"ASTM A519, GRADE 1020 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A519, GRADE 1026 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A513, GRADE 1026 ASSN STD SINGLE MATERIAL RESPONSE OVERALL"
SFTT
SURFACE TREATMENT
ZINC AND CHROMATE OVERALL
STDC
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
"ASTM B633, TYPE 11, FE/ZN 8 ASSN STD SINGLE TREATMENT RESPONSE OR ASTM B695, TYPE II, CLASS 8 ASSN STD SINGLE TREATMENT RESPONSE OR DIN 267, PART 9 A3D ASSN STD SINGLE TREATMENT RESPONSE OVERALL"