Cold drawn stainless steel seamless pipes in the 300 series are a popular choice for various industrial applications due to their numerous benefits. These pipes are manufactured using a cold drawing process, which involves pulling the stainless steel through a die to achieve the desired shape and size. This process results in a seamless pipe with a smooth surface finish and precise dimensions, making it ideal for high-pressure and high-temperature applications.
One of the key benefits of using cold drawn stainless steel seamless pipes in the 300 series is their superior strength and Corrosion resistance. The 300 series stainless steel is known for its excellent resistance to corrosion, making it suitable for use in harsh environments where exposure to moisture, chemicals, and other corrosive elements is common. Additionally, the cold drawing process further enhances the strength of the stainless steel, making it capable of withstanding extreme pressure and temperature conditions without compromising its structural integrity.
Another advantage of cold drawn stainless steel seamless pipes in the 300 series is their uniformity and consistency in terms of Wall thickness and diameter. Unlike welded pipes, which may have variations in wall thickness due to the Welding process, seamless pipes are manufactured to precise specifications, ensuring a uniform thickness throughout the Length of the pipe. This uniformity is essential for applications that require tight tolerances and precise measurements, such as in the pharmaceutical, food processing, and semiconductor industries.
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In addition to their strength and consistency, cold drawn stainless steel seamless pipes in the 300 series offer excellent machinability and weldability. The smooth surface finish of these pipes allows for easy machining and welding, making them versatile and easy to work with for fabricators and manufacturers. Whether it’s cutting, bending, or welding, cold drawn stainless steel seamless pipes in the 300 series can be easily manipulated to meet the specific requirements of a wide range of applications.
API 5CT L80 Casing TubingGrade Color Codes
Grade
Grade Type
Number and Color of Bands for Product a with Length ³ 1.8 m
Color(s) for Couplings
Entire Coupling
Band(s) b, c
1
2
3
4
5
H40
—
None or black band at the manufacturer’s option
None
Same as for pipe
J55 Tubing
—
One bright green
Bright green
None
J55 Casing
—
One bright green
Bright green
One white
K55
—
Two bright green
Bright green
None
N80
1
One red
Red
None
N80
Q
One red, one bright green
Red
Green
R95
—
One brown
Brown
None
L80
1
One red, one brown
Red
One brown
L80
9Cr
One red, one brown, two yellow
None
Two yellow
L80
13Cr
One red, one brown, one yellow
None
One yellow
C90
1
One purple
Purple
None
T95
1
One silver
Silver
None
C110
—
One white, two brown
White
Two brown
P110
—
One white
White
None
Q125
1
One orange
Orange
None
a In the case of coupling Material, unless otherwise specified in the purchase agreement, the manufacturer’s internal requirements shall govern.
b Special clearance couplings shall also have a black band.
c Seal-ring couplings shall also have a blue band.
Chemical Composition
C
Mn
P≤
S≤
Si≤
0.06-0.18
0.27-0.63
0.035
0.035
0.25
Furthermore, cold drawn stainless steel seamless pipes in the 300 series are highly resistant to thermal expansion and contraction, making them suitable for use in applications that involve fluctuating temperatures. The thermal stability of these pipes ensures that they maintain their structural integrity and dimensional stability even under extreme temperature variations, making them a reliable choice for applications in the automotive, aerospace, and Oil and gas industries.
Overall, cold drawn stainless steel seamless pipes in the 300 series offer a combination of strength, corrosion resistance, uniformity, machinability, and thermal stability that make them an excellent choice for a wide range of industrial applications. Whether it’s for conveying fluids, gases, or chemicals, or for structural support and fabrication, these pipes provide the durability and reliability needed to withstand the demands of modern industry. With their superior performance and versatility, cold drawn stainless steel seamless pipes in the 300 series are a cost-effective and long-lasting solution for various industrial needs.
Overall, cold drawn stainless steel seamless pipes in the 300 series offer a combination of strength, corrosion resistance, uniformity, machinability, and thermal stability that make them an excellent choice for a wide range of industrial applications. Whether it’s for conveying fluids, gases, or chemicals, or for structural support and fabrication, these pipes provide the durability and reliability needed to withstand the demands of modern industry. With their superior performance and versatility, cold drawn stainless steel seamless pipes in the 300 series are a cost-effective and long-lasting solution for various industrial needs.
