304 Stainless Steel Seamless Pipe

Standards: ASTM A312, ASME SA312, EN10216-5, GB/T14976, DIN17456, DIN17458, JIS G3459
Outer Diameter: 10.3mm ~ 508.0mm
Wall Thickness: 1.24mm ~ 28.6mm
Length: Customizable upon request
Packaging: Plastic-woven bundling for secure transportation.

If you're looking for high-quality stainless steel pipes with impressive corrosion resistance, welded or seamless 304Lis certainly worth considering. Also known as 1.4307, 304L is a low-carbon version of 304 stainless steel, offering enhanced weldability and resistance to sensitization. Here’s what makes 304L seamless pipes stand out and why they are a great choice for a variety of industrial applications:

Why Choose 304L?
304L is a popular choice for chemical processing, oil and gas exploration, and automotive parts manufacturing. One of its key benefits is its excellent resistance to corrosion and heat, making it ideal for use in demanding environments. Additionally, 304L is easier to form and weld than standard 304 and is less susceptible to sensitization, a type of corrosion that often occurs in the heat-affected zone of welded metals. This makes 304L a great choice for welded components exposed to high temperatures.

Advantages of 304L Seamless Pipe
304L seamless pipes are particularly valued for their ability to offer superior corrosion resistance over extended periods, even in harsh and corrosive environments. Unlike welded pipes, seamless pipes are made from a solid steel billet that is heated and extruded through a die to form a seamless cylindrical shape. With no welded joints, seamless pipes are less prone to corrosion and cracking at the seams, which can lead to leaks and other forms of damage.

When to Use 304L Seamless Pipe
If you're looking for stainless steel pipes that can withstand high temperatures, corrosive substances, and challenging conditions, 304L seamless pipes are an excellent choice. Whether you’re building a system to transport chemicals, manufacturing automotive components, or producing heat exchangers, seamless pipes made from 304L stainless steel are likely to meet and exceed your expectations. With their exceptional corrosion resistance and anti-sensitization properties, you can be confident that your investment will last for many years.

Conclusion
304L seamless pipes, also known as 1.4307, are an excellent option for many industrial applications requiring strength, durability, corrosion resistance, and heat tolerance. They are especially well-suited for welded components, as they are less prone to sensitization compared to standard 304 stainless steel. If you’re looking for a long-lasting, cost-effective solution for your industrial piping needs, 304L seamless pipes are certainly worth considering.


Routine Inspection:

Test Items

Test Type

Sampling Requirements

Alloy Chemical Composition Verification

Non-Destructive Test

Sampling by Heat Number Verification

Tensile Strength

Destructive Test

Sampling by Batch Number

Yield Strength

Destructive Test

Sampling by Batch Number

Elongation

Destructive Test

Sampling by Batch Number

Hardness

Rockwell Hardness HRC

Sampling by Batch Number

Eddy Current Testing

Non-Destructive Test

100%

Ultrasonic Testing

Non-Destructive Test

100%

Ultrasonic Testing

Non-Destructive Test

100%

Bending Test

Destructive Test

Sampling by Batch Number

Flattening Test

Destructive Test

Sampling by Batch Number

Flaring Test

Destructive Test

Sampling by Batch Number

Dimensional Inspection

Non-Destructive Test

100%

Metallographic Inspection

Destructive Test

Sampling by Batch Number

Visual Inspection

Non-Destructive Test

100%

Roughness Test

Non-Destructive Test

Sampling by Batch Number

Electron Microscope

Sampling

As Needed

Energy Dispersive Spectroscopy

Sampling

As Needed

Auger Analysis

Sampling

As Needed