What is LF stand for in ASTM A350 LF2? 1

[Shiann]

Hello,

Please tell me what is LF stand for.

My guess is Low-temp Forge.

For my understanding, LF is the grade for A350.

But my boss want to know what is LF stand for.

I have been searching and have no luck.

I felt so frustrated. Please help me.

Thank you so much.

Shiann

 

[salmon2]

Forging for low temperature application.