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Help CenterSt52 Telescopic Hydraulic Cylinder Steel Tube for Automobile
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Article |
st52 telescopic hydraulic cylinder steel tube for automobile |
Surface |
according to the customer’s acquirement |
Length |
1m - 6m or as your requirement |
W.T. |
2-30mm |
O.D. |
30-250mm |
Application |
Vehicles, engineering machinery hydraulic chassis, air piping system, etc |
Packing |
We usually bundle with steel strips ,branding parcel ,wooden box |
Terms conditions |
CIF,CFR,FOB |
Payment |
should be 30% in advance by T/T and the balance upon B/L copy or L/C. |
Delivery Time |
25 days after received the deposit by T/T |
Note |
we can produce other standard as the customers' requirement |
ABOUT THE TOLERANCE
|
Size of I.D |
I.D Tolerance |
Tolerance of wall thickness |
||
H8 |
H9 |
H10 |
±7.5% >210mm ±10% |
|
30 |
+0.0330 |
+0.0520 |
+0.0840 |
|
>30-50 |
+0.0390 |
+0.0620 |
+0.1000 |
|
>50-80 |
+0.0460 |
+0.0740 |
+0.1200 |
|
>80-120 |
+0.0540 |
+0.0870 |
+0.1400 |
|
>120-180 |
+0.0630 |
+0.1000 |
+0.1600 |
|
>180-250 |
+0.0720 |
+0.1150 |
+0.1850 |
|
>250-315 |
+0.0810 |
+0.1300 |
+0.2100 |
|
Mechanical Property of Material:
Delivery |
cold finished(hard)(BK) |
Cold drawn and stress-relieved(BK+S) |
|||
Steel grade |
Rm MPa |
Elongation |
Rm MPa |
ReH MPa |
Elonggation |
St45 |
≥550 |
≥5 |
≥520 |
≥375 |
≥15 |
20# |
≥550 |
≥8 |
≥520 |
≥375 |
≥15 |
St52 (E355) |
≥640 |
≥5 |
≥600 |
≥520 |
≥14 |
SAE1026 |
≥640 |
≥5 |
≥600 |
≥510 |
≥15 |
STKM 13C |
≥550 |
≥8 |
≥520 |
≥375 |
≥15 |
Q345B |
≥640 |
≥5 |
≥600 |
≥520 |
≥14 |
CK45 |
≥640 |
≥5 |
≥600 |
≥520 |
≥10 |
CHEMICAL COMPOSITION OF MATERIAL
Steel grade |
Chemical composition,% |
|
|||||
C |
Si |
Mn |
P |
S |
Cr |
||
≤ |
|
||||||
St45 (20#) |
0.17-0.24 |
0.17-0.37 |
0.35-0.65 |
0.035 |
0.035 |
0.25 |
|
ST52(E355) |
≤0.22 |
≤0.55 |
≤1.6 |
0.025 |
0.025 |
0.25 |
|
SAE1026 |
0.22-0.28 |
0.15-0.35 |
0.6-0.9 |
0.04 |
0.05 |
/ |
|
STKM 13C |
≤0.25 |
≤0.35 |
0.3-0.9 |
0.04 |
0.04 |
/ |
|
Q345B |
≤0.2 |
≤0.5 |
1.0-1.6 |
0.03 |
0.03 |
0.30 |
|
CK45 |
0.42-0.50 |
0.17-0.37 |
0.5-0.8 |
0.035 |
0.035 |
0.25 |
|
packaging details: standard packing with plastic caps and starpped bundles,standard wheight approx 1500Kg
delivery details: 15 days after receiving downpayment or L/C or as your request
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.
we are the top 5 manufacture of precision seamless steel tube in China ,and we have passed ISO 90012008 verified certification ,our company mainly produces various specification cold finished steel tube which are widely used in hydraulic cylinder ,automobile ,oil drilling ,textil machinery ,engineering and so on ,if you are interested in our products welome to our company to visting and negotiate business .
Application |
Cold drawn or cold rolled precision seamless steel tubes for hydraulic pressure and pneumatic services. |
|
For Auto use,machinery use,oil cylinder tube, motorcycle shock reducer use,auto shock reducer inner cylinder,gas spring use etc. | |
|
Seamless steel pipes for low and medium pressure boiler, high pressure boiler, ship-building,Liquid service, petroleum cracking, chemical fertilizer equipment,Drawing-oil-equipment and structure purposes. |
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