Metal Tubular Products Steel line pipe that is seamless or welded is covered by API 5L specification. It comprises threaded line pipe that is extra-strong and standard weight. In addition to bell and spigot and through-the-flow line (TFL) pipe, it also contains standard-weight and extra-strong threaded line pipe, regular-weight plain-end, special plain-end, extra-strong plain-end, and special plain-end pipe.
The specification of the American Petroleum Institute Steel line pipe covered by API 5L is both seamless and welded. This is steel pipe used in the petroleum and natural gas sectors for pipeline transportation systems. For moving gas, water, and oil, use API 5L. Only the capabilities of the manufacturer limit the size range. The International Organization for Standardization ISO 3183, which codifies pipeline transportation systems, is complied with by API 5L specifications.
within the materials, equipment and offshore structures for petroleum, petrochemical, and natural gas industries. The technical committee authoring the standards recognized that there are two basic Product Specifications Levels (PSL) of technical requirements and therefore developed PSL 1 and PSL 2. PSL 1 is a standard quality for line Pipe where PSL 2 contains additional chemical, mechanical properties, and testing requirements.
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Specification:
Sizes (Seamless): 1/2" NB - 60" NB
Sizes (ERW): 1/2" NB - 24" NB
Sizes (SAW/EFW) :16” NB – 120” NB
Sizes (SAW/LSAW): 16" NB - 100" NB
Wall Thickness Schedule 20 - Schedule XXS (heavier on request) up to 250 mm thk.
Chemical Composition of API 5L GR.B Carbon Steel Pipes
| Element | Composition Range (%, max) |
| Carbon (C) | 0.30 |
| Manganese (Mn) | 1.20 |
| Phosphorus (P) | 0.025 |
| Sulfur (S) | 0.015 |
| Silicon (Si) | 0.45 |
Mechanical Properties of API 5L GR.B Carbon Steel Pipes
| Mechanical Property | Minimum Yield Strength (MPa) | Minimum Tensile Strength (MPa) |
| Grade B | 245 | 415 |
Advantages of API 5L GR.B Carbon Steel Pipes:
- 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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- Customer focused approach
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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 |
We supply Pipes, Tubes & Fittings Worldwide.
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.