What is API 5L X46 specification?
1. Basic parameters
Outer diameter range: 21.3mm to 762mm;
Wall thickness range: 2mm to 130mm;
Typical specification examples: 60.3 x 3.91mm, 73 x 5.16mm, 273 x 9mm.
2. Production and delivery
Production method: hot rolled, cold drawn, hot expanded;
Delivery condition: hot rolled or heat treated condition.
3. Chemical composition
Carbon (C): ≤ 0.28%;
Manganese (Mn): ≤1.40%;
Phosphorus (P): ≤0.030%;
Sulfur (S): ≤0.030%.
4. Length and standard
Length options: single/double indeterminate feet, conventional length 5m-14m;
Execution standard: API SPEC 5L 46th edition (PSL1 or PSL2 grade).
Summary
API 5L X46 specification covers core parameters such as OD, wall thickness, production method, chemical composition, etc. It is suitable for oil and gas transmission pipelines and industrial fields. It has a wide range of outside diameters (21.3mm-762mm) and flexible wall thicknesses (2mm-130mm), and supports customised production.
