ASTM A519 Grade 1026 Seamless Mechanical Tubing | High-Performance Steel Tubes
Explore Huagang Industrial's ASTM A519 Grade 1026 seamless mechanical tubing. Ideal for hydraulic lines, boiler tubes, and structural parts. Check chemical composition, mechanical properties & get a quote!
Product Info
ASTM A519 Seamless Mechanical Tubing: Precision and Performance for Demanding Applications
ASTM A519 Grade 1026 covers seamless carbon steel mechanical tubing, widely used in various industrial applications due to its balanced mechanical properties, good formability, and reliable performance. This grade is specified under standard ASTM A519/A519M for seamless carbon and alloy steel mechanical tubing . At Huagang Industrial, we specialize in manufacturing high-quality cold drawn seamless steel tubes that meet stringent international standards, including ASTM A519 Gr.1026. Our tubes are produced with precision to ensure excellent dimensional accuracy, surface finish, and consistency, making them ideal for demanding mechanical and structural applications.
Key Features of ASTM A519 Grade 1026
Good Weldability and Machinability: Facilitates easy fabrication and assembly.
High Dimensional Accuracy: Suitable for precision mechanical parts.
Availability in Multiple Conditions: Includes hot-finished (HF), cold-worked (CW), annealed (A), normalized (N), quenched and tempered (QT).
Excellent Strength and Toughness: Balanced properties for medium to high-stress applications.
Available Sizes and Dimensions
We offer ASTM A519 Grade 1026 seamless tubing in a wide range of sizes to meet diverse application needs:
Outside Diameter (OD): 6 mm to 323.8 mm (up to 12 ¾ inches).
Wall Thickness: Light to heavy walls, with thicknesses tailored to application requirements.
Length: Standard random lengths or custom-cut lengths as specified.
Shape: Primarily round tubes; special sections available upon request.
Tolerances for hot-finished round tubing are strictly controlled per ASTM A519 specifications. For example, tubes up to 76.17 mm OD have an outside diameter tolerance of ±0.51 mm.
Applications of A519 1026 Seamless Carbon Steel Tubing
The versatility of ASTM A519 Grade 1026 makes it suitable for various sectors, including:
🛠️ Mechanical Engineering: Hydraulic and pneumatic cylinders, precision shafts, and machine structural components.
🚗 Automotive Manufacturing: Parts for transmission systems, chassis components, and engine mounts.
🔥 Boiler and Heat Exchanger Tubes: Suitable for low and medium-pressure boiler tubes and heat exchangers.
🏗️ Structural Components: Used in construction and agricultural machinery for durable, load-bearing parts.
Heat Treatment Options for 1026 Steel Tubing
The performance of ASTM A519 Grade 1026 can be optimised through various heat treatment processes :
Annealing (A): Improducts machinability and relieves internal stresses.
Normalising (N): Refines grain structure for more uniform mechanical properties.
Quenching and Tempering (QT): Significantly increases strength and toughness.
Stress Relieving (SR): Reduces residual stresses from cold working.
Why Choose Huagang Industrial as Your A519 1026 Tubing Supplier?
🏭 Extensive Experience: Nearly 20 years of expertise in precision cold drawn seamless steel tube manufacturing.
🔬 Advanced Production and Testing: Integrated R&D, production, and strict quality control with complete testing facilities.
🤝 Trusted by Industry Leaders: Our products are supplied to globally recognized brands in the automotive and machinery sectors.
🌐 Global Logistics: Efficient shipping and delivery worldwide.
Packaging, Marking & Delivery
Packaging: Bundled (hexagonal), Wooden Boxes, Crates (steel/wooden), or as per customer requirements to prevent damage in ordinary handling and transportation.
Marking: Clearly marked with Standard, Steel Grade, Size, Heat No., and Lot No. for full traceability.
Port of Shipment: Shanghai, China
Payment Terms: T/T (Telegraphic Transfer), L/C (Letter of Credit)
Product Properties
Chemical Composition of ASTM A519 1026 Steel Tube
The chemical composition of SAE 1026 / ASTM A519 Grade 1026 ensures optimal performance in terms of strength, hardness, and processability. The typical composition (in weight percentage) is as follows :
Element | Content (%) |
Carbon (C) | 0.22 - 0.28 |
Manganese (Mn) | 0.60 - 0.90 |
Phosphorus (P) | ≤ 0.040 |
Sulfur (S) | ≤ 0.050 |
Silicon (Si)* | 0.17 - 0.37 |
Residuals (Cr, Ni, Cu) | ≤ 0.25 each |
Note: Silicon content may vary depending on the product form and processing method.
Mechanical Properties of ASTM A519 1026 Mechanical Tube
ASTM A519 Grade 1026 tubing exhibits a robust combination of strength, ductility, and hardness, making it suitable for load-bearing components and structural parts.
Property | Typical Value |
Tensile Strength | ≥ 450 MPa (≥ 65,200 psi) |
Yield Strength | ≥ 275 MPa (≥ 40,000 psi) |
Elongation at Break (δ5) | ≥ 23% |
Hardness (Brinell) | ≤ 170 HB (in annealed/normalized condition) |
Impact Toughness | ≥ 71 J |
These properties can be further enhanced through heat treatment processes like normalizing, quenching, and tempering.
Technological Advantages & Quality Control
Technological Advantages
With nearly two decades of expertise, Huagang is recognised as a top precision seamless steel tube manufacturer. We integrate R&D, production, quality management, logistics, and global customer service, enabling customers to secure stable supply and consistent product performance.
Our long-term partnerships with global brands demonstrate our capability to meet rigorous quality expectations.
Adopting cold drawn precision seamless technology to ensure high dimensional accuracy, smooth surface, and uniform wall thickness of steel tubes.
After heat treatment and surface treatment, the mechanical properties and corrosion resistance of the steel tube are further improved.
Adopting cold drawn precision seamless technology to ensure high dimensional accuracy, smooth surface, and uniform wall thickness of steel tubes. | After heat treatment and surface treatment, the mechanical properties and corrosion resistance of the steel tube are further improved. |
Delivery Status:
Designation | Symbol | Description |
Cold drawn / hard | +C (BK) | After the last cold forming no heat treatment. |
Cold drawn / soft | +LC (BKW) | After the last heat treatment, follows the cold drawing there is a light finishing pass. |
Cold drawn and stress relieved annealed | +SR (BKS) | After the final cold drawing process, the tubes are stress-relieved and annealed in a controlled atmosphere. |
Annealed | +A (GBK) | After the last cold drawing process, the tubes are annealed in a controlled atmosphere. |
Normalized | +N (NBK) | After the last cold drawing process, the tubes are normalized in a controlled atmosphere. |
Quality Control
Check Each One Individually Hydraulic test: Each steel tube undergoes a hydraulic test to ensure good sealing and pressure bearing capacity in high-pressure environments. Non destructive testing: Using ultrasonic, eddy current, or magnetic flux leakage testing techniques to detect internal defects in steel tubes and ensure product quality. | Testing Standards Compliant with international standards such as GB/T 8163, GB/T 3087, GB/T 5310, DIN, JIS, EN, ASTM, etc. Each batch of products comes with detailed quality inspection reports and certificates of conformity. | Certification Guarantee Obtained ISO/TS16949:2009 quality system certification and obtained the national special equipment pressure pipeline component manufacturing license. |
