Our ASTM A519 1045 Honed Seamless Steel Tube represents the pinnacle of precision engineering for hydraulic cylinder applications. Manufactured to meet rigorous international standards, these precision honed tubes deliver exceptional dimensional accuracy and superior surface finish. The seamless construction ensures maximum strength and reliability while the honed ID surface provides optimal sealing performance. As specialized suppliers of hydraulic cylinder tubes, we guarantee products that exceed industry expectations for durability and performance in demanding applications.
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Products Description
As leading hydraulic cylinder tube manufacturers, we produce premium ASTM A519 grade 1045 steel tubes that set the industry standard for quality and performance. Our honed seamless tubing undergoes rigorous quality control processes to ensure perfect dimensional stability and surface characteristics. The cold drawn seamless manufacturing process combined with precision honing creates tubes with exceptional mechanical properties and ready-to-install surface quality.
ASTM A519 Grade 1045 Properties
Chemical Properties
| Carbon | Silicon | Manganese | Phosphorous | Sulphur | Molybdenum | Nickel | Chromium | Copper | Others |
|---|---|---|---|---|---|---|---|---|---|
| 0.43-0.50 | – | 0.60-0.90 | 0.04 | 0.05 | – | – | – | – | – |
Mechanical Properties
| Yield Strength | Tensile Strength | Elongation A5 min | |||
|---|---|---|---|---|---|
| MPa min | ksi min | MPa min | MPa min | ksi min | Percentage |
| 517 | – | 75 | 15 | ||
Technical Specifications:
Standard: ASTM A519
Grade: 1045 Carbon Steel
Type: Seamless Honed Tubes
OD Range: 1/2" to 12"
Wall Thickness: 0.083" to 1.000"
Length: Up to 40 feet standard
Tolerance: H9/H10
Surface Roughness: Ra 0.2-0.4 μm (ID)
Applications
Hydraulic cylinders
Pneumatic cylinders
Industrial machinery
Construction equipment
Mining machinery
Agricultural equipment
Material handling systems
FAQ
Q1: What is the advantage of using ASTM A519 1045 steel for hydraulic cylinders?
A1: ASTM A519 1045 steel offers excellent strength, wear resistance, and machinability, making it ideal for high-stress hydraulic applications. Its seamless construction ensures uniformity and reliability under extreme pressure.
Q2: What does "honed" mean in the context of these tubes?
A2: Honing is a precision finishing process that creates a smooth, cross-hatched inner surface (ID) with tight tolerance (typically Ra 0.2-0.4 μm). This enhances seal performance, reduces friction, and extends cylinder life.
Q3: Are these tubes suitable for high-pressure applications?
A3: Yes. The combination of seamless construction, 1045 carbon steel material, and precision honing makes these tubes ideal for high-pressure hydraulic systems.
Q4: What tolerances do you guarantee for ID/OD dimensions?
A4: We guarantee H9/H10 tolerances for ID and standard OD tolerances as per ASTM A519. Custom tolerances can be accommodated upon request.
Q5: Can you provide custom sizes and lengths?
A5: Yes. We offer custom OD, wall thickness, and lengths (up to 40 feet standard). Share your requirements for a tailored solution.
Q6: Do you supply material certifications?
A6: Yes. All shipments include 3.1 material certification, verifying chemical composition, mechanical properties, and compliance with ASTM A519.
Q7: What is the lead time for orders?
A7: Standard items ship in 7-14 days. Custom orders may require 3-4 weeks depending on specifications and quantity.
Q8: How do you ensure quality during manufacturing?
A8: We implement 100% ultrasonic testing, dimensional checks, surface roughness verification, and visual inspections to ensure every tube meets industry standards.
Q9: What packaging options do you offer?
A9: We use plastic end caps, waterproof wrapping, steel strapping, and wooden crates (for export) to ensure damage-free delivery.
Q10: Can these tubes be used in pneumatic systems?
A10: Absolutely. Their precision honed ID and seamless construction make them suitable for both hydraulic and high-performance pneumatic applications.
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