E355 ST52 Hydraulic Cylinder Honed Tube
Product Detail
Honed tube is a precision seamless tube with high dimensional accuracy and good surface finish after cold drawing and cold rolling, suitable for mechanical structures and hydraulic equipment. Using precision seamless steel pipes to manufacture mechanical structures or hydraulic equipment can greatly save processing time, improve material utilization, and improve product quality.
Honed tube is processed by scraping and rolling. Because the surface layer has residual compressive stress on the surface, it is helpful to close the surface micro cracks and hinder the expansion of Erosion. This improves the surface corrosion resistance and can delay the generation or expansion of fatigue cracks, thereby improving the fatigue strength of the quilted tube. By rolling forming, a cold work hardening layer is formed on the rolling surface, reducing the elastic and plastic deformation of the contact surface of the grinding pair, thereby improving the wear resistance of the inner wall of the grinding tube. After rolling, the reduction of surface roughness value can improve the fitting properties
High precision and high finish,
the finish can reach
Ra 0.2-0.4um.
High pressure without oil leakage
The honing process is adopted to meet the requirements of the inner hole.
It is mainly used to hydraulic cylinder components.
Tolerance H8 H9
For outer cylinder of oil cylinder
It is mainly used to pneumatic or hydraulic components
Specification
Honed Tube Parameters |
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Product name |
Hydraulic cylinder tube /Honed tube /Seamless honed steel tube |
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Standard |
GB/T3639-2000 DIN2391 EN10305 ASTM A519 |
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Metarial |
C20 CK45 Q355B Q355D E355/ST52 SAE1026 4130 4140 STKM 13C |
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Heat Treatment |
BK, BK+S, GBK, NBK |
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Size |
I.D:30mm-400mm |
O.D:40mm-480mm |
Length |
Fixed length ,Random length or as requests of customers |
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Straightness |
0.5-1/1000 |
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ID roughness |
RA 0.1-0.8micron(max) |
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Tolerance EXT: |
DIN2391, EN10305, GB/T 1619 |
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Tolerance INT: |
H7, H8, H9 |
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Technology |
Honed & SRB(SKIVED AND ROLLER BURNISHED) Acid pickling / phosphorization /cold drawn /cold rolled /annealing/ anaerobic annealing |
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Application |
Honed tube for hydraulic cylinder,swivel crane,injection machine and construction machine application |
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Conservation |
Anti rust oiled inside and outside surface, plastic caps in both ends |
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Package |
Bundle with steel strip and knitting strip, or wooden case |
ID(mm) |
Honed Tube Tolerance (mm) |
Thickness (mm) |
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H7 |
H8 |
H9 |
H10 |
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≤30 |
+0.021/0 |
+0.033/0 |
+0.052/0 |
+0.084/0 |
±7.5%>210mm±10% |
30≤50 |
+0.025/0 |
+0.039/0 |
+0.062/0 |
+0.100/0 |
|
50≤80 |
+0.030/0 |
+0.046/0 |
+0.074/0 |
+0.120/0 |
|
80≤120 |
+0.035/0 |
+0.054/0 |
+0.087/0 |
+0.140/0 |
|
120≤180 |
+0.040/0 |
+0.063/0 |
+0.100/0 |
+0.160/0 |
|
180≤250 |
+0.046/0 |
+0.072/0 |
+0.115/0 |
+0.185/0 |
|
250≤315 |
+0.052/0 |
+0.081/0 |
+0.130/0 |
+0.210/0 |
|
315≤700 |
+0.057/1 |
+0.089/0 |
+0.140/0 |
+0.230/0 |