1)Meaning: 7 strands each consisting of 19single wires. All wires in all strands have the same or similar dia. IWRC is independend wire rope core. FC is fiber core. 

2)Dia. Ranges: 12.0mm 

3)Spec. EN12385-4 (DIN 3060) 

4)Tensile Strength: 1570N/mm2 ~ 1770N/mm2 

5)Lay directon: R. H. O. L. Or L. H. O. L. 

6)Grade: AISI 316 , AISI 304

7)Packing: 500mtrs ~ 3, 000mtrs per reel 

8)Characteristics: Felixable, mostly used