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Basic Info.
Product Description
Seamless Steel Pipe Manufacturer OEM Custom Honed Tubes
Industry-specific attributes
Other attributes
| Mechanical Properties | ||||
| Steel Grade | Tensile strength σ b N/mm² | Yield strength σ s N/mm² | Elongation δ % | Hardness HB |
| 20# | ≥520 | ≥470 | ≥12 | 175 |
| 45#(CK45) | ≥600 | ≥520 | ≥12 | 207 |
| 16Mn(ST52) | ≥600 | ≥520 | ≥15 | 190 |
| 25Mn | ≥600 | ≥520 | ≥15 | 195 |
| 27Simn | ≥800 | ≥720 | ≥10 | 230 |
| ... | ... | ... | ... | ... |
| Products Description | |||||
| Processing form | Cylinder ID (mm) | Length (mm) | Straightness (mm/m) | Tolerance on ID | Roughness (μ/m) |
| Cold drawn | 30-250 | ≤13m | 0.2-0.5 | H9-H11 | 0.8-1.6 |
| Precision rolling | 40-800 | ≤13m | 0.2-0.3 | H7-H9 | 0.2-0.4 |
| Honing | 40-800 | ≤7m | 0.2-0.3 | H7-H9 | 0.4-0.8 |
| Burnished | ≤7m40-400 | ≤7m | 0.2-0.3 | H8 | ≤0.4 |
| Size Table--- Cold Drawn Tube, Precision Tube, Honed Tube, SRB Tube. We can custom your size tube. | ||||||||
| ID (mm) | OD (mm) | WT (mm) | Weight (kg/m) | | ID (mm) | OD (mm) | WT (mm) | Weight (kg/m) |
| 35 | 45 | 5 | 4.932 | | 90 | 108 | 9 | 21.97 |
| 45 | 55 | 5 | 6.17 | | 90 | 114 | 12 | 30.18 |
| 50 | 65 | 7.5 | 10.63 | | 100 | 110 | 5 | 12.95 |
| 50 | 68 | 6 | 9.17 | | 100 | 111 | 5.5 | 14.31 |
| 50 | 70 | 10 | 14.8 | | 100 | 114 | 7 | 18.47 |
| 55 | 65 | 5 | 7.398 | | 100 | 121 | 10.5 | 28.61 |
| 56 | 68 | 6 | 9.2 | | 100 | 127 | 13.5 | 37.79 |
| 63 | 73 | 5 | 8.38 | | 110 | 127 | 8.5 | 24.84 |
| 63 | 76 | 6.5 | 11.14 | | 110 | 133 | 11.5 | 34.46 |
| 63 | 80 | 8.5 | 15 | | 110 | 140 | 15 | 46.24 |
| 63 | 83 | 10 | 18 | | 115 | 135 | 10 | 30.83 |
| 70 | 80 | 5 | 9.25 | | 120 | 140 | 10 | 32.058 |
| 70 | 82 | 6 | 11.245 | | 125 | 137 | 6 | 19.38 |
| 70 | 83 | 6.5 | 12.26 | | 125 | 140 | 7.5 | 24.51 |
| 70 | 85 | 7.5 | 14.33 | | 125 | 146 | 10.5 | 35.09 |
| 70 | 90 | 10 | 19.73 | | 125 | 152 | 13.5 | 46.12 |
| 75 | 88 | 6.5 | 13.06 | | 130 | 159 | 11 | 38.25 |
| 75 | 90 | 7.5 | 15.258 | | 135 | 159 | 12 | 43.5 |
| 75 | 95 | 10 | 20.96 | | 140 | 159 | 9.5 | 35.03 |
| 80 | 85 | 2.5 | 5.09 | | 140 | 168 | 14 | 53.167 |
| 80 | 90 | 5 | 10.48 | | 150 | 168 | 9 | 35.29 |
| 80 | 92 | 6 | 12.73 | | 150 | 180 | 15 | 61.03 |
| 80 | 95 | 7.5 | 16.18 | | 150 | 194 | 22 | 93.31 |
| 80 | 100 | 10 | 22.194 | | 160 | 170 | 5 | 20.34 |
| 80 | 102 | 11 | 24.685 | | 160 | 180 | 10 | 41.92 |
| ID Size (mm) | ID Tolerance | Tolerance of Wall Thickness | ||||
| H7 | H8 | H9 | H10 | H11 | ±5% | |
| 30 | +0.0210 | +0.0330 | +0.0520 | +0.0840 | +0.1300 | |
| >30-50 | +0.0250 | +0.0390 | +0.0620 | +0.1000 | +0.1600 | |
| >50-80 | +0.0300 | +0.0460 | +0.0740 | +0.1200 | +0.1900 | |
| >80-120 | +0.0350 | +0.0540 | +0.0870 | +0.1400 | +0.2200 | |
| >120-180 | +0.0400 | +0.0630 | +0.1000 | +0.1600 | +0.2500 | |
| >180-250 | +0.0460 | +0.0720 | +0.1150 | +0.1850 | +0.2900 | |
| >250-315 | +0.0520 | +0.0810 | +0.1300 | +0.2100 | +0.3200 | |
| >315-400 | +0.0570 | +0.0890 | +0.1400 | +0.2300 | +0.3600 | |
| Cylinder Barrel Pressure Table We can custom your size cylinder barrel. | ||||||
| ID*WT (mm) | Safety factor (n) | Max withstand voltage (MPa) | | ID*WT (mm) | Safety factor (n) | Max withstandvoltage (MPa) |
| 32*4 | 3 | 48.85 | | 110*9 | 3 | 31.97 |
| 40*2.5 | 3 | 21.25 | | 110*11.5 | 3 | 40.83 |
| 40*5 | 3 | 48.84 | | 110*12.5 | 3 | 44.37 |
| 40*5.5 | 3 | 53.72 | | 110*15 | 3 | 53.21 |
| 45*4 | 3 | 34.74 | | 120*10 | 3 | 32.56 |
| 45*5 | 3 | 43.42 | | 120*13 | 3 | 42.30 |
| 45*6 | 3 | 52.09 | | 125*4 | 3 | 10.88 |
| 45*7 | 3 | 65.08 | | 125*5 | 3 | 13.6 |
| 50*2.5 | 3 | 17 | | 125*7.5 | 3 | 20.4 |
| 50*4 | 3 | 31.27 | | 125*10.5 | 3 | 32.82 |
| 50*5 | 3 | 39.08 | | 125*13.5 | 3 | 42.17 |
| 50*6.5 | 3 | 50.79 | | 125*17 | 3 | 53.05 |
Powersen Group consists of six branch factories including Shandong Powersen Machinery Co., Ltd. & Qingzhou Longyue Hydraulic Machinery Co., Ltd. etc. As a professional factory with 20 years industry experience, Powersen Group produce & export tube parts like cold drawn tube, precision rolled tube, honing tube, skived and rolled burnished tube, etc. Shaft parts like chrome plated rod, precision slender shaft, guide pillar, piston rod, etc. Hydraulic components like oil cylinder assembly, air cylinder assembly, oil cylinder block, air cylinder block, priority valve, diverter valve, gear pump, multi-way valve, etc. Minor lifting equipment like small gantry crane, balancing crane, folding arm crane, jib crane. Mini-loader, mini-excavator, tractor series products. Products are well known at home and abroad, since 2013 we have exported to more than 50 countries & regions around the world. Products are widely used in field of hydraulic machinery, construction machinery, petroleum machinery, agricultural machinery, filling machinery, mining machinery, industrial equipment, transportation and marine work platform. The company focuses on product development, innovation & upgrading, professional team and QC/QA system ensure the high-class customized services and solutions to our customers. Powersen machinery, Better technology, Better life!
1.We are factory, our products more than 95% are make by us, we have many clients from all over the world to visit our factory,and we have best quality and servise .
We are a factory, powerful manufacturer integrating factory and trade. Powersen is belong with LONGYUE HYDRAULIC MACHINERY CO.,LTD. We are located in Weifang City, Shandong Province, China, since 2022. Welcome to visit our factory.
2. How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.What can you buy from us?
Cylinder Tube, Cylinder barrel, Piston Rod, Valve and Pump, Balance Crane, Engineering Machinery etc.
4. Why should you buy from us not from other suppliers?
We are a powerful manufacturer integrating industry and trade . we have advanced production equipment ,can be produce all kinds of materials and specification cylinder tube/hydraulic cylinders/piston rod/accessories, we have GB/T,EN,DIN standard certified etc. Good quality control,cheaper price and fast delivery.