DIN 2391 ST52 Precision Seamless Steel Tube 120mm OD 20mm WT Cold Drawn Honed for Hydraulic Cylinder Barrel
Product Details
| Materialqualität: | DIN 2391 ST52 / 1.0580 / E355 | Außendurchmesser: | 120mm |
|---|---|---|---|
| Wandstärke: | 20mm | Innendurchmesser: | 80 mm nach dem Honen |
| Herstellungsprozess: | Nahtlos kaltgezogen + geschält und walzenpoliert / geschliffen | ID-Oberflächenrauheit: | Ra ≤0,4μm (Honen) / Ra ≤0,2μm (SRB) |
| ID Toleranz: | H8 / H9 nach ISO 286 | Geradlinigkeit: | ≤1mm pro 1000mm |
| zerstörungsfreie Prüfung: | 100 % Ultraschallprüfung, Maßprüfung | ||
| Hervorheben |
ST52 Honed Cylinder Tube,DIN 2391 Precision Grade,120mm Hydraulic Barrel |
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Product Description
DIN 2391 ST52 (1.0580 / E355) cold drawn honed seamless precision steel tubes are the industry standard for hydraulic cylinder barrel manufacturing. With a precisely honed or skived-and-roller-burnished (SRB) inner surface, these tubes deliver the tight dimensional tolerances and surface finish required for reliable hydraulic piston seal performance.
- Cold Drawn Base Tube: Seamless ST52 steel tube cold drawn to achieve close OD/ID/wall thickness tolerances
- Skiving & Roller Burnishing (SRB): Advanced finishing process removes a thin layer (skiving) then cold-works the ID surface (burnishing) for Ra ≤0.2μm finish
- Honing Option: Conventional honing available for larger diameters with Ra ≤0.4μm surface finish
- High Strength Grade: ST52 provides excellent weldability and superior mechanical properties for demanding hydraulic applications
- Straightness Guaranteed: ≤1mm per meter ensures smooth piston travel without binding
| Parameter | Specification |
|---|---|
| Standard | DIN 2391 / EN 10305-1 |
| Material Grade | ST52 / E355 / 1.0580 |
| Tensile Strength | ≥520 MPa |
| Yield Strength | ≥355 MPa (at wall thickness ≤16mm) |
| Elongation | ≥22% (longitudinal) |
| ID Surface Hardness | Burnished surface: 10-15% hardness increase |
Hydraulic cylinder barrels, pneumatic cylinders, telescopic cylinders, construction machinery cylinders (excavator, loader, crane), agricultural equipment hydraulic systems, marine steering cylinders, and industrial press cylinders.
Product Highlights
Kaltgezogenes, geschliffenes, nahtloses Präzisionsstahlrohr nach DIN 2391 ST52 (1.0580) für die Herstellung von Hydraulikzylinderrohren mit hervorragender Innenoberflächenbeschaffenheit und engen Toleranzen.
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