Alloys with low resistance to stress-corrosion cracking
The data given here is for information only.
This table is divided according to the type of alloy.
These types are : Steel alloys, Aluminium alloys, Copper alloys and Magnesium alloys
 
Table III - Steel Alloys

Alloy	Condition
Carbon steel(1000 series)   UTS Low alloy steel(4130,4340 etc)   UTS (E) D6AC, H-11      UTS 440C stainless steel    18 Ni Maraging steel, 200 grade    18 Ni Maraging steel, 250 grade    18 Ni Maraging steel, 300 grade 18 Ni Maraging steel, 350 grade AM 350 stainless steel  AM 355 stainless steel Custom 455 stainless steel  PH 15-7 Mo stainless steel  17-7 PH stainless steel  CH900 (E) Kovar	Above 140 kg/mm2 UTS Above 140 kg/mm2 UTS Above 148 kg/mm2 UTS All Aged at 900F Aged at 900F Aged at 900F Aged at 900F Below SCT 1000 Below SCT 1000 Below H1000 All except CH900 All except CH900 All

Table III - Aluminium Alloys

Alloy, Wrought (1,2)	Condition	Alloy	Condition
2011   2014 2017 2024 2024 Forgings  2024 Plate (E) 2618  7001 (E) 7020  7039  7075  7175  7079 7178   7475 (E) Al-Li 8090 (E) BS L93 (E) Russian Al-Li 1441 and 1460	T3, T4 All All T3, T4 T6, T62, T8 T62 T3, T4 T6 Weldments All T6 T6 T6 T6 T6 All T6 All	295.0 (195)    B295.0 (B195)   520.0 (220)   707.0 (607, tern-alloy 7)   D712.0 (D612, 40E)	T6 T6 T4 T6 As cast

1) Mechanical stress relieved (TX5X or TX5XX) should be specified where possible.>
2) Sheet, unmachined extrusion and unmachined plate are the least susceptible forms.>
(E) ESA classification - not in NASA MSFC-SPEC-522A.>

Table III - Copper Alloys

CDA no (1)	Condition (% cold rolled) (2)
260     353  443         672 687 762 766  770 782	50 50 40 50, annealed 10, 40 A, 25, 50 38 38, 50, annealed 50

1) Copper Development Association alloy number
2) Rating based on listed conditions only

Table III - Magnesium alloys

Alloy	Condition
Magnesium AZ61B Magnesium AZ80A WE54 ZCM711	All All All All