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Help CenterHydraulic Cylinder Using Steel Pipes Annealed E355
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Product name: cold finished and stress relieved steel tube
Outer diameter: 30-300mm
Wall thickness: 2-30mm
Length: 11m(max)
ID tolerance: H7 H8 H9
Curvature: 0.3
Package: standard package with plastic bags or wooden cartons or as client's request
Delivery time: within 20-30 days after receiving downpayment or as client's request
Payment term: T/T or L/C or as client's request
Features: Superior surface finishing, Enhanced mechanical property, Tight tolerance
Other popular products
mainly products: seamless steel pipe, cold drawn/rolled steel pipe, stress relieved steel pipe, SRB or hones steel pipe, polishing steel pipe etc.
we can also provides steel tubes as customized.
Mechanical Property
Delivery Condition |
Cold drawn+stress-relieved(BK+S)(SR) |
Cold finished(hard)(BK) |
|||
Steel Grade |
Tensile strength (Rm Mpa)
|
Yield strength (ReH Mpa)
|
Elongation A5% |
Tensile strength (Rm Mpa)
|
Elogation A5%
|
20# |
≥520 |
≥375 |
≥15 |
≥550 |
≥8 |
45# |
≥600 |
≥520 |
≥10 |
≥640 |
≥5 |
16Mn(Q345B Q345D) |
≥600 |
≥520 |
≥14 |
≥640 |
≥5 |
25Mn |
≥600 |
≥510 |
≥15 |
≥640 |
≥5 |
27SiMn |
≥760 |
≥610 |
≥10 |
≥800 |
≥5 |
St45 |
≥520 |
≥375 |
≥15 |
≥550 |
≥5 |
E355(St52) |
≥600 |
≥520 |
≥14 |
≥640 |
≥5 |
SAE1026 |
≥600 |
≥510 |
≥15 |
≥640 |
≥5 |
Technique and Tolerance
Working Method |
Range |
Size of ID |
Tolerance |
|||||
ID tolerance |
WT(mm) |
Ovality |
Curvature |
|||||
H8 |
H9 |
H10 |
||||||
Cold Drawn |
25-250 |
>30-50 |
+0.0390 |
+0.0620 |
+0.1000 |
±5% to 7.5% ID>210mm ±10% |
≤0.10-0.20 |
0.3 |
Cold rolling |
25-150 |
>50-80 |
+0.0460 |
+0.0740 |
+0.1200 |
|||
Cold drawn-hone |
40-250 |
>80-120 |
+0.0540 |
+0.0870 |
+0.1400 |
|||
Cold drawn-SRB |
50-250 |
>120-180 |
+0.0630 |
+0.1000 |
+0.160 |
|||
Cold drawn-polish |
40-250 |
>180-250 |
+0.0720 |
+0.1150 |
+0.1850 |
|||
Cold drawn-polish-SRB |
50-250 |
Other size and technique parameter upon request |
||||||
Certificate
All our products are in high quality control abide by ISO9001 System.
Application
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 machiner...
More products details pls contact us!
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