| Model: | PIPE |
|---|---|
| Brand: | UNITE |
| Origin: | Made In China |
| Category: | Metallurgy , Mining & Energy / Metallurgy & Mining / Piping Tubing |
| Label: | Hydraulic Pipe , ST52 TUBE , HONED TUBE |
| Price: |
US $1500
/ MT
|
| Min. Order: | 2 MT |
| Live Chat: |  | Last Online:28 May, 2014 |
ST52 is low carbon steel grade, excellent weldable, the most widely used steel grade used for cylinder tubes. Normally supplied stressed relieved and annealed or normalized.
ST52 Hydraulic Pipe applicable to oil industry, mechanical equipment, engineering machinery, automobile etc fields, like hydraulic pressure, pneumatic cylinder,oil pump barrel.
DIN 2391-1 Seamless Precision Steel Tubes
DIN 2391-2 Seamless Precision Steel Tubes
EN 10305 -1 Steel Tubes for Precision Applications
| DIN | DIN | EN | GB |
|---|---|---|---|
| ST52 | ST52.3 | E355 | Q345 |
| C | Si | Mn | P | S |
|---|---|---|---|---|
| 0.20 max | 0.55 max | 1.60 max | 0.035 max | 0.030 max |
| BK | BK | BKS | BKS | BKS |
|---|---|---|---|---|
| Rm Mpa | A % | Rm Mpa | ReH Mpa | A % |
| 640 min | 5 min | 600 min | 520 min | 14 min |
*Low temperature impact test upon request (27J/-20°C).
| Process | ID mm | Length m | Straightness mm | ID tolerance | ID troughness Ra |
|---|---|---|---|---|---|
| Cold Rolled | 30-200 | 12 max | 0.3-1.0/1000 | H8-H10 | 0.4-1.6 μm |
| Cold Drawn | 30-400 | 12 max | 0.3-1.0/1000 | H8-H10 | 0.8-1.6 μm |
| Honed | 30-500 | 12 max | 0.3-1.0/1000 | H8-H9 | 0.4-0.8 μm |
| SRB | 60-300 | 9 max | 0.3-1.0/1000 | H8 | 0.1-0.4 μm |
EN 10204/3.1 with all relevant data reg. chem. composition, mech. properties and results of testing.
With anti-rust oil on inner diameter of each pipe，tube caps on both ends, hexagonal bundles of max 3,000 kg with several steel strips, nylon bag and waterproof paper package each bundle. Of course, customers can customize other packing way.
