Customization: | Available |
---|---|
After-sales Service: | Support |
Warranty: | 1 Year |
Still deciding? Get samples of US$ 100/Piece
Request Sample
|
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
Why you choose us? | |||
1. more than 20 years experiences in steel business | |||
2. good quality | |||
3. competitive price | |||
4. meet your needs via reprocessing | |||
5. excellent service | |||
6. short delivery time | |||
7. long mutual beneficial business cooperation |
Honed tube for hydraulic cylinder |
||
Standard |
DIN2391, EN10305, JIS G3445, ASTM A519, GB/T 8713... |
|
Material |
ST45, ST52, E355, E355SR, STKM13C, SAE1026, 20#, Q235B, CK45... |
|
Heat treatment |
BK+S |
|
Specification |
Outer diameter(mm) |
Inner diameter(mm) |
50-300mm |
40-250 |
|
I.D Tolerance |
H8-H9 |
|
Length |
3-9m (Customers usually choose the 4~5.8m) |
|
Straightness |
1/1000 |
|
ID roughness |
RA 0.4micron(max) |
|
Technology |
Honed & SRB(SKIVED AND ROLLER BURNISHED ) |
|
Scope |
Honed tube for hydraulic cylinder, swivel crane, injection machine and construction machine application |
Chemical Component:
Steel Grade |
Chemical Composition (%) |
|||||
C |
Si |
Mn |
P |
S |
Cr |
|
≤ |
||||||
St45 |
0.17-0.24 |
0.17-0.37 |
0.35-0.65 |
0.035 |
0.035 |
0.250 |
ST52(E355) |
≤0.22 |
≤0.55 |
≤1.6 |
0.025 |
0.025 |
0.25 |
SAE1026 |
0.22-0.28 |
0.15-0.35 |
0.60-0.90 |
0.040 |
0.050 |
/ |
27SiMn |
0.24-0.32 |
1.10-1.40 |
1.10-1.40 |
0.035 |
0.035 |
0.300 |
20# |
0.17-0.24 |
0.17-0.37 |
0.35-0.65 |
0.035 |
0.035 |
0.250 |
Mechanical Properties
Delivery condition |
BKS Cold Drawn & Stress-Relieved |
||
Steel Grade |
Rm MPa |
ReH MPa |
Elongation A5(%) |
ST45 |
≥520 |
≥375 |
≥15 |
ST52(E355) |
≥600 |
≥520 |
≥14 |
SAE1026 |
≥600 |
≥510 |
≥15 |
16Mn |
≥600 |
≥520 |
≥14 |
20# |
≥520 |
≥375 |
≥15 |