Main Products: Steel Pipe , , ,
size ID 30-300mm DIn standard cold rolled seamless St52, E355, A106B, CK45 steel tube
USD $900 - $1,100 /Ton
Min.Order:5 Tons
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Business Type: OtherMain Products: Steel Pipe , , ,Product Details
size ID 30-300mm DIn standard cold rolled seamless St52, E355, A106B, CK45 steel tube
1.Grade:20#(ck20,aisi1020),45#(ck45,aisi1045),st52(16Mn,Q345D),25Mn(STKM13CSt52 Hydraulic Cylinder using Cold drawn Seamless pipe-T),27SiMn
2.ID:30-250mm
3.ID tolerance:H8,H9
4.Surface roughness:Ra 0.02— 0.4μm
5. Final supply condition:cold drawn and stress-relieved(BK+S)
6. Machining allowance:0.5-1.5mm
7.Wall thickness:10%×ID
1.Hydraulic cylinder tube
The hydraulic cylinder tube is the main part of the hydraulic cylinder.The inner
hole of the hydraulic cylinder tube usually precision processed by boring,reaming,rolling
or honing.By these process can ensure the piston,sealing elements and the support
elements move smoothly,then ensure the sealing effect and reduce the abrasion.The
hydraulic cylinder tube will bear big pressure,so need high strength and stiffness.
2.Hydraulic Tube Material
JIS STKM13C, DIN ST52, SAE1020 or Mechanical Construction Use Carbon Steel Pipes, Other Specifications Can be made Customer Request based on.
Hydraulic pneumatic liner actuator standard/size/precise
| Processing the form | Cylinder diameter | Length | Straightness | Dimensional accuracy | Wall thickness | Inner hole roughness |
| cold drawn | 48~325 | ≤12m | 0.3~0.8mm/m | ±10% | 0.8~1.6µm | |
| honing | 48~325 | ≤10m | 0.3~0.8mm/m | H8~H9 | ±10% | 0.3~0.8µm |
| roling | 50~250 | ≤ 9m | 0.3~0.8mm/m | H7~H9 | ±10% | 0.01µm |
Mechanics performance
Material | Tensile strength | Yield strength | Elongation | Hardness |
Ck20/20#/AISI1020 | >520 N/ mm2 | >375 N/mm2 | >15% | >85HB |
Ck45/45#/AISI1045 | >600 N/ mm2 | >520 N/ mm2 | >15% | >85HB |
ST52/16Mn/Q345D | >600 N/ mm2 | >520 N/ mm2 | >15% | >85HB |
25Mn/STKM 13C-T | >600 N/ mm2 | >530 N/ mm2 | >15% | >85HB |
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 |
Material range of YANTAI XINPENG
Steel Grade | ||
DIN | 1629 | ST 37 / 44 / 52 |
| 1630 | ST 37.4 / 44.4 / 52.4 |
| 2391-2 | ST 35 / 45 / 52 |
EN | 17204 | C22 – Ck 22 – Cm22 – |
| 17210 | C15 – Ck 15 – Cm 15 – 16MnCr5 |
| 10305-1 | E215/235/355/255 |
GB | 3639 | 10#, 20#, 16Mn, 45# |
ASTM | A 519 | 1010 |
| A179-A450 | A450 |
| A822-A450 | A450 |
BS | BS 6323 | CFS3 CFS4 CFS5 CFS6 CFS7 |
NFA | 49310 | TU 37 b |
Our Company
We are professional supplier of steel tubes, cold drawn steel tube, cold rolled steel tube,
cold drawn honed steel tube, cold drawn rolled honed tube, honed tube, SRB tube, hydraulic
cylinder pipe and so on.
O
Our Workshop
Our Company is equipped with JLB250T hydraulic cold drawn machine set,LD120 precision cold rolled machine set, multiple precision straightening machine,box heat treat furnaces(8000-10000mm), advanced CNC skived and roller burnished machine SRB-6000mm, several powerful honed machine, combined cold drawn, cold rolling, heat treatment, and SRB process to produce the best quality products.
Product Process
Our Products
Honing tube and rolling tube inside and outside wall oxide layer, to withstand high pressure without leakage, high-precision, high-quality finish, cold deformation, flaring, flattening without cracks a bit, so mainly used to produce pneumatic or hydraulic components products, such as cylinder or cylinders, which can be seamless. Chemical composition of two kinds of materials are C, Si, Mn , S, P, Cr. Relatively speaking rolling tube better than honing tube good.
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.
Package
As per to customers' request Good Packing is siutable for long distance ocean shipment
Our Service
TEL:+86-535-6835398
our testing
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