EN10216-2 16Mo3 pipe is designated with steel number 1.5415. EN10216-2 16Mo3 pipe is pressure vessel grade chrome molybdenum alloy steel pipe, and mainly utilized at elevated temperatures in oil refinery piping, steam pipeline, and power plant projects, etc.
EN10216-2 16Mo3 pipe ASTM equivalent is ASTM A335 Grade P1, also known as ASME SA335 Grade P1. The ASTM A335 Grade P1 pipe contains a bit higher molybdenum by mass and is also used in high temperature services.
EN10216-2 16Mo3 pipe chemical composition:
Element Content by Mass, %, Carbon (C) 0.12~0.20, Silicon (Si) ≤0.35, Manganese (Mn) 0.40~0.90, Phosphorus (P) ≤0.025, Sulfur (S) ≤0.020, Chromium (Cr) ≤0.30, Molybdenum (Mo) 0.25~0.35, Nickel (Ni) ≤0.30, Aluminium (Al) ≤0.040, Copper (Cu) ≤0.30
EN10216-2 16Mo3 steel pipe yield strength and tensile strength:
| Yield Strength for Wall Thickness T, Min. | Tensile Strength | ||
| T ≤ 16 | 16 < T ≤ 40 | 40 < T ≤ 60 | - |
| 280 Mpa | 270 Mpa | 260 Mpa | 450-600 Mpa |
EN10216-2 16Mo3 pipe heat treatment conditions:
EN10216-2 16Mo3 pipe shall be normalized at a temperature between 890°C and 950°C and then be cooled in ambient temperature.
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