
Business Type: Manufacturer
Main Products:HYDRAULIC CYLINDER TUBE Cold Drawn TubeCold rolled TubeHoned TubeSRB Tube
ID:22030970914
Category: Manufacturing & Processing Machinery Engineering & Construction Machinery
MOQ:5.00 Ton(s)
cold drawn steel pipecold drawn pipesteel pipecylinder steel pipe
L/CT/T
Yantai xinpeng steel pipe have established in 1992. Main products as follows:
1. Hydraulic Cylinder Tube------Main products of Xinpeng,
Used in the hydraulic cylinder of the heavy machinery, Cranes, excavator also forklifts. Material is various, mainly STKM-13CT ST52 CK45 and 1020. We can work and get the mechanical property of the clients need and extended the life of the hydraulic cylinder.
2. Honed tube ----- used in Elevator buffer and Hydraulic Cylinder. This kind tube have a better roughness inner the tube, ra0.2-0.4um and can use directly in the hydraulic cylinder tube. Range: ID 50-250mm and Length can work at most 6M.
3. Cold finished tube---- Widely Used. Processing range 30-300mm, biggest length is 11M.

Precision Seamless Hydraulic Cylinder H8 Honed Steel Tube
honed tube |SRB /honing tube
The hydraulic cylinder tube is the main part of the hydraulic cylinder.The inner hole of the hydraulic cylinder tube usually precision processed by boring,reaming,rolling or honing.By these process can ensure the piston,sealing elements and the support elements move smoothly,then ensure the sealing effect and reduce the abrasion.The hydraulic cylinder tube will bear big pressure,so need high strength and stiffness.

MECHANICAL PROPERTIES (we do much better than this)
Condition | Material Grade | T.S (MPa) lowest | Y.S (MPa) lowest | Elongation (%) |
BKS | ST35 (10#) | ≥420 | ≥315 | ≥14 |
BKS | ST45(20#) | ≥520 | ≥375 | ≥12 |
BKS | ST52(16Mn) | ≥580 | ≥420 | ≥10 |
GBK | ST35 (10#) | ≥315 | ≥35 | |
GBK | ST45(20#) | ≥390 | ≥32 | |
GBK | ST52(16Mn) | ≥490 | ≥30 | |
NBK | ST35 (10#) | 340-470 | ≥235 | ≥32 |
NBK | ST45(20#) | 440-570 | ≥255 | ≥30 |
NBK | ST52(16Mn) | 490-630 | ≥335 | ≥28 |
Material chemical composition of cylinder barrel:
Material | Chemical composition | ||||||
C (%) | Si (%) | Mn (%) | P (%) | S (%) | Cr (%) | Mo (%) | |
SAE1020/AISI1020/S20C material : 20# | 0.17-0.24 | 0.17-0.37 | 0.4-0.7 | 0.030 max | 0.025 max | - | - |
SAE1026/25Mn | 0.22-0.28 | 0.15-0.35 | 0.6-0.9 | 0.030 max | 0.030 max | - | - |
SA1045/S45C,CK45,C45E | 0.42-0.50 | 0.17-0.37 | 0.5-0.8 | 0.030 max | 0.025 max | - | - |
ST52/ST52.3/ST52.4/E355/Q345B | 0.22 max | 0.55 max | 1.60 max | 0.025 max | 0.025 max | - | - |
27SiMn GB standard | 0.24-0.32 | 1.1-1.4 | 1.1-1.4 | 0.035 max | 0.035 max | - | - |
SAE4130/34CrMo | 0.28-0.33 | 0.15-0.35 | 0.4-0.6 | 0.035 max | 0.035 max | 0.9-1.2 | 0.15-0.30 |
SAE4140/42CrMo | 0.38-0.45 | 0.4 max | 0.6-0.9 | 0.035 max | 0.035 max | 0.9-1.2 | 0.15-0.30 |

Any need, please feel free to contact us at info@yt-xinpeng.com Tel:86-535-6835398

Business Type:Manufacturer
Online Supplier