| Ferrous Alloys Analysis Chart | FORD MOTOR CO. | Apprentice School Metalurgy Dept. | ||||||
| Type of Steel | Carbon | Manganese | Chromium | Silicon | Phosphorus | Sulphur | Ends Painted | |
| A | .20 - .24 | .60 - .75 | .65 - .80 | VANADIUM .12 - .15 | .10 - .15 | .03 Max. | .04 Max. | * |
| AX | .18 - .22 | .65 - .75 | .80 - .95 | .10 - .20 | .03 Max. | .04 Max. | White & Black | |
| AA | .26 - .30 | .65 - .80 | .80 - 1.00 | .10 - .20 | .03 Max. | .04 Max. | Red & Black | |
| AAA | .30 - .35 | .65 - .80 | .90 - 1.10 | .10 - .20 | .03 Max. | .04 Max. | Red & White | |
| AAAH | .35 - .38 | .65 - .80 | .90 - 1.10 | .10 - .20 | .03 Max. | .04 Max. | Red, White & Blue | |
| AAAAL | .38 - .42 | .65 - .80 | .90 - 1.10 | .10 - .20 | .03 Max. | .04 Max. | Red, Green & Yellow | |
| AAAA | .42 - .47 | .70 - .90 | .85 - 1.10 | .10 - .20 | .03 Max. | .04 Max. | Red & Green | |
| AAAAA | .48 - .52 | .70 - .90 | .85 - 1.10 | .10 - .20 | .03 Max. | .04 Max. | Blue & White | |
| AA Select | .28 - .32 | .65 - .80 | .80 - 1.00 | .10 - .20 | .03 Max. | .04 Max. | T-498 All Elements | |
| AAA Select | .32 - .35 | .65 - .80 | .90 - 1.10 | .10 - .20 | .03 Max. | .04 Max. | T-12 Well Within Limits | |
| Armature Steel | .05 Max. | .30 Max | .12 - .28 | .03 Max. | .04 Max. | |||
| B | .95 - 1.05 | .20 - .30 | .40 - .50 | .20 - .30 | .03 Max. | .04 Max. | ||
| BB | .95 - 1.05 | .20 - .30 | .90 - 1.10 | .20 - .30 | .03 Max. | .04 Max. | ||
| BBB | .95 - 1.05 | .30 - .40 | 1.25 - 1.50 | .20 - .30 | .03 Max. | .04 Max. | Blue & Red | |
| Bessemer #1 | .09 - .13 | .70 - .90 | .09 - .13 | .08 - .15 | Aluminum | |||
| C Key Stock (SAE 1035) | .30 - .40 | .50 - .80 | .10 - .20 | .05 Max. | .05 Max. | |||
| C Pure Iron | .03 Max | .12 Max | COPPER OPTIONAL | .01 Max | .04 Max. | |||
| Chrome Non-Shrink | 1.45 - 1.60 | .25 - .35 | 11.0 - 12.0 | V .20 - .25 Mo .70 - .90 | .20 - .40 | .03 Max. | .04 Max. | |
| CC | .44 - .50 | .40 - .55 | .70 - .90 | TUNGSTEN 1.00 - 1.20 | .15 - .25 | |||
| D | .45 - .52 | .80 - .95 | 1.00 - 1.20 | .10 - .20 | .03 Max. | .04 Max. | Green With White Stripe | |
| DD | .48 - .52 | .80 - .95 | 1.00 - 1.20 | .10 - .20 | .03 Max. | .04 Max. | Green | |
| Die Block Ajax | .60 - .75 | .30 - .40 | 3.25 - 3.75 | .10 - .20 | .03 Max. | .04 Max. | ||
| Die Block Hammer | .47 - .55 | .50 - .60 | .60 - .75 | NICKEL 1.50 - 1.75 | .10 - .20 | .03 Max. | .04 Max. | |
| E | .27 - .35 | .70 - .90 | .07 - .15 | .04 Max | .05 Max. | Red | ||
| EE | .35 - .40 | .70 - .90 | .07 - .15 | .03 Max. | .05 Max. | Yellow | ||
| EEE | .40 - .45 | .70 - .90 | .07 - .15 | .03 Max. | .05 Max. | Red & Yellow | ||
| Electrical | .05 Max. | .30 Max | .90 - 1.20 | .03 Max. | .03 Max. | |||
| F | .08 - .15 | .80 - .99 | .10 - .20 | .04 Max | .08 - .15 | Aluminum & Black | ||
| FF | .15 - .20 | .80 - .99 | .10 - .20 | .04 Max | .10 - .15 | Aluminum & Green | ||
| FFF | .34 - .40 | .80 - .99 | .10 - .20 | .04 Max | .10 - .15 | Aluminum & Yellow | ||
| Ford High Speed (Taps and Drills) | .65 - .73 | .25 - .35 | 3.75 - 4.25 | V 1.00 - 1.25, W 17.0 - 18.0 | .20 - .30 | .03 Max. | .04 Max. | |
| Ford Hot Work | .18 - .23 | .40 - .60 | 1.40 - 1.60 | MOLYBDENUM .45 - .55 | .15 - .25 | .04 Max | .04 Max. | Red & Green With White Stripe |
| Ford Special High Speed | .78 - .84 | .25 - .35 | 4.00 - 4.50 | V 2.00 - 2.25, W 18.0 - 19.0 | .20 - .50 | .03 Max. | .04 Max. | (Mo. = .50 - .80) |
| G | .08 - .15 | .30 - .45 | .07 - .15 | .03 Max. | .05 Max. | Black | ||
| GG | .15 - .20 | .30 - .45 | .07 - .15 | .04 Max | .05 Max. | Black | ||
| H | .27 - .35 | .45 - .60 | .07 - .15 | .04 Max | .05 Max. | Blue | ||
| Key Stock (SAE 2330) | .25 - .35 | .50 - .80 | NICKEL 3.25 - 3.75 | .04 Max | .045 Max | |||
| L | .23 - .30 | .35 - .50 | .04 Max | .05 Max. | Green & Blue | |||
| Low Carbon, Open Hearth | .05 - .15 | .30 - .50 | .04 Max | .05 Max. | Black With Yellow Stripe | |||
| Machine | .08 - .20 | .35 - .50 | .10 - .20 | .04 Max | .05 Max. | Black | ||
| Magnet | .82 - .90 | .30 - .45 | 2.25 - 2.60 (High Limit Prefered) | .25 - .40 | .03 Max. | .04 Max. | Aluminum When C is .85 or over | |
| N | .12 - .16 | .35 - .45 | .30 Max | .10 - .20 | .03 Max. | .03 Max. | Green & Black | |
| R | .70 - .80 | .20 - .35 | .10 Max | NICKEL - NONE | .15 - .25 | .025 Max. | .03 Max. | |
| RR | .95 - 1.05 | .20 - .35 | .10 Max | NICKEL - NONE | .15 - .25 | .025 Max. | .03 Max. | Brown |
| RRR | 1.20 - 1.30 | .20 - .35 | .15 - .25 | .025 Max. | .03 Max. | |||
| Rustless 18-8 | .05 - .10 | .30 - .45 | 16.0 - 18.0 | NICKEL 7.0 - 9.0 | .15 - .30 | .04 Max | .05 Max. | |
| Rustless 18 | .05 - .10 | .30 - .45 | 16.0 - 18.0 | .50 Max. | .04 Max | .05 Max. | ||
| Rustless Type II | .20 - .30 | .25 - .40 | 12.0 - 14.0 | .70 - 1.00 | .04 Max | .05 Max. | ||
| S | .60 - .70 | .70 - .85 | .15 - .20 | .03 Max. | .04 Max. | |||
| SS | .70 - .85 | .70 - .85 | .10 - .20 | .03 Max. | .04 Max. | Blue & Yellow | ||
| Tap (Under 1" Diameter) | 1.20 - 1.30 | .25 - .40 | .35 - .45 | V .15 - .25, W 1.25 - 1.50 | .30 - .45 | .025 Max. | .025 Max. | |
| W | .35 - .45 | .25 - .40 | 1.85 - 2.50 | 3.60 - 4.20 | .03 Max. | .04 Max. | ||
| Welding Wire | .10 Max. | .20 Max. | .02 Max. | .03 Max. | ||||
| Insert Die Steel | .55 - .60 | .45 - .60 | .70 - .80 | Mo .75 - .80, Ni 2.25 - 2.45 | .03 Max. | .04 Max. | ||
| Vanadium Tool Steel | .95 - 1.05 | .20 - .35 | .10 Max | V .40 - .50, Ni None | .15 - .25 | .025 Max. | .03 Max. | |
| SAE #4620 | .18 - .22 | .30 - .60 | .25 Max. | Mo .20 - .30, Ni 1.65 - 2.00 | .15 - .30 | .04 Max | .05 Max. | Aluminum & Red |
| Deep Drawing Steel | .05 - .06 | .28 - .38 | .04 Max. | Copper .10 Max. | .03 Max. | .04 Max. | ||
| "FFH" | .20 - .25 | .80 - .99 | .10 - .20 | .04 Max | .10 - .15 | |||
| * White if on low side of analysis and white with green stripe if on high side. | 4/5/1938 | |||||||