The ASTM A534 Grade 5120H seamless steel tube is a type of carburizing steel tube specifically designed for anti-friction bearings. It is manufactured according to the ASTM A534 standard, which outlines the requirements for carburizing steels. This grade of steel tube is known for its excellent wear resistance and high strength, making it suitable for applications where friction and load-bearing capabilities are crucial.
The key features of ASTM A534 Grade 5120H seamless steel tube include:
Carburizing Properties: This steel tube is specifically designed for carburizing, a heat treatment process that increases the surface hardness of the material. Carburizing enhances the wear resistance and durability of the tube, making it ideal for anti-friction bearings.
High Strength: The Grade 5120H steel tube offers high tensile strength, allowing it to withstand heavy loads and stresses without deformation or failure. This strength is essential for applications where the tube is subjected to significant mechanical forces.
Excellent Wear Resistance: The carburized surface of the tube provides exceptional wear resistance, reducing friction and extending the lifespan of the bearings. This feature is crucial in anti-friction applications, where minimizing wear is essential for optimal performance.
Seamless Construction: The seamless manufacturing process ensures a uniform and consistent tube structure, eliminating the risk of weak points or potential failure areas. This seamless construction enhances the overall strength and reliability of the tube.
The chemical composition of ASTM A534 Grade 5120H seamless steel tube is as follows:
Element | Composition (%) |
---|---|
Carbon (C) | 0.17 - 0.22 |
Manganese (Mn) | 0.70 - 0.90 |
Phosphorus (P) | 0.040 max |
Sulfur (S) | 0.040 max |
Silicon (Si) | 0.15 - 0.35 |
Chromium (Cr) | 0.70 - 0.90 |
The mechanical properties of ASTM A534 Grade 5120H seamless steel tube are as follows:
Property | Value |
---|---|
Tensile Strength | 850 - 1000 MPa |
Yield Strength | 650 - 800 MPa |
Elongation | 12% min |
Hardness (HB) | 207 - 235 |
The steel grade ASTM A534 Grade 5120H refers to a low-alloy carburizing steel with excellent hardenability and wear resistance. It is commonly used in the production of anti-friction bearings due to its specific properties and performance under carburizing conditions.
The ASTM A534 Grade 5120H seamless steel tube finds its primary application in the manufacturing of anti-friction bearings. These bearings are widely used in various industries, including automotive, aerospace, machinery, and industrial equipment. The carburizing properties of this steel tube make it an ideal choice for applications where high wear resistance and durability are required.
While ASTM A534 Grade 5120H is a popular choice for anti-friction bearings, there are alternative grades that can be considered based on specific requirements. Some possible alternative grades include:
ASTM A534 Grade 8620H: This grade offers similar carburizing properties and wear resistance but with higher nickel content, providing improved toughness and impact resistance.
ASTM A534 Grade 9310H: This grade is known for its exceptional hardenability and high fatigue strength, making it suitable for applications with heavy loads and high stress.
ASTM A534 Grade 4320H: This grade offers good hardenability and wear resistance, making it a cost-effective alternative for applications where extreme performance is not required
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A: manufacturer,also can do trading.
A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
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