304L Stainless Steel Pipe is a lower carbon variant of Grade 304-the steel can be welded without the resulting issue of carbon precipitation (precipitation of chromium carbide as heat is applied during the welding process which depletes the chromium element of the steel thus reducing its anti-corrosive/oxidation effectiveness).
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304L stainless steel pipes are a popular and versatile type of stainless steel piping used in various industries. These pipes belong to the 304 stainless steel family and are low-carbon variants, which offer enhanced corrosion resistance in mildly corrosive environments. The "L" in 304L stands for "low carbon," indicating that the carbon content is kept at a lower level than standard 304 stainless steel, minimizing the risk of sensitization and subsequent corrosion. This makes 304L pipes well-suited for applications involving exposure to mildly aggressive chemicals or environments. These pipes exhibit excellent formability and weldability, making them suitable for a wide range of fabrication processes. They are commonly used in industries such as food processing, pharmaceuticals, petrochemicals, and architecture, where corrosion resistance, aesthetic appeal, and ease of maintenance are crucial. Whether in seamless or welded form, 304L stainless steel pipes offer a combination of corrosion resistance, durability, and cost-effectiveness, making them a preferred choice for many applications.
As a result, Type 304L stainless steel is a sort after material for use in severely corrosive conditions. Weld annealing is only necessary in applications where stress loads are excessive.
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Specification:
Sizes (Seamless): 1/2” NB - 2” NB
Sizes (ERW): 1/2” NB - 2” NB
Wall Thickness available: Schedule 01 mm - 16 mm (heavier on request)
Chemical Properties of 304L Stainless Pipes and Tubes
| Element | Carbon (C) | Silicon (Si) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) | Chromium (Cr) | Nickel (Ni) |
| Composition (%) | ≤0.030 | ≤0.75 | ≤2.00 | ≤0.045 | ≤0.030 | 18.0-20.0 | 8.0-12.0 |
Mechanical Properties of 304L Stainless Steel Pipes and Tubes
| Property | Tensile Strength | Yield Strength | Elongation | Hardness (Brinell) |
| Value | ≥485 MPa | ≥170 MPa | ≥35% | ≤187 HB |
Advantages of 304L Stainless Steel Pipes and Tubes
- Good general corrosion resistance and high strength
- Good sulfide stress corrosion resistance
- Resistance to chloride pitting and crevice corrosion
- Higher resistance to chloride stress corrosion cracking
- Easy to weld and conform
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Applications Industry
| Pharmaceutical Equipment | Chemical Equipment |
| Sea Water Equipment | Heat Exchangers |
| Heat Exchangers | Gas Processing |
| Condensers | Specialty Chemicals |
| Pulp and Paper Industry | Pharmaceuticals |
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Exporting Steel Pipes & Tubes to over 60 countries including Afghanistan, Albania, Andorra, Angloa, Austria, Australia, Bahrain, Bangladesh, Bhutan, Brazil, Brunei, Belarus, Belgium, Bulgaria, Cambodia, China, Cyprus, Croatia, Czech Republic, Canada, Denmark, Estonia, Egypt, Finland, France, Germany, Greece, Georgia, Hungary, Iceland, Ireland, Italy, Indonesia, Iran, Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Lebanon, Latvia, Latin America, Liechtenstein, Lithuania, Luxembourg, Malta, Madagascar, Mexico, Moldova, Monaco, Malaysia, Maldives, Mongolia, Myanmar (Burma), Nepal, New Zealand, North Korea, Netherlands, Norway, Nigeria, Oman, Poland, Portugal, Pakistan, Palestine, Philippines, Qatar, Russia, Romania, Russia, San Marino, Serbia and Montenegro, Slovakia, Slovenia, Spain, Sweden, Switzerland, Saudi Arabia, Singapore, South Korea, South Africa, Sri Lanka, Sudan, Syria, Taiwan, Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United Kingdom, United Arab Emirates (UAE), Uzbekistan, Venezuela, Vietnam, Yemen, etc.