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Specifications
Yop Quality Honed cold drawn cylinder tube1.OD30~250mm
2.WT2~30mm
3.Straightness:0.3~0.8mm/m
4.Used for cylinder
Yop Quality Honed cold drawn cylinder tube
Yantai Xinpeng Steel Pipe leading products for the hydraulic and pneumatic cylinder with precision inner diameter seamless steel tube, the products are widely used in machinery, metallurgy, textile, automobile and other fields, and customized according to customer needs. The company has 250 tons of hydraulic unit and high precision cold drawn and high-power annealing furnace, with 8 meters, 3 meters high precision deep hole boring machine, with dozens of honing units such as the complete mechanical processing equipment for product quality testing equipment. The company has passed ISO9001:2008 international.
The hydraulic cylinder and pneumatic cylinder with high precision cold drawn steel tubes, honing tube
Technical parameters
Material: 20 # 45 # 16 mn 25 mn 27 simn, etc
The biggest delivery length: 12 m or less () according to the requirements of customers
Inside diameter tolerance standard: H8 ~ H9
Processing: cold drawn, to stress, honing
Steel pipe diameter size: 30 ~ 500 mm thickness: 2.5 ~ 55
Straightness: 0.2/1000 ~ 0.5/1000
The inner surface roughness: Ra = 0.2 ~ 1.6 um
Execution standard: GB8713-88 ISO4394/1-1980 (E)
Variety
|
Processing
|
Cylinder diameter |
Length /mm |
Straightness mm/m |
Size accuracy |
Wall thickness/mm |
Inner bore roughness um |
Cold-drawn |
ID40~OD320 |
≤12M |
0.2~0.5 |
H8-H10 |
±5% |
0.8~1.6 |
|
Cold rolled
|
ID30~OD100 |
≤12M |
0.2~0.5 |
H8-H10 |
±5% |
0.8~1.2 |
|
Cold rolled - honing
|
ID40~OD500 |
≤8M |
0.2~0.3 |
H8-H9 |
±5% |
0.2~0.8 |
|
Cold drawn - rolling
|
ID40~OD400 |
≤7M |
0.2~0.3 |
H8-H9 |
±5% |
0.2~0.4 |
|
Deep hole boring and honing
|
ID320~OD500 |
≤8M |
0.2~0.3 |
H8-H9 |
±8% |
0.2~0.8 |
|
Deep hole boring and rolling
|
ID320~OD500 |
≤7M |
0.2~0.3 |
H8-H9 |
±8% |
0.2~0.4 |
Mechanics performance
Material |
Tensile strength |
Yield strength |
Elongation δs% |
Hardness |
Ck20 |
530σ N/mm2 |
505σsN/mm2 |
12 |
175HB |
Ck45 |
660σN/mm2 |
630σsN/ mm2 |
6 |
207HB |
16Mn |
595σN/mm2 |
570σsN/ mm2 |
9 |
190HB |
25Mn |
600σN/mm2 |
520σsN/ mm2 |
15 |
195HB |
27SiMn |
840σ N/mm2 |
805σsN/ mm2 |
7.5 |
230HB
|
| Raw material | → | Cold drawn | → | Heat treatment BK+S |
→ | Honed & SRB | → | Packing |
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 regular customer
4.Smooth delivering procedure
5. Payment Terms: T/T , L/C And so on
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.
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