ASTM A519 1045 Dom Tubing: Cold-Drawn Carbon Seamless Precision Steel Tube for Mechanical
Material and Specification
ASTM A519 1045 Dom Tubing is a type of cold-drawn carbon seamless precision steel tube specifically designed for mechanical applications. It is made from 1045 steel, which is a medium carbon steel known for its excellent mechanical properties and high strength. The tubing undergoes a cold-drawing process to achieve precise dimensions and a smooth surface finish.
The specifications for ASTM A519 1045 Dom Tubing are as follows:
- Standard: ASTM A519
- Grade: 1045
- Type: DOM (Drawn Over Mandrel)
- Size Range: OD (Outside Diameter) - 0.5 inches to 4 inches; WT (Wall Thickness) - 0.035 inches to 0.5 inches
- Length: Custom lengths up to 24 feet
Chemical Composition
The chemical composition of ASTM A519 1045 Dom Tubing is as follows:
| Element | Carbon (C) | Manganese (Mn) | Phosphorous (P) | Sulfur (S) | Silicon (Si) |
| Composition | 0.43-0.50% | 0.60-0.90% | 0.040% max | 0.050% max | 0.15-0.35% |
Mechanical Properties
The mechanical properties of ASTM A519 1045 Dom Tubing are as follows:
| Property | Value |
| Tensile Strength | 80,000 - 90,000 psi |
| Yield Strength | 70,000 - 80,000 psi |
| Elongation | 19-22% |
| Hardness | Rockwell C 15/45min |
Application
The ASTM A519 1045 Dom Tubing finds extensive use in various mechanical applications due to its excellent strength, durability, and consistent dimensional accuracy. Here are some common applications:
- Automotive Components: Used in the production of parts such as axles, shafts, bushings, and gears for automobiles, trucks, and motorcycles.
- Machinery Components: Ideal for manufacturing machinery parts like hydraulic cylinders, gears, crankshafts, and machine tool components.
- Oil and Gas Industry: Suited for oilfield equipment, downhole tubulars, and drilling components due to its high tensile strength and resistance to impact and wear.
- Agricultural Equipment: Used in the production of farm machinery parts, including hydraulic cylinders, linkages, and structural components.
- Construction Machinery: Applied in the construction sector
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