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The ASTM A519 4140 Seamless Precision Steel Tube is a high-quality chrome moly alloy steel tube that is widely used in various industries. It is designated under the ASTM A519 specification, which covers seamless carbon and alloy steel mechanical tubing. The material composition and mechanical properties of this tube make it suitable for demanding applications where strength, durability, and corrosion resistance are essential.
The A519 4140 Steel Tube is made from chromium-molybdenum alloy steel, also known as chrome moly steel. This alloy steel contains significant amounts of chromium and molybdenum, which enhance its strength and toughness. The tube is produced using a seamless manufacturing process, ensuring excellent dimensional accuracy and a smooth internal surface.
The chemical composition of the ASTM A519 4140 Seamless Precision Steel Tube is as follows (values are approximate percentages):
| Element | Composition |
|---|---|
| Carbon (C) | 0.38-0.43 |
| Manganese (Mn) | 0.75-1.00 |
| Phosphorus (P) | 0.035 max |
| Sulfur (S) | 0.040 max |
| Silicon (Si) | 0.15-0.35 |
| Chromium (Cr) | 0.80-1.10 |
| Molybdenum (Mo) | 0.15-0.25 |
The mechanical properties of the ASTM A519 4140 Seamless Precision Steel Tube are provided in the table below:
| Property | Value |
|---|---|
| Tensile Strength | 850 MPa Min |
| Yield Strength | 640 MPa Min |
| Elongation | 25% Min |
| Hardness | 22 HRC Max (Annealed condition) |
The A519 4140 Steel Tube falls under the steel grade designation ASTM A519 Grade 4140. This grade signifies the specific composition and mechanical properties of the tube, as outlined by the ASTM standards.
The A519 4140 Steel Tube finds its application in various industries, including:
While the ASTM A519 4140 Seamless Precision Steel Tube is renowned for its excellent properties, there might be alternative grades suitable for specific applications. Some of the possible alternative grades include:
These alternative grades offer similar characteristics to the A519 4140, and their application suitability depends on specific requirements and industry standards.
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.
