[China Aluminum Industry Network] P——represent plate (plate) PC - clad plate and clad sheet, such as A2024PC BE——ordinary grade extrunded bar BES - special grade drawn bar (special grade drawn bar) BD—ordinary grade drawn bar BDS - special grade drawn bar (special grade drawn bar) W - ordinary grade drawn wire (ordinary grade drawn wire) WS - special grade drawn wire (special grade drawn wire) TE——ordinary grade extruded tube TES - special grade extruded tube TD——ordinary grade drawn tube TDS - special grade drawn tube TW——ordinary grade welded tube TWS - special grade drawn tube FD - die forging FH - Hand forging PB - plate bus SB - extruded common shape bus (shape bus) BY - wire WY - rod, non-melting electrode, inert gas protection welding.