ASTM A53 Hot-Dipped Carbon Steel Seamless Steel Tubes

Instruction

ASTM A53 Cold Drawn Black and Hot-Dipped Carbon Steel Seamless Steel Tubes For Air Conditioning Refrigeration

 

Material

The ASTM A53 specification covers seamless and welded black and hot-dipped galvanized steel pipes. These pipes are made from carbon steel, ensuring high strength and durability for various applications, including air conditioning and refrigeration systems.

 

Specification

The specification for ASTM A53 seamless steel tubes for air conditioning and refrigeration is as follows:

Specification	Value
Standard	ASTM A53
Type	Seamless
Material	Carbon Steel
Size Range	1/2" - 24"
Wall Thickness	SCH 40, SCH 80
Length	Random or Custom

 

Chemical Composition

The chemical composition of ASTM A53 seamless steel tubes is carefully controlled to ensure the desired properties and performance. The table below provides the typical chemical composition of these tubes:

Element	Composition Range (%)
Carbon (C)	0.25 max
Manganese (Mn)	0.95 max
Phosphorus (P)	0.05 max
Sulfur (S)	0.045 max

 

Mechanical Properties

The mechanical properties of ASTM A53 seamless steel tubes are crucial for determining their suitability for air conditioning and refrigeration applications. The following table presents the typical mechanical properties of these tubes:

Property	Minimum Value
Tensile Strength	415 MPa (60,000 psi)
Yield Strength	240 MPa (35,000 psi)
Elongation	30% min
Hardness	Not specified

 

Steel Grade
ASTM A53 seamless steel tubes are available in different grades depending on their intended use. The most commonly used grade for air conditioning and refrigeration applications is Grade A. Other grades such as Grade B are suitable for different applications.

 

Application
ASTM A53 seamless steel tubes are extensively used in air conditioning and refrigeration systems due to their excellent properties and reliability. These tubes provide a strong and durable solution for transporting refrigerants and maintaining optimal cooling efficiency.