.70 |
0.025 |
0.025 |
0.025 |
| E235 |
1.0308 |
0.17 |
0.35 |
1.20 |
0.025 |
0.025 |
0.015 |
| E355 |
1.0580 |
0.22 |
0.55 |
1.60 |
0.025 |
0.025 |
– |
Mechanical Properties of EN 10305-1 Seamless Cold Drawn Precision Steel Tubes
| Steel Grade |
Delivery Condition |
Tensile Strength (MPa) |
Yield Strength (MPa) |
Elongation (%) |
| E215 |
BK |
320-520 |
≥215 |
≥6 |
| BKW |
290-450 |
≥195 |
≥12 |
| BKS |
290-450 |
≥195 |
≥12 |
| GBK |
290-430 |
≥185 |
≥30 |
| NBK |
290-430 |
≥185 |
≥30 |
| E235 |
BK |
350-580 |
≥235 |
≥6 |
| BKW |
315-490 |
≥215 |
≥12 |
| BKS |
315-490 |
≥215 |
≥12 |
| GBK |
315-450 |
≥195 |
≥25 |
| NBK |
315-450 |
≥195 |
≥25 |
| E355 |
BK |
550-750 |
≥355 |
≥5 |
| BKW |
510-710 |
≥335 |
≥8 |
| BKS |
510-710 |
≥335 |
≥8 |
| GBK |
490-630 |
≥315 |
≥20 |
| NBK |
490-630 |
≥315 |
≥20 |
Specifications
| Standard |
EN 10305-1 Seamless Cold Drawn Precision Steel Tubes |
| Steel Grade/Material |
E215, E235, E355 |
| Outside Diameter (OD) |
4 – 380mm |
| Wall Thickness (WT) |
0.5 – 25mm |
| Length |
500 – 10000mm |
| End |
Plain Ends |
| Packing |
Typically packed in protective wrapping, plastic end caps, and bundled with straps or placed in wooden or plastic crates, often palletized and labeled to ensure safe transportation and storage. |
| Section Shape |
Round |
| Technique |
Seamless Cold-Drawn |
| Place of Origin |
Made in China |
| MOQ |
3 Ton/Size |
| Transportation |
Land transportation by truck or train, sea transportation by container ship or bulk ship. |
| Delivery Condition |
Symbol |
Description |
| As-drawn |
BK |
No heat treatment after last cold drawing pass |
| Cold-finished, soft |
BKW |
After last heat treatment, slight cold drawing |
| Annealed |
GBK |
After the final cold drawing process, the tubes are annealed in a controlled atmosphere |
| Stress-relieved |
BKS |
After the final cold drawing process, the tubes are stress-relieved in a controlled atmosphere |
| Normalized |
NBK |
After the final cold drawing operation, the tubes are normalized in a controlled atmosphere |
Applications of EN 10305-1 Seamless Cold Drawn Precision Steel Tubes
Automotive Industry
Fuel Injection Systems: Used for manufacturing fuel injection lines and systems due to their high precision and ability to withstand high pressures.
Hydraulic Lines: Utilized in hydraulic systems and power steering systems in vehicles, requiring high strength and reliability.
Brake Systems: Employed in the production of brake lines and components due to their durability and precision.
Mechanical Engineering
Hydraulic and Pneumatic Cylinders: Ideal for hydraulic and pneumatic cylinders because of their smooth internal surfaces and precise dimensions.
Machinery Parts: Used for producing precision mechanical parts, including shafts, spindles, and other critical components.
Bearing Sleeves: Applied in the manufacture of bearing sleeves and other machine elements that require precise tolerances.
Aerospace Industry
Aircraft Components: Used in the production of critical aircraft components where high strength, precision, and reliability are essential.
Hydraulic Systems: Employed in hydraulic systems of aircraft due to their ability to handle high pressure and provide accurate control.
Medical Equipment
Medical Devices: Utilized in manufacturing medical devices and equipment that require high precision and cleanliness, such as surgical instruments and diagnostic tools.
Implants: Used in making medical implants, such as prosthetics and surgical rods, due to their biocompatibility and precision.
Oil and Gas Industry
Control and Instrumentation Lines: Used for control and instrumentation lines in oil and gas exploration and production, where high pressure and corrosion resistance are crucial.
Flow Lines: Employed in flow lines and tubing for various applications within the oil and gas industry.
Industrial Equipment
Heat Exchangers: Used in the manufacture of heat exchangers and condensers due to their excellent thermal conductivity and mechanical properties.
Boiler Tubes: Utilized in boiler systems where high pressure and temperature resistance are required.
Construction
Structural Applications: Applied in construction for structural applications requiring high strength and precise dimensions.
Scaffolding: Used in scaffolding systems where strength, durability, and safety are essential.
Energy Sector
Power Plants: Employed in power plants for various applications such as steam generation and fluid transfer due to their ability to withstand high pressure and temperature.
Renewable Energy: Utilized in renewable energy systems, such as wind and solar energy, for structural and mechanical components.
Marine Industry
Shipbuilding: Used in shipbuilding for various applications including hydraulic systems, structural components, and engine parts due to their corrosion resistance and high strength.
Food and Beverage Industry
Hygienic Applications: Employed in the food and beverage industry for hygienic applications where precision, cleanliness, and corrosion resistance are essential.
