Description
St52 Skiving Pipe – E355 / S355JR High Precision Honed Tube
Dimensions:
- Outer Diameter (O.D): 20 mm – 520 mm
- Inner Diameter (I.D): 12 mm – 510 mm
Specifications:
- I.D Tolerance (mm): H7 – H10
- Roughness (I.D): ≤ 0.3 μm
- Straightness: 0 – 0.60 mm/meter
- Minimum Order Quantity (MOQ): 1.0 – 3.0 tons
Inspection and Quality Control:
- Inspection Types: Chemical analysis, Mechanical analysis, Roughness, Straightness, Surface quality, and Dimension report
- Packaging: Customized according to customer specifications
- Third-party Inspection: Acceptable
Origin:
- Place of Origin: Jiangsu/Hubei, China
Applications of St52 Skiving Pipe
The St52 Skiving Pipe / High Precision Honed Tube is extensively used in various applications, including:
- Hydraulic Systems: Hydraulic cylinders, hydraulic jacks, and hydraulic oil cylinders.
- Pneumatic Systems: Pneumatic cylinders and absorbers.
- Industrial Machinery: Swivel cranes, injection machines, engineering machinery, and transport machinery.
- Oil and Gas: Petrifaction oil pumps and applications in coal mining.
- Automotive: Auto transmission axes and plastic machinery.
- Textile and Printing: Spin printing and dyeing processes.
Quality Standards
Our high precision honed tubes comply with the following quality standards:
- DIN 2391: Seamless Precision Steel Tubes
- EN 10305: Steel Tubes for Precision Applications (Seamless Cold Drawn Tubes)
Chemical Composition (%)
| Steel Grade | C | Si | Mn | P | S |
|---|---|---|---|---|---|
| ST52 | 0.22 max | 0.55 max | 1.60 max | 0.035 max | 0.040 max |
| E355 | 0.22 max | 0.55 max | 1.60 max | 0.030 max | 0.035 max |
Tolerances for Inner Diameter (mm)
| Inner Diameter Range (mm) | H7 | H8 | H9 | H10 |
|---|---|---|---|---|
| 10 < ID ≤ 18 | -0, +0.018 | -0, +0.027 | -0, +0.043 | -0, +0.070 |
| 18 < ID ≤ 30 | -0, +0.021 | -0, +0.033 | -0, +0.052 | -0, +0.084 |
| 30 < ID ≤ 50 | -0, +0.025 | -0, +0.039 | -0, +0.062 | -0, +0.100 |
| 50 < ID ≤ 80 | -0, +0.030 | -0, +0.046 | -0, +0.074 | -0, +0.120 |
| 80 < ID ≤ 120 | -0, +0.035 | -0, +0.054 | -0, +0.087 | -0, +0.140 |
| 120 < ID ≤ 180 | -0, +0.040 | -0, +0.063 | -0, +0.100 | -0, +0.160 |
| 180 < ID ≤ 250 | -0, +0.046 | -0, +0.072 | -0, +0.115 | -0, +0.185 |
| 250 < ID ≤ 315 | -0, +0.052 | -0, +0.081 | -0, +0.130 | -0, +0.210 |
| 315 < ID ≤ 400 | -0, +0.057 | -0, +0.089 | -0, +0.140 | -0, +0.230 |
| 400 < ID ≤ 500 | -0, +0.063 | -0, +0.097 | -0, +0.155 | -0, +0.250 |
