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Help CenterSTKM13CT Surface Polised Inner Honed Hydro-cylinder Tube
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Specifications
1.STKM13CT Surface polised inner honed hydro-cylinder Tube2.NO MOQ
3.Widly Used
4.Fast Shipment
5.Advantace Technology
STKM13CT Surface polised inner honed hydro-cylinder Tube
1 OD32-500mm W.T.3.5-80mm 2 ISO certificated DIN2391 En10305 3 Straightness:0.3~1mm/m 4 Inside Roughness:0.4~0.8um
steel pipes for hydraulic use
Material: C20, CK45, etc. also ST52 if given enough time. our products are widely used in hydraulic industry and is very popular both home and abroad.
And we can also make our products according to the customers' needs.
Variety
|
Processing
|
Cylinder diameter |
Length /mm |
Straightness |
Size accuracy |
Wall thickness/mm |
Inner bore roughness |
Cold-drawn |
ID30~OD250 |
≤13M |
0.3~1.0mm/m |
H9-H11 |
±8% |
0.8~1.6um |
Honed tube |
ID50~OD325 |
≤10M |
0.3~1.0mm/m |
H7-H9 |
±8% |
0.4~0.8um |
Mechanics performance
Material |
Tensile strength |
Yield strength |
Elongation
|
Hardness |
Ck20 |
510 σ N/mm2 |
500σsN/mm2 |
5δs% |
175HB |
Ck45 |
660 σN/mm2 |
630σsN/ mm2 |
4δs% |
207HB |
ST52 |
580σ N/mm2 |
420σsN/ mm2 |
10δs% |
190HB |
27SiMn |
840σ N/mm2 |
805σsN/ mm2 |
7.5δs% |
230HB |
Dimension tolerance
ID size |
ID deviation (mm) |
|||
H7 |
H8 |
H9 |
H10 |
|
30 |
+0.021 0 |
+0.033 0 |
+0.052 0 |
+0.084 0 |
>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 |
>315~400 |
+0.0527 0 |
+0.089 0 |
+0.140 0 |
+0.230 0 |
Production Process:
Pretreatment : Pickling—Phosphating—Saponification
Cold drawn/cold rolled
Annealing furnace——+SR
Straightener—— Straightening
Straightness inspecting
Dimension inspecting
x
Sawing
Skiving and Roller burnishing
Products inspecting
- Finished Products
About our service:
1.Cargo track service during transporting and feedback service after cargo is loaded on board
2.Flexible terms of payment by
3.Big discount for repeat customers
4.Smooth delivering procedure
5. Payment Terms: T/T , L/C And so on.
If there are any Question, please Feel free to send us inquiry.
We will provide the professional Explanation.
We always doing our Best!
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