High Precision Seamless Honed Tubes for Hydraulic Cylinder
Chemical compisition
| Material | C | Si | Mn | S(≤) | P(≤) | Cr | Ni | Mo | other |
| C20# | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | 0.035 | 0.035 | ≤0.25 | ≤0.30 | Cu≤0.25 | |
| CK5# | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | 0.035 | 0.035 | ≤0.25 | ≤0.30 | Cu≤0.25 | |
| Q345B | ≤0.20 | ≤0.55 | 1.00-1.60 | 0.04 | 0.04 | V:0.02-0.15 | Nb:0.015-0.06 | Ti:0.02-0.20 | Alt≥0.015 |
| ST52 | ≤0.20 | ≤0.55 | 1.00-1.60 | 0.045 | 0.045 | V:0.02-0.15 | Nb:0.015-0.06 | Ti:0.02-0.20 | 16Mn |
| E355 | |||||||||
| 16Mn | |||||||||
| 25Mn | 0.22-0.30 | 0.17-0.37 | 0.70-1.00 | 0.035 | 0.035 | ≤0.25 | ≤0.25 | ||
| 27SiMn | 0.24-0.32 | 1.10-1.40 | 1.10-1.40 | 0.03 | 0.03 | ||||
| 42SiMn | 0.39-0.45 | 1.10-1.40 | 1.10-1.40 | 0.03 | 0.03 | ||||
| 42CrMo | 0.38-0.45 | 0.17-0.37 | 0.50-0.80 | 0.025 | 0.025 | 0.90-1.20 | 0.15-0.25 |
Hydraulic&pneumatic liner actuator standard/size/precise
| Working method | Cylinder ID (mm) | Length | Straightness | Tolerance on ID | Tolerance on WT | Roughness |
| (m) | (mm/m) | (μm) | ||||
| Cold drawn | 40-320 | ≤12M | 0.2-0.5 | / | ±5% | 0.8-1.6 |
| Cold rolling | 30-100 | ≥12M | 0.2-0.5 | / | ±5% | 0.8-1.2 |
| Cold drawn-honed | 40-500 | 8M | 0.2-0.3 | H8-H9 | ±5% | 0.2-0.8 |
| Cold drawn-skived | 40-400 | 9M | 0.2-0.3 | H8-H9 | ±5% | ≤0.4 |
| Hole boring-honed | 320-400 | 8M | 0.2-0.3 | H7-H9 | ±8% | ≤0.8 |
| Hole boring-skived | 320-400 | 9M | 0.2-0.3 | H8-H9 | ±8% | ≤0.4 |
Mechanical property
| Final Supply Condition | cold finished | cold drawn and stress-relieved(BK+S) | Hardness HB | |||
| (hard) (BK) | ||||||
| Parameters | T.S | Elongation | T.S | Y.S | Elongation | |
| 20# | ≥550 | ≥8 | ≥520 | ≥470 | ≥12 | 175 |
| 45# | ≥650 | ≥5 | ≥600 | ≥520 | ≥12 | 207 |
| 16Mn | ≥640 | ≥5 | ≥600 | ≥520 | ≥15 | 190 |
| 25Mn | ≥640 | ≥5 | ≥600 | ≥510 | ≥15 | 195 |
| 27SiMn | ≥840 | ≥5 | ≥800 | ≥720 | ≥10 | 230 |
High precision seamless honed tubes for hydraulic cylinder
1) Plastic plug in both ends---- Packed in budles----protcted by plastic film----put into woven bags
2) Plastic plug in both ends---- Packed in budles----protcted by plastic film----put into woven bags----put into crate
3) According to your requirement
4) Export standard package, The inner size of container is below:
20ft GP: 5.8m(length) x 2.13m(width) x 2.18m(high) about 24-26CBM
40ft GP: 11.8m(length) x 2.13m(width) x 2.18m(high) about 54CBM
40ft HG: 11.8m(length) x 2.13m(width) x 2.72m(high) about 68CBM
*Over 20 Years in Steel Pipe Trading and Manufacturing
*Reasonable Price with Excellent Quality
*Several Large Prodcution Lines enabling very quick delivery
*Rich Supplying and Exporting Experience
*Superior Sales and After-Sales Service
Send Inquiry to This Supplier
You May Also Like
-
C25 C30 C40 K9 ISO2531 300mm DN600 Black Ductile Cast Iron Pipe for Drinkable WaterUS$ 14.90 - 22.90MOQ: 2 Pieces
-
Factory Supply 40X40X3 Shs Rhs Steel Hollow Section Steel ProfileUS$ 300 - 850MOQ: 5 Tons
-
Steel Pipe & Tube & High Pressure Boiler Tube,ASME SA210、SA213、ASTM A335 P、DIN17175、EN10216-2NegotiableMOQ: 5 Metric Tons
-
DIN 17175 St35.8 Seamless Heat Resistant Steel Tube Boiler CanadaNegotiableMOQ: 1 Metric Ton
-
Q195 Galvanized Double Corrugated Pipe for Highway and Tunnel ProjectsNegotiableMOQ: 1 Kilogram
-
Advanced Food Packing Machine With Touch Screen Control for User-Friendly OperationUS$ 76.5 - 80MOQ: 10 Combos
-
Gr.B Seamless and ERW Welded Carbon Steel Pipe SCH160 Thick Wall Heavy Duty Structural Steel Tube Black Painted Beveled End Wholesale PriceUS$ 450 - 500MOQ: 10 Tons
-
OEM Custom Size K9 Centrifugal Ductile Cast Iron Tube Push on Joint Heavy Duty Pipe for Potable Water Infrastructure ConstructionUS$ 500 - 600MOQ: 10 Metric Tons
-
Factory Price Hot-rolled Seamless Steel Pipe Astm A Carbon Steel PipeNegotiableMOQ: 5 Tons
-
T2 Red Copper Water Stop Belt 1.2mm/1.5mm/2.0mm Thick Corrosion Resistant Construction Waterstop PlateUS$ 10.1 - 12.1MOQ: 10 Meters



