ASTM A519 4140 Hollow Section Alloy Steel Tube Octagon Steel Tubing For Industry
ASTM A519 4140 Tubing Suppliers: Hollow Section Alloy Steel Octagon Steel Tubing For Industry
Material
The ASTM A519 4140 tubing is a unique type of hollow section alloy steel octagon tubing primarily used in various industrial applications.
Specification
This tubing adheres to the specifications outlined by the ASTM A519 standard, ensuring high-quality, durable performance in diverse settings.
Key Features
- Strength and durability
- Corrosion resistance
- Versatile applications
- Excellent machinability
Chemical Composition
| Element | Range (% by weight) |
|---|---|
| Carbon (C) | 0.38 - 0.43 |
| Manganese (Mn) | 0.75 - 1.00 |
| Silicon (Si) | 0.15 - 0.35 |
| Phosphorus (P) | 0.035 (max) |
| Sulfur (S) | 0.040 (max) |
| Chromium (Cr) | 0.80 - 1.10 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 655 MPa |
| Yield Strength | 415 MPa |
| Elongation (2 in.) | 25% |
| Hardness (HB) | 197 |
Steel Grade
The ASTM A519 4140 tubing falls under the grade 4140, showcasing exceptional properties that make it a preferred choice for many applications.
Application
- Automotive industry
- Machinery components
- Structural applications
- Oil and gas industry
Possible Alternative Grades
- ASTM A519 4130
- ASTM A519 4340
- ASTM A519 1026


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.
Q: Are you trading company or manufacturer ?
A: manufacturer,also can do trading.
Q: How long is your delivery time?
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.
Q: Do you provide samples? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
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.
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