16Mo3 Steel

Steel for is used for boilers and pressure vessels with elevated temperatures according to –2 (2003). It is equivalent to 15Mo3 (DIN 17155 – Germany), 15D3 (NFA 36–205 – France), BS1501–243b (BS1501 – UK) and ASTM 204 Gr.B.

16Mo3 steel tube

16Mo3 steel tube

Mechanical Properties for 16Mo3 steel:

 Grade/test 16Mo3
Tensile Strength (MPa) 440 – 590
Yield Strength (MPa) 220 – 275
Elongation in 100 – 150mm (%) 19
Elongation in 16mm (%) 24
Max Thickness (mm) 250

Chemical Properties for 16Mo3 steel:

Elements Composition (%)
Carbon (C) (Max) 0.12 – 0.2
Manganese (Mn) 0.4 – 0.9
Silicon (Si) 0.35
Phosphorous (P) 0.025
Sulphur (S) 0.01
Chromium (Cr) 0.3
Molybdenum 0.25 – 0.35
Nickel (Ni) 0.3
Copper (Cu) 0.3
Nitrogen (N) 0.0120

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