Seamless
Cold Drawn
Carbon Steel
Oiled
Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Mining, Construction & Decoration
Round
XL
in Container
30*3-426*70MM
China
7304291000
Product Description
Product Description
Hydraulic Cylinder Honed Tube
Standard: ASTM A519, DIN2391, EN10204-1
Grade: 1020, C45, ST52, ST52.3, 27SiMn, 25Mn
Technology: Cold Drawn, Cold roll, Honed, Skived, Burnished
Application: construction machinery, metallurgical machinery, plastic machinery, mining machinery, road construction machinery, hydraulic and pneumatic cylinders
Size
Chemical Composition
Mechanical Property
Size Tolerance(mm)
Standard: ASTM A519, DIN2391, EN10204-1
Grade: 1020, C45, ST52, ST52.3, 27SiMn, 25Mn
Technology: Cold Drawn, Cold roll, Honed, Skived, Burnished
Application: construction machinery, metallurgical machinery, plastic machinery, mining machinery, road construction machinery, hydraulic and pneumatic cylinders
Size
| Manufacturing Process | Tube ID | Length | Straightness | Dimensional Accuracy | Tolerance on ID | Inner Bore Roughness |
| honing | Φ40-800mm | ≤13m | 0.2-0.3mm | H8~H9 | ±8% | <=0.8 um |
Chemical Composition
| grade | C | Si | Mn | P | S | Cr | Ni | Cu | V | Al |
| 1020 | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | <=0.035 | <=0.035 | <=0.25 | <=0.30 | <=0.25 | - | - |
| C45 | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | <=0.035 | <=0.035 | <=0.25 | <=0.30 | <=0.25 | - | - |
| 16Mn | 0.13-0.19 | 0.20-0.60 | 1.20-1.60 | <=0.030 | <=0.030 | <=0.030 | <=0.30 | <=0.25 | - | - |
| 27SiMn | 0.24-0.32 | 1.10-1.40 | 1.10-1.40 | <=0.035 | <=0.035 | <=0.30 | <=0.30 | <=0.20 | - | - |
| ST52 | <=0.20 | <=0.50 | <=1.70 | <=0.035 | <=0.035 | <=0.30 | <=0.50 | <=0.30 | <=0.15 | - |
| ST52.3 | <=0.18 | <=0.50 | <=1.70 | <=0.030 | <=0.25 | <=0.30 | <=0.50 | <=0.30 | <=0.15 | ≥0.015 |
Mechanical Property
| Grade | Cold finished (hard) (BK) | Cold finished (hard) (BK+S) | Hardness | Impact Value (-20°C) J | |||
| T.S bN/mm2 | Elongation 85% | T.S bN/mm2 | Y.S SN/mm2 | Elongation 85% | |||
| 1020 | ≥550 | ≥8 | ≥520 | ≥400 | ≥15 | 170 | -- |
| C45 | ≥680 | ≥5 | ≥630 | ≥520 | ≥12 | 190 | -- |
| 16Mn | ≥640 | ≥5 | ≥600 | ≥520 | ≥14 | 160 | -- |
| 27SiMn | ≥780 | ≥5 | ≥700 | ≥580 | ≥10 | 220 | -- |
| ST52 | ≥660 | ≥8 | ≥620 | ≥520 | ≥15 | 190 | -- |
| ST52.3 | ≥660 | ≥8 | ≥620 | ≥520 | ≥15 | 190 | ≥27 |
Size Tolerance(mm)
| ID size | ID Tolerance | WT Tolerance | ||||
| H7 | H8 | H9 | H10 | H11 | ||
| 30 | +0.0210 | +0.0330 | +0.0520 | +0.0840 | +0.1300 | ±5% |
| >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 | +0.072 | +0.1150 | +0.1850 | +0.2900 | |
| >250-315 | +0.0520 | +0.0810 | +0.1300 | +0.2100 | +0.3200 | |
| >315-800 | +0.0570 | +0.0890 | +0.1400 | +0.2300 | +0.3600 | |
| OD | Tolerance | OD | Tolerance |
| ≤Φ40 | ±0.15 | Φ160~200 | ±0.80 |
| Φ40~60 | ±0.25 | Φ200~240 | ±1.00 |
| Φ60~80 | ±0.30 | Φ240~340 | ±1.50 |
| Φ80~100 | ±0.40 | Φ340~440 | ±2.00 |
| Φ100~160 | ±0.50 | Φ440~520 | ±2.50 |
