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Honed tube is usually a CDS (Cold drawn seamless) steel tube or DOM (Drawn Over Mandrel) steel tube with inside diameter honed or skived &roller burnished, so honed tubing is with extremely precise ID dimensions and smoothly ID surface.
Honed tubes are broadly utilized to produce and repair hydraulic cylinders and pneumatic cylinders. So in many fields, the honed tube is called cylinder tube also.
Honed tube usually is produced by two main manufacturing process, which are honing process or skiving & roller burnishing process. The mother tube we usually use “Suitable To Hone” Cold Drawn Seamless Tubes. The process of the honed pipe is determined upon the dimension, mold available and the requirement of the customer.
Materials:
The most popular material of our honed tubes is carbon steel grade SAE 1020. And we also produce honed cylinder tubes in other materials such as SAE 1026, E355 and ST52.3, stainless steel and so on.
Size Range:
As the leading hydraulic cylinder honed tube suppliers, most of the factories can produce honed cylinder tubes in a wide range of metric sizes and imperial sizes. Here below is the typical size range of honed tubes.
Inside Diameter 32mm to 600mm; Imperial sizes equally.
Normally honed tubing is supplied in fixed length or random lengths, the max. Length of honed tube is 14 meters, sometimes even longer for special application purpose.
CHEMICAL COMPOSITION % max | ||||||
Steel grade | C | Si | Mn | P | S | Nb or V |
STC 370 | 0.25 | 0.35 | 0.30-0.90 | 0.04 | 0.04 | - |
STC 440 | 0.25 | 0.35 | 0.30-0.90 | 0.04 | 0.04 | - |
STC 510 A | 0.25 | 0.35 | 0.30-0.90 | 0.04 | 0.04 | - |
STC 510 B | 0.18 | 0.55 | 1.5 | 0.04 | 0.04 | - |
STC 540 | 0.25 | 0.55 | 1.6 | 0.04 | 0.04 | 0.15 max |
STC 590 A | 0.25 | 0.35 | 0.30-0.90 | 0.04 | 0.04 | - |
STC 590 B | 0.25 | 0.35 | 1.5 | 0.04 | 0.04 | - |
Remark: STC 550 Nb in combination with V may be added. In this case the maximum value of Nb+V shall be 0.15% | ||||||
MECHANICAL PROPERTIES min | |||
Steel grade | Tensile strength Mpa | Yeild point or proof stress Mpa | Elongation % |
STC 370 | 370 | 251 | 30 |
STC 440 | 440 | 305 | 10 |
STC 510 A | 510 | 380 | 10 |
STC 510 B | 510 | 380 | 15 |
STC 540 | 540 | 390 | 20 |
STC 590 A | 590 | 490 | 10 |
STC 590 B | 590 | 490 | 15 |
category | Tolerance on Wall thickness |
Hot-finished seamless steel tube | ±12.5% however the minimum value is 0.5mm |
Cold-finished seamless steel tube | ±10% however the minimum value is 0.3mm |
Cole finished electric resistance welded steel tube | ±8% however the minimum value is 0.15mm |
Processes of manufacture and heat treatment | |||
Designation of grade | Process of manufacture | Heat treatment | Application |
STC 370 | Hot finishing seamless | As manufactured | Cutting |
STC 440 | Cold finishing electric resistance welding | As cold drawn or stress relieving | Honing |
STC 510 A | Cold finishing seamless | As cold drawn or stress relieving | Cutting and honing |
| Cold finishing electric resistance welding | As cold drawn or stress relieving | Honing |
STC 510 B | Cold finishing seamless | Stress relieving | Cutting and honing |
| Cold finishing electric resistance welding | Stress relieving | Honing |
STC 540 | Hot finishing seamless | As manufactured | Cutting |
STC 590 A | Cold finishing seamless | As cold drawn or stress relieving | Cutting and honing |
STC 590 B | Cold finishing seamless | Stress relieving | Cutting and honing |
| ASTM A513 T5 DOM tubing cold drawn honed tube | ASTM A513 1026 Dom Tube Honed Cylinder Pipe |
| DOM Steel Tube Welded Carbon Steel Pipe | ASTM API Standard dom steel tube |
| SA 513 ERW DOM tube | Hydraulic Cylinder Honed Dom Tube |
| Welded Precision Cold Drawn DOM Steel Tube | using steel pipe to plumb hydraulics |
| DIN 2391 ST37.4 ST52.4 precision dom e355 tube | what is the name given to hydraulic steel pipe |
| ASTM A513 4130 Cold Drawn Welded DOM Steel Tube | wholesale stainless steel pipe hydraulic press |
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