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SSID / DOM Tube Pneumatic Cylinder Honed Hydraulic Cylinder Tubing
Key Attributes
Brand Name:
HY
Place of Origin:
China
Certification:
ISO9001:2008
Minimum Order Quantity:
1tons
Price:
Negotiation
Supply Ability:
30tons a day
Delivery Time:
30days
Payment Terms:
L/C, T/T
Standard Packaging:
Anti rust oil to be applied on material and each rod to be packed in paper sleeve
Product Summary
SSID / DOM Tube Pneumatic Cylinder Honed Hydraulic Cylinder Tubing SSID/DOM TUBE Detailed Product Description With the aid of a special drawing technique, the cold drawn welded tube with a inside smooth and compressed surface can directly used for the hydraulic and pneumatic cylinder application ( ready-to-use). The hoing or burnishing is not required. Compared to the seamless tube, the advantage of the SSID reduce the wall thickness deviation and the material cost.
Product Custom Attributes
Highlight
SSID Pneumatic Cylinder Honed tubing
,DOM Honed Hydraulic Cylinder Tubing
Product:
Honed Tube
Raw Material:
Steel
Specifications:
GB/T, DIN2391, EN10305-1
Delivery Condition:
Stress Relieving Annealed
Length:
5m - 5.8m
Roughness:
Ra 0.2 - 0.4 Um
Product Description
SSID / DOM Tube Pneumatic Cylinder Honed Hydraulic Cylinder Tubing
SSID/DOM TUBE
Detailed Product Description
With the aid of a special drawing technique, the cold drawn welded tube with a inside smooth and
compressed surface can directly used for the hydraulic and pneumatic cylinder application ( ready-to-use). The hoing or burnishing is not required. Compared to the seamless tube, the advantage of
the SSID reduce the wall thickness deviation and the material cost.
Specification:
EN10305-2 , DIN 2393, ASTM A513 Type 6
ID tolerance: H8
ID roughness: Ra ≤ 0.80u
Concentricity < 3%
Delivery status: BK or BKS
Honing or Burnishing process can be provided after SR on SSID tubes with H8 tolerance.
The welded tubes were approved by eddy current testing and ultrasonic testing.
Hydraulic cylinders were also approved by eddy current test.
Finished tubes are also tested by UT and ET,
Ultrasonic Test (EN10246-7),Eddy current test(EN 10246-3)
Chemical Composition
| Steel Grade | 20# | 45# | 25Mn | 27SiMn | Q345B(ST52) | *Q345D(ST52) |
| C | 0.17-0.23 | 0.42-0.50 | 0.22-0.29 | 0.24-0.32 | 0.20 | 0.18 |
| Si | 0.17-0.37 | 0.17-0.37 | 0.17-0.37 | 1.10-1.40 | 0.55 | 0.55 |
| Mn | 0.35-0.65 | 0.50-0.80 | 0.70-1.00 | 1.10-1.40 | 1.00-1.60 | 1.00-1.60 |
| P | 0.035 | 0.025 | 0.03 | 0.035 | 0.04 | 0.03 |
| S | 0.035 | 0.02 | 0.03 | 0.035 | 0.04 | 0.03 |
| Cu | 0.25 | 0.20 | 0.20 | 0.30 | / | / |
| Ni | 0.30 | 0.25 | 0.25 | 0.30 | / | / |
| Cr | 0.25 | 0.25 | 0.25 | 0.30 | / | / |
| V | / | / | / | / | 0.02-0.15 | 0.02-0.15 |
| Nb | / | / | / | / | 0.015-0.06 | 0.015-0.06 |
| Ti | / | / | / | / | 0.02-0.20 | 0.02-0.20 |
| Al | / | / | / | / | / | 0.015 |
Mechanical property
| Supply Condition | Cold finished(Hard) - BK | Cold Drawn & Stress - relieved (BK+S) |
Hardness HB |
|||
| Steel Grade |
Tensile Strength Mpa |
Elongation(%)
|
Tensile Strength Mpa |
Yield Strength Mpa |
Elongation(%) | |
| 20# | ≧620 | ≧8 | ≧570 | ≧470 | ≧14 | 175 |
| 45# | ≧650 | ≧5 | ≧600 | ≧520 | ≧12 | 207 |
| ST52 | ≧640 | ≧5 | ≧600 | ≧520 | ≧15 | 190 |
| 25Mn | ≧640 | ≧5 | ≧600 | ≧510 | ≧15 | 195 |
| 27SiMn | ≧840 | ≧5 | ≧800 | ≧720 | ≧10 | 230 |
1. Specification
GB/T, DIN2391, EN10305-1
2. Delivery Condition
Stress Relieving Annealed a ( +SR, BKS)
As per the request, + N (NBK) or + C ( BK) is available.
3. Outer Diameter
< 40 mm +/-0.2mm
From 40 to 100 mm +/-0.3mm
>100mm +/-0.5mm
4. Wall Thickness
<100mm OD +/-5%
>100mm +/-7.5%
5. Straightness 0.5/1000mm
6. Inside Honed Dia ISO H8
7. Rourghness Ra 0.2~0.4um
8. Length 5.0-5.8m
9. Fix length tolerance
Length<500 +3mm
500< length <=2000 +5mm
2000<length <5000 +10mm
5000<length<7000 +20mm
10. Stencilling Mark
Mill Logo + Specification + Delivery Condition + Steel Grade + Size + Heat Number
11. Tube Ends
Tube ends shall cut square to the tube axis and be free from excessive burrs.
Both ends protected with Plastic caps.
As the result of stress relieved annealing after the final drawing, residual stresses are reduced, forming within defined limits is made possible, and dimensional changes during/after machining are minimized.
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