SAE J524 Low Carbon Cold Formed Seamless Steel Tube Hollow For Automotive
SAE J524 A is a specification for seamless, low carbon steel tubes used for automotive applications. These tubes are cold drawn and are used in a variety of applications, including hydraulic lines, fuel lines, and oil lines. The tubes are also used in applications where a high degree of precision is required.
Material
The material used in the manufacturing of SAE J524 A tubes is low carbon steel. This type of steel is commonly used in the automotive industry due to its strength and durability. Low carbon steel is also easy to work with, making it an ideal choice for cold forming.
Specification
The SAE J524 A specification covers seamless, low carbon steel tubes with an inside diameter of 3/16 inch to 3-1/2 inch. The tubes are manufactured using a cold drawn process, which ensures a high degree of precision and consistency in the dimensions of the tube.
Chemical Composition
The chemical composition of the SAE J524 A steel tube is as follows:
| Element | Composition (% by weight) |
|---|---|
| Carbon | 0.18 max |
| Manganese | 0.30 to 0.60 |
| Phosphorus | 0.040 max |
| Sulfur | 0.050 max |
Mechanical Properties
The mechanical properties of the SAE J524 A steel tube are as follows:
| Property | Value |
|---|---|
| Tensile Strength | 45,000 psi (min) |
| Yield Strength | 25,000 psi (min) |
| Elongation | 35% (min) |
| Hardness | HRB 60 (max) |
Steel Grade
The steel grade used in the SAE J524 A specification is 1010.
Application
SAE J524 A tubes are commonly used in automotive applications, including hydraulic lines, fuel lines, and oil lines. These tubes are also used in applications where a high degree of precision is required, such as in the manufacturing of precision instruments and equipment.
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