MRC:
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.MATL
Material:
Steel, federal standard 66, comp 301 or steel, federal standard 66, comp 303se or steel, federal standard 66, comp 304 or steel, federal standard 66, comp 304l or steel, federal standard 66, comp 305 or steel, federal standard 66, comp 308 or steel, federal standard 66, comp 309 or steel, federal standard 66, comp 309s or steel, federal standard 66, comp 310 or steel, federal standard 66, comp 310s or steel, federal standard 66, comp 314 or steel, federal standard 66, comp 316 or steel, federal standard 66, comp 316l or steel, federal standard 66, comp 317 or steel, federal standard 66, comp 321 or steel, federal standard 66, comp 347 or steel, federal standard 66, comp 348 or steel, federal standard 66, comp 384 or steel, federal standard 66, comp 385 or steel, federal standard 66, aisi 302/sae 30302 or steel, federal standard 66, aisi 303/sae 30303