AISI-SAE Designation Number |
Type and Description |
|
10xx |
Plain Carbon (Mn. 1.00% max.) |
11xx |
Resulfurized |
12xx |
Resulfurized and rephosphorized |
15xx |
Plain Carbon (max. Mn. range 1.00-1.65%) |
Manganese steel |
13xx |
Mn 1.75 |
|
23xx |
Ni 3.50 |
25xx |
Ni 5.00 |
Nickel-chromium steel |
31xx |
Ni 1.25; Cr 0.65, 0.80 |
32xx |
Ni 1.75; Cr 1.07 |
33xx |
Ni 3.50; Cr 1.50, 1.57 |
34xx |
Ni 3.00; Cr 0.77 |
Molybdenum steel |
40xx |
Mo 0.20, 0.25 |
44xx |
Mo 0.40, 0.52 |
Chromium-molybdenum steel |
41xx |
Cr 0.50, 0.80, 0.95; Mo 0.12, 0.20, 0.25, 0.30 |
Nickel-chromium-molybdenum steel |
43xx |
Ni 1.82; Cr 0.50, 0.80; Mo 0.25 |
43BVxx |
Ni 1.82; Cr 0.50; Mo 0.12, 0.25; V 0.03 min. |
47xx |
Ni 1.05; Cr 0.45; Mo 0.20, 0.35 |
81xx |
Ni 0.30; Cr 0.40; Mo 0.12 |
86xx |
Ni 0.55; Cr 0.50; Mo 0.20 |
87xx |
Ni 0.55; Cr 0.50; Mo 0.25 |
88xx |
Ni 0.55; Cr 0.50; Mo 0.35 |
93xx |
Ni 3.25; Cr 1.20; Mo 0.12 |
94xx |
Ni 0.45; Cr 0.40; Mo 0.12 |
97xx |
Ni 1.00; Cr 0.20; Mo 0.20 |
98xx |
Ni 1.00; Cr 0.80; Mo 0.25 |
Nickel-molybdenum steel |
46xx |
Ni 0.85, 1.82; Mo 0.20, 0.25 |
48xx |
Ni 3.50; Mo 0.25 |
|
50xx |
Cr 0.27, 0.40, 0.50, 0.65 |
51xx |
Cr 0.80, 0.87, 0.92, 0.95, 1.00, 1.05 |
50xxx |
Cr 0.50; C 1.00 min. |
51xxx |
Cr 1.02; C 1.00 min. |
52xxx |
Cr 1.45; C 1.00 min. |
Chromium-vanadium steel |
61xx |
Cr 0.60, 0.80, 0.95; V 0.10, 0.15 |
Tungsten-chromium steel |
72xx |
W 1.75; Cr 0.75 |
Silicon-manganese steel |
92xx |
Si 1.40, 2.00; Mn 0.65, 0.82, 0.85; Cr 0.00, 0.65 |
High-strength low-alloy steel |
9xx |
Various SAE grades |
Boron steel |
xxBxx |
B denotes boron steels |
Leaded steel |
xxLxx |
L denotes leaded steels |
