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Mild steel tubes are widely used in various industries due to their excellent mechanical properties, durability, and affordability. Three popular mild steel tube grades are AISI 1020, 4130, and 4140. In this article, we will discuss the material, specification, chemical composition, mechanical properties, steel grade, and application of these three grades.
AISI 1020 is a low-carbon steel that contains 0.18% carbon and 0.23% manganese. It is known for its excellent machinability and weldability.
The ASTM A519 specification covers several grades of carbon and alloy steel mechanical tubing, including AISI 1020. The standard specification for seamless carbon and alloy steel mechanical tubing is ASTM A519/A519M.
| Element | Composition (%) |
|---|---|
| Carbon | 0.18 |
| Manganese | 0.23 |
| Phosphorus | 0.04 max |
| Sulfur | 0.05 max |
| Property | Value |
|---|---|
| Tensile strength | 420 MPa |
| Yield strength | 350 MPa |
| Elongation | 15% |
AISI 1020 is a low-carbon steel grade that is widely used in the manufacturing of various mechanical components, such as gears, axles, and shafts.
AISI 1020 mild steel tubes are commonly used in applications that require high precision and excellent machinability, such as automotive parts, hydraulic cylinders, and machine tools.
AISI 4130 is a low-alloy steel that contains chromium and molybdenum. It has excellent strength and toughness, making it an ideal material for high-stress applications.
The ASTM A519 specification covers several grades of carbon and alloy steel mechanical tubing, including AISI 4130. The standard specification for seamless carbon and alloy steel mechanical tubing is ASTM A519/A519M.
| Element | Composition (%) |
|---|---|
| Carbon | 0.28-0.33 |
| Chromium | 0.8-1.1 |
| Manganese | 0.4-0.6 |
| Molybdenum | 0.15-0.25 |
| Property | Value |
|---|---|
| Tensile strength | 560 MPa |
| Yield strength | 460 MPa |
| Elongation | 20% |
AISI 4130 is a low-alloy steel grade that is commonly used in the manufacturing of aircraft components, such as landing gear and engine parts.
AISI 4130 mild steel tubes are widely used in the aerospace industry, as well as in the manufacturing of high-stress components, such as shafts, gears, and cylinders.
Haiyan Sanxin Steel Pipe Factory is a leading manufacturer of steel pipes in China. Located in a region with excellent geographical advantages, the factory is situated close to the Zhoushan Port and Ningbo Port.
Our factory covers an area of more than 25,000 square meters and has been in the steel pipe manufacturing business for 20 years. Over this period, we have accumulated a wealth of professional experience, which has helped us establish ourselves as a trusted name in the industry.
At our factory, we specialize in the production of various types of steel pipes, including stainless steel pipe, carbon steel pipe, copper pipe, steel pipe,seamless steel pipe and welded pipe. Our expertise in this field is evident from the 12 patents that we hold, which demonstrate our commitment to innovation and excellence.
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.
A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact with me.
