Table 89. Continued. 



Rope 



No. 



Alloy" 



Coating 



Diameter 

 (in.) 



Construction 



Stress 

 on Rope 



(lb) 



(day) 



Depth 



(ft) 





ireaking Loa 



1 



Remarks 



(lb) 



Final 

 (lb) 



% Change 



27 



Wire rope 



Zn 0.85 oz/ft 2 



0.250 



1 X 7 







403 



6.000 



5,900 



4,600 



-22 



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



27 



Wire rope 



Zn 0.85 oz/ft 2 



0.250 



1 x 7 







197 



2.500 



5.900 



5,300 



-10 



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



28 



Aircraft cable 



Zn 0.60 oz/ft 2 



0.250 



7x 19 







403 



6,000 



6,100 



5,900 



-2 



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



28 



Aircraft cable 



Zn 0.60 oz/ft 2 



0.250 



7x 19 







197 



2.500 



6.100 



6,200 



+2 



Outside: dark grey to black; inside: grey; tensile fracture. 



29 



Aircraft cord 



bare, Type 304 



0.0938 



7x7 







403 



6,000 



800 



100 



-88 



Internal strands corroded, tunnel, crevice, and pitting; many 

 wires parted by corrosion. 



29 



Aircraft cord 



bare, Type 304 



0.0938 



7x7 







197 



2,500 



800 



800 







Outside: few rust spots; inside: bright; tensile fracture. 



30 



Aircraft cable 



bare, Type 304 



0.125 



7x 19 







403 



6,000 



1,600 



200 



-88 



Outside: few rust stains; inside: broken wires, crevice and 

 pitting corrosion. 



30 



Aircraft cable 



bare, Type 304 



0.125 



7x 19 







197 



2,500 



1,600 



1,800 



+ 13 



Outside: original metallic lustre; inside: bright; tensile fracture. 



31 



Aircraft cable 



bare. Type 304 



0.1875 



7x 19 







403 



6,000 



2,700 



100 



-96 



Outside: many rust stains and broken wires, pitting, tunnel and 

 crevice corrosion; inside; many broken wires, pitting, tunnel, 



31 



Aircraft cable 



bare, Type 304 



0.1875 



7x 19 







197 



2,500 



2,700 



2,800 



♦ 4 



Outside: few rust spots; inside: bright; tensile fracture. 



32 



Aircraft cable 



bare, Type 304 



0.250 



7x 19 







403 



6,000 



5,100 



5,000 



-2 



Outside; few yellow stains; inside: bright; tensile fracture. 



32 



Aircraft cable 



bare, Type 304 



0.250 



7x 19 







197 



2.500 



5,100 



5,100 







Outside: original metallic sheen; inside: bright; tensile and 



33 



Aircraft cable 



bare, Type 304 



0.3125 



7x 19 







403 



6,000 



7,100 



7.700 



+8 



Outside: few rust stains, inside: bright; tensile and torsion 

 fractures. 



33 



Aircraft cable 



bare, Type 304 



0.3125 



7x 19 







197 



2.500 



7,100 



7,000 



-1 



Outside: original metallic lustre; inside, bright; tensile fracture. 



34 



Aircraft cable 



bare, Type 304 



0.375 



7x 19 







403 



6,000 



11,900 



11,700 



-2 



Outside: few rust stains; inside: bright; tensile and torsion 



34 



Aircraft cable 



bare. Type 304 



0.375 



7 x 19 







197 



2,500 



11.900 



11,600 



-3 



Outside; few rust stains; inside: bright; tensile fractute. 



35 



Plow steel 



lubricated 



0.325 



1 x 19 



2,100 



751 



6,000 



10,700 



10,700 







No stress failure; outside: 100% rust; inside: bright; tensile 



35 



Plow steel 



lubniued 



0.325 



1 x 19 



2.100 



1.064 



6,000 



10,700 



11,500 



+7 



No stress failure; outside: 100% rust; inside: bright; tensile 

 fracture. 



36 



Improved plow steel 



lubricate** 



0.326 



1 x 19 



2,900 



751 



6.000 



14,300 



14,900 



+4 



No stress failure; outside: 100% rust; inside: bright; tensile 



