Table 89. Continued. 



Rope 



No. 



Alloy" 



Coating 



Diameter 

 (in.) 



Construction 



Stress 

 (lb) 



Exposure 

 (day) 



Depth 

 (ft) 



Breaking Load 



Remarks 



Original 

 (lb) 



Final 

 (lb) 



% Change 



13 



AIS1 Type 304 



stress relieved 



0.1875 



3 x 7 







189 



6,000 



- 



- 



" 



Dull grey; light rust stains; few pits on crowns of outside wires; 

 when cleaned, crevice, pitting, and tunnel corrosion. 



14 



Fe-Cr-Ni-Mo-Cu 



bare 



0.125 



3x7 







189 



6,000 



" 



" 



" 



Dull grey with mottled light yellow stains; when cleaned, 

 incipient crevice corrosion. 



15 



Fe-Cr-Ni-Mo-Si-N 



bare 



0.125 



1 X 7 







189 



6,000 



" 



" 



" 



No visible corrosion; metallic sheen still present. 



16 



Fe-Cr-Ni-V-N 



bare 



0.125 



1 x7 







189 



6,000 



- 



- 



" 



Failed by tunnel and crevice corrosion underneath silicone 

 potting compound; only end loops recovered. 



17 



Fe-Cr-Ni-Si 



bare 



0.125 



1 X 7 







189 



6,000 



- 



" 



" 



Grey, no visible corrosion; when cleaned, many areas of slight 

 crevice corrosion and shallow pitting. 



18 



Ni-Co-Cr-Mo 



bare 



0.0625 



1 X 7 







189 



6,000 



" 



- 



- 



No visible corrosion, original metallic sheen intact. 



19 



Ni-Mo-Cr C 



bare 



0.0625 



1 x 7 







189 



6,000 



- 



" 



" 



No visible corrosion; original metallic sheen intact. 



20 



Ni-Cr-Mo625 



bare 



0.250 



7x 19 







189 



6,000 



7,400 



" 



" 



No visible corrosion; original metallic sheen intact. 



, 20 



Ni-Cr-Mo 62 5 6 



bare 



0.250 



7x 19 







189 



6,000 



7.400 



" 



" 



No visible corrosion; original metallic sheen intact. 



21 



Ni-Cr-Mo 103 



bare 



0.250 



7x 19 







189 



6,000 



7.000 



" 



" 



No visible corrosion; original metallic sheen intact. 



21 



Ni-Cr-Mo \0i b 



bare 



0.250 



7x 19 







189 



6,000 



7,000 



" 



- 



No visible corrosion; original metallic sheen intact. 



22 



Co-Cr-Ni-Fe-Mo 



bare 



0.1875 



3x 19 







189 



6,000 



4.000 



- 



" 



Original blue film gone; no visible corrosion. 



22 



Co-Cr-Ni-Fe-Mo 



bare 



0.1875 



3x 19 



1,600 



189 



6.000 



4,000 



" 



- 



No wire failures; original blue film gone; no visible corrosion. 



22 



Co-Cr-Ni-Fe-Mo'' 



bare 



0.1875 



3x 19 







189 



6,000 



4,000 



" 



" 



Original blue film gone; no visible corrosion. 



22 



Co-Cr-Ni-Fe-Mo'' 



bare 



0.1875 



3x 19 



1,600 



189 



6.000 



4,000 



- 



- 



No wire failures; original blue film gone; no visible corrosion. 



23 



Aircraft cord 



Zn 0.40 oz/ft 2 



0.0938 



7x7 







403 



6,000 



1,100 



1,100 







Dark grey to black; tensile fracture. 



23 



Aircraft cord 



Zn 0.40 oz/ft 2 



0.0938 



7x7 







197 



2,500 



1,100 



l.ooo 



-9 



Outside: 100% rust; inside: grey; tensile fracture. 



24 



Aircraft cable 



Zn 0.40 oz/ft 2 



0.125 



7 x 19 







403 



6,000 



2,000 



1,000 



-50 



Dark grey to black; inside: grey; tensile fracture. 



24 



Aircraft cable 



Zn 0.40 oz/ft 2 



0.125 



7x 19 







197 



2,500 



2,000 



1,800 



-10 



Outside: 100% rust; inside; grey; tensile and torsion fractures. 



25 



Aircraft cable 



Zn 0.50 oz/ft 2 



0.1875 



7x 19 







403 



6,000 



3,500 



4,000 



+ 14 



Outside; dark grey to black; inside: grey; tensile and torsion 



25 



Aircraft cable 



Zn 0.50 oz/ft 2 



0.1875 



7x 19 







197 



2,500 



3.500 



3,700 



+6 



Outside: dark grey; inside: grey; tensile and torsion fractures. 



26 



Wire rope 



Zn 0.50 oz/ft 2 



0.1875 



1 x7 







403 



6,000 



2.600 



2,600 







Outside: 90% rust; inside: grey; tensile fracture. 



26 



Wire rope 



Zn 0.50 oz/ft 2 



0.1875 



1 X 7 







197 



2,500 



2,600 



2,500 



-4 



Outside: medium grey, few rust spots; inside: grey; tensile 



