ASTM A530 Alloy Steel Pipe for Auto Refrigeration Hydraulic
Carbon Steel Pipe: Cold Draw Carbon Alloy Welded Steel Pipe ASTM A530 For Auto Refrigeration
Material and Specification
The carbon steel pipe used for auto refrigeration applications is a cold-drawn carbon alloy welded steel pipe that complies with the ASTM A530 standard. The ASTM A530 specification outlines the requirements for seamless and welded carbon steel pipes for general purposes.
Chemical Composition
The chemical composition of the carbon steel pipe is essential to determine its mechanical properties and suitability for auto refrigeration applications. The following table presents the typical chemical composition of the carbon steel pipe:
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.20 - 0.30 |
| Manganese (Mn) | 0.30 - 0.90 |
| Silicon (Si) | 0.10 - 0.35 |
| Phosphorus (P) | 0.040 (max) |
| Sulfur (S) | 0.050 (max) |
Mechanical Properties
The mechanical properties of the carbon steel pipe are crucial for assessing its strength, ductility, and overall performance in auto refrigeration systems. The table below presents the typical mechanical properties of the carbon steel pipe:
| Property | Value |
|---|---|
| Tensile Strength | 415 MPa (min) |
| Yield Strength | 240 MPa (min) |
| Elongation | 30% (min) |
| Hardness (HB) | 197 (max) |
| Impact Toughness | 27 J (min) |
Steel Grade
The carbon steel pipe specified by ASTM A530 for auto refrigeration applications is typically available in various steel grades, including:
- ASTM A530 Grade A
- ASTM A530 Grade B
- ASTM A530 Grade C
The choice of steel grade depends on specific requirements such as strength, corrosion resistance, and temperature tolerance.
Application
The cold-drawn carbon alloy welded steel pipe specified by ASTM A530 finds wide application in auto refrigeration systems. It is commonly used for the following purposes:
- Refrigerant circulation: The carbon steel pipe facilitates the movement of refrigerants within the system, ensuring efficient cooling and temperature regulation.
- Heat exchange: The pipe allows for heat transfer between the refrigerant and the surrounding environment, aiding in the refrigeration process.
- Structural support: The carbon steel pipe provides structural integrity to auto refrigeration systems, ensuring stability and durability.


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.
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