We not only uphold high quality in the manufacture of Welding Rotator, St52 Cold Drawn Pipe, Hydraulic Cylinder Steel Tube, but also give every customer considerate and perfect after-sales service. Honesty is our life, and your needs are the foundation of our business! We have now a specialist, efficiency staff to provide good quality company for our consumer. Accurate quality, strict delivery and perfect service are our promise. Give us a opportunity to show you our professionalism and enthusiasm.
Big Cylinder Honed Tubes Honing Pipe introduction
Honed Tubes are presicion tubes with smooth inside , they also could be skived and burnished pipe. Tubes or pipes inside tolerance could be H10, H9 or H8. Outside tolerance, wall thickness tolerance are produced according to seamless cold drawn tubes for precision application standard GB/T3639-2009 , EN10305 or DIN2391 standard.WUXI HENGTONG PETROLIC MACHINERY manufactures Hydraulic Cylinder Honed Pipe, ready to hone tubes, honed tubes, skived and roller burnished tubes, chrome bar, piston rods and high-precision cold-drawn steel tubes.
Big Cylinder Honed Tubes Honing Pipes detail
Application: producing of hydraulic/ pneumatic cylinders, pumps, motor shells, transmission shafts and transmission roller steel pipes.
Original: Jiangsu, China
Certification: ISO9001.
Material: SAE1020, 20#, ST45, CK45, ST52, E355
Payment term: TT, LC
Delivery date: usually 20 to 40 days.
Packing: packed in bundle, oiled inside, with caps on both ends.
Market: Middle East/ Africa/Asia/South America/Europe/North America
MOQ: Depends on exact size and material.
Large diameter honing tube pneumatic cylinder tube For pipes / tubes:
1. Material we have :
DIN2391 standard ST52, St45, EN10305 standard E355,E255, ASTM A106B grade, 16Mn, C20/20#, CK45
2. Chemical composition:
Material | C | Si | Mn | S(≤) | P(≤) | Cr | Ni | Mo | other |
A106B/ C20# | 0.17—0.23 | 0.17—0.37 | 0.35—0.65 | 0.035 | 0.035 | ≤0.25 | ≤0.30 | Cu≤0.25 | |
CK45# | 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 | 0.040 | 0.040 | V:0.02-0.15 | Nb:0.015-0.06 | Ti:0.02-0.20 | Alt≥0.015 |
ST52 E355 16Mn | ≤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 |
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 | 0.030 | 0.030 | ||||
42SiMn | 0.39—0.45 | 1.10—1.40 | 1.10—1.40 | 0.030 | 0.030 | ||||
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 |
3. Tube Accuracy :
Working method | Cylinder ID (mm) | Length (m) | Straightness (mm/m) | Tolerance on ID | Tolerance on WT | Roughness (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% | 0.2-0.4 |
Cold drawn-skived | 40-400 | 9M | 0.2-0.3 | H8-H9 | ±5% | ≤0.2 |
Hole boring-honed | 320-400 | 8M | 0.2-0.3 | H7-H9 | ±8% | ≤0.4 |
Hole boring-skived | 320-400 | 9M | 0.2-0.3 | H8-H9 | ±8% | ≤0.2 |
Our services
Pre-sale services:
1. Providing professional technical support.
2. Send the product catalog and instruction manual.
3. If you have any question PLS contact us online or send us email, we promise we will give you a reply at the first time!
4. Personal call or visit are warmly welcome.
Sale of services:
1. We promise honest and fair, it's our pleasure to serve you as your purchasing consultant.
2. We guarantee punctuality, quality and quantities strictly implement the terms of contract...
After-sales service:
1. Where to buy our products for one year warranty and life long maintenance.
2. 24-hour telephone service.
3. A large stock of components and parts, easily-worn parts.
To be able to ideal satisfy client's requirements, all of our operations are strictly performed in line with our motto 'High High-quality, Competitive Price tag, Fast Service' for Semi-Finished Hydraulic Cylinder Tubing with Honing and Welding. We will use professional casting quality, integrity to drive win-win and share the prosperity of the Internet era with you. We always adhere to the business philosophy of 'integrity, efficiency, innovation, and win-win', and hope to establish long-term safe, honest and effective cooperative relations with buyers all over the world.
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