ST52 ST45 ST35 ST37 COLD DRAWM HONED PRECISION STEEL HYDRAULIC CYLINDER SRB TUBE
Product Overview
Product name:hydraulic cylinder tube /honed tube /seamless honed steel tube
Standard:GB/T3639-2000 DIN2391 EN10305 ASTM A519
Material:C20 CK45 Q355B Q355D E355/ST52 SAE1026 4130 4140 STKM 13C
Heat treatment:BK+S
Size:I.D:30mm-400mm
O.D:40mm-480mm
Length:Fixed length ,Random length or as requests of customers
Payment term:FOB, CFR, CIF ,EXW, FCA and so on
Technology:Honed & SRB(SKIVED AND ROLLER BURNISHED）
Application:Honed tube for hydraulic cylinder,swivel crane,injection machine and construction machine application
Conservation:anti rust oiled inside and outside surface, plastic caps in both ends
Package:bundle with steel strip and knitting strip, or wooden case
Honed tubes are widely used in hydraulic cylinders, cylinders, hydraulic machinery, engineering machinery, petroleum machinery, agricultural machinery, filling machinery, mining machinery and other fields. 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
Specification
Key attributes
| Section Shape | Round |
| Surface Treatment | oil |
| Tolerance | ±0.3%--±0.5% |
| Oiled or Non-oiled | Slightly Oiled |
| Invoicing | by actual weight |
| Alloy Or Not | Alloy Or Not |
| Standard | ASTM |
| Grade | Q355B Q355D C20 St52 E355 SAE10266 |
| Delivery Time | 31-45 days |
| Application | Fluid Pipe, Boiler Pipe, Drill Pipe, Hydraulic Pipe |
| Special Pipe | no |
| Thickness | 5mm--225mm |
| Length | 12M, 6m, 6.4M |
| Certificate | API, ce, JIS, GS, ISO9001 |
| Processing Service | Welding, Punching, Cutting, Bending, Decoiling |
| Keyword | seamless Steel Pipe |
| Length | Fixed Length, Random Length(3--9m)or as requests of customer |
| Heat treatment | BK+S BK |
| Processing form | Processing form |
| Straightness | 0.5-1.0/1000 |
| Material | Q355B Q355D C20,ST52,E355 SAE1026.CK45 4130 4140 |
| Delivery Time | 1-45 days |
| Package | woven bags |
Production process
Packing&Loading
Packaging Details：Anti-rust oil at inside tube, caps and both ends of tube, woven bag packing
FAQ
1.Q: How many days of your delivery?
A: The general delivery is 30~50 days according to your quantity.
2.Q: What's your main market?
A: We mainly export to the Middle East, South-Eastern Asia And South America,Asia, etc.
3.Q: Are you a factory?
A: Yeah, we are. We have our own factory and our own company.
4.Q: Can I get some samples?
A: Yes, we can provide you sample, but you need to pay for the sample and freight firstly.We will return the sample fee after you make an order.
5.Q: How do you guarantee the quality of the products?
A: Each product from our factory has strict testing procedures, and must be 100% quality before delivery. Believing, Respecting, Doing the best.
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