Suffix for ASME Materials

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Normally you would have noticed suffix like 'H', 'L', 'Se' etc. with ASME materials. Some of the most common ones are listed below:
H - for high temperature operation, having higher carbon content
L - Extra low carbon content, facilitates during welding, to control sensitization in SS materials
S - Low carbon content than normal
N - Nitrogen added for strength
LN - Extra low carbon with Nitrogen added
Ti, Cb - Ti or Cb added
LMo - Extra low carbon with Molybdenum added