L360
L360 is a pipeline steel mainly used for the transportation of pipelines such as oil and natural gas. It has good mechanical properties such as high strength and good plasticity. The production of L360 pipeline steel adopts microalloying heat treatment process, which is suitable for the production of large-diameter pipelines.
API 5L equivalent plate material L360 chemical composition:
| Grade | C | Mn | P | S | Ti |
| API 5L L360 PSL1 | 0.28 | 1.40 | 0.030 | 0.030 | 0.04 |
| API 5L L360N PSL2 | 0.24 | 1.40 | 0.025 | 0.015 | 0.04 |
API 5L equivalent plate material L360 mechanical properties:
| Grade | Yield Strength | Tensile Strength |
| Mpa (Psi) | Min Mpa (Psi) | |
| API 5L L360 PSL1 | Min 360 (52200) | Min 460 (66700) |
| API 5L L360N PSL2 | 360 (52200)- 530(76900) | 460 (66700)- 760(110200) |
ASTM A53 B
ASTM A53 B is a standard for seamless and welded steel pipes suitable for the transportation of gas, water and oil. This material is generally used for general low-pressure fluid transportation, including water, gas, steam, etc. The chemical composition and mechanical properties of ASTM A53 B are similar to those of API 5L X52, so it can be used as its equivalent material.
ASTM A53 B Chemical Requirements
| element | Type S (seamless) |
Type E | |
| (electric- resistance welded) |
|||
| Grade B | Grade B | ||
| Carbon max. % | 0.30* | 0.30* | |
| Manganese % | 1.2 | 1.2 | |
| Phosphorous, max. % | 0.05 | 0.05 | |
| Sulfur, max. % | 0.045 | 0.045 | |
| Copper, max.% | 0.40 | 0.40 | |
| Nickel, max. % | 0.40 | 0.40 | |
| Chromium, max. % | 0.40 | 0.40 | |
| Molybdenum, max. % | 0.15 | 0.15 | |
| Vanadium, max. % | 0.08 | 0.08 | |
ASTM A53 B Tensile Requirements
| Seamless and Electric-resistance-welded | |
| Grade B | |
| Tensile Strength, min., psi | 60,000 |
| Yield Strength, min., psi | 35,000 |
Application scenarios
Both materials are widely used in oxygen, water, and oil pipelines in the oil and gas industry, and can also be used in engineering infrastructure construction, road beautification, drainage pipelines, and high-voltage power towers.
ASTM A53 Grade B Pipes
