Skived and Roller Burnished Pipe SRB Tube Better Roughness
Specifications
1.skived and roller burnished pipe SRB tube better roughness2.NO MOQ
3.Widly Used
4.Fast Shipment
5.Advantace Technology
skived and roller burnished pipe SRB tube better roughness
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
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!
Application:
hydraulic cylinder tube st52 din2391 widely used in hydraulic system with precision steel tube, injection molding machine with precision steel tube, hydraulic press with precision steel tube, shipbuilding with steel tube, EVA foaming, hydraulic machinery, hydraulic cutting machine, shoe making machinery, hydraulic equipment, high pressure tubing, hydraulic tubing, card sets of joints, pipe joints, rubber machinery, forging machinery, casting machinery, engineering machinery, automotive high pressure steel pipe concrete pump, sanitation vehicle, automobile industry, shipbuilding industry, metal processing, military industry, diesel engine, the internal combustion engine, air compressor, construction machinery, forestrymachinery, etc.
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 is any Question, please feel free to send us inquiry.
We will provide the professional Explanation.
We always do our Best!
Why you choose us as your best choice?
- Our quality is the top five in China. Raw material is mainly from some famous refinery steel mills, such as BAO STEEL, Tianjin, and Chengdu etc, which are the best and largest raw material manufacturers in China.
- we have been through ISO9001:2008 international quality system certification.
- Warranty period for our honed tubes and chrome bars is 2 years. For some special or important customers, the period is 5 years.
- All the orders, records of production and inspection would be kept for 5 years
- High Precision:
Honed tube (Roughness of tube is 0.2μm and straightness is less than 0.15/1000), piston rod (Plating thickness is 10-100 micron. Surface roughness is 0.2μm and straightness is also less than 0.15/1000)
Product details are completely according to International Standard, chrome rod and honed tube must be cut flatly, and no chrome marks on the surface of rod. (Most of domestic mills don’t do this in order to reduce cost)
- Delivery time is very fast. The average delivery time is 5-30 days after confirming the orders.
- Package:banding with steel strips, braiding parcel at outside
- Conservation: Anti rust oiled coating on the inside and outside of the surface, plastic caps at both ends.
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