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Hydraulic Pillar Tubes
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Product Details
| Thickness | 3.38, 35.71 | Section Shape | Round | |
| Outer Diameter | 33.4 - 355.6 mm | Place of Origin | Shandong, China | |
| Secondary Or Not | Non-secondary | Application | Hydraulic Pipe | |
| Technique | Hot Rolled | Certification | Other, ISO | |
| Surface Treatment | Other, Paint | Special Pipe | Thick Wall Pipe | |
| Alloy Or Not | Non-alloy |
Product Description
Specifications
1)OD:35--370mm2)WT:2--80mm
3)API 5L and API 5CT certificate
4) ISO certificate
Hydraulic pillar tubes:
Seamless Hot-rolled Steel Tubes for Hydraulic Pillar Service
Standard: GB/T17396-1998
Application:
Used in making the coal mine hydraulic support and the pillar and other hydraulic equipment.
Mechanical Properties
Grade | Sample Heat Treatment | Tensile Strength Mpa | Yield Strength Mpa | Elongation % | Impact Energy % | Aku(J) Ballistic Work | HB Hardness MAX |
20 35 45 |
| 400 510 590 | 245 305 335 | 20 17 14 |
|
|
|
27SiMn | 920°C±20°C Water quenching, 450°C±50°C Temper, coolant: oil or water | 980 | 835 | 12 | 40 | 39 | 217 |
Chemical Composition
Grade | Chemical Composition | Nb | |||||||
C | Si | Mn | P≤ | S≤ | Cr≤ | Ni≤ | Cu≤ | ||
20 | 0.17-0.24 | 0.17-0.37 | 0.35-0.65 | 0.035 | 0.035 | 0.25 | 0.25 | 0.20 |
|
35 | 0.32-0.40 | 0.17-0.37 | 0.50-0.80 | 0.035 | 0.035 | 0.25 | 0.25 | 0.20 |
|
45 | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | 0.035 | 0.035 | 0.25 | 0.25 | 0.20 |
|
27SiMn | 0.24-0.32 | 1.10-1.40 | 1.1-1.4 | 0.035 | 0.035 | 0.30 | 0.30 | 0.30 |
|
Products can be also supplied according to the standard of ASTM A519, DIN 1629, JIS G3473.
Contact Us
- Shandong Zhongzheng Steel Pipe Manufacturing Co., Ltd.
- Contact nameManager Xu Chat Now
- Phone86-635-8880099
- Addressmudanjiang north road, Liaocheng, Shandong
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