Sales Hotline:
+8613047455128
Sales Hotline:
+8613047455128
Product Description
The main features are:
1. It is mainly used to produce pneumatic or hydraulic components
2. For outer cylinder of oil cylinder
3. The honing process is adopted to meet the requirements of the inner hole of the cylinder tube
4. High precision and high finish, the finish can reach ra0.2-0.4um
Product Specification
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Honed tube Parameters
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Product name
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hydraulic cylinder tube /honed tube /seamless honed steel tube
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Standard
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GB/T3639-2000 DIN2391 EN10305 ASTM A519
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Metarial
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C20 CK45 Q355B Q355D E355/ST52 SAE1026 4130 4140 STKM 13C
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Heat treatment
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BK+S
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Size
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I.D:30mm-400mm
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O.D:40mm-480mm
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Length
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Fixed length ,Random length or as requests of customers
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Straightness
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0.5-1/1000
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ID roughness
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RA 0.1-0.8micron(max)
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Payment term
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FOB, CFR, CIF ,EXW, FCA and so on
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Technology
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Honed & SRB(SKIVED AND ROLLER BURNISHED）
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Application
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Honed tube for hydraulic cylinder,swivel crane,injection machine and construction machine application
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Conservation
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anti rust oiled inside and outside surface, plastic caps in both ends
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Package
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bundle with steel strip and knitting strip, or wooden case
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Get a free quote or free sample
Product Display
Chemical Component:
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Steel Grade |
Chemical Composition (%) |
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C |
Si |
Mn |
P |
S |
Cr |
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≤ |
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St45 |
0.17-0.24 |
0.17-0.37 |
0.35-0.65 |
0.035 |
0.035 |
0.250 |
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ST52(E355) |
≤0.22 |
≤0.55 |
≤1.6 |
0.025 |
0.025 |
0.25 |
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SAE1026 |
0.22-0.28 |
0.15-0.35 |
0.60-0.90 |
0.040 |
0.050 |
/ |
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27SiMn |
0.24-0.32 |
1.10-1.40 |
1.10-1.40 |
0.035 |
0.035 |
0.300 |
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20# |
0.17-0.24 |
0.17-0.37 |
0.35-0.65 |
0.035 |
0.035 |
0.250 |
Mechanical Properties
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Delivery condition |
BKS Cold Drawn & Stress-Relieved |
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Steel Grade |
Rm MPa |
ReH MPa |
Elongation A5(%) |
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ST45 |
≥520 |
≥375 |
≥15 |
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ST52(E355) |
≥600 |
≥520 |
≥14 |
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SAE1026 |
≥600 |
≥510 |
≥15 |
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16Mn |
≥600 |
≥520 |
≥14 |
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20# |
≥520 |
≥375 |
≥15 |
Production Process
Packaging & Shipping
