CARBON STEELS |
10XX |
Plain carbon, mn 1.00% max |
11XX |
Resulfurized free machining |
|
12XX |
Resulfurized/rephosphorized free machining |
|
15XX |
Plain carbon, mn 1.00-1.65% |
|
MANGANESE STEEL |
13XX |
MN 1.75% |
NICKEL STEELS |
23XX |
NI 3.50% |
25XX |
NI 5.00% |
|
NICKEL-CHROMIUM STEELS |
31XX |
NI 1.25%, CR .65-.80% |
32XX |
NI 1.75%, CR 1.07% |
|
33XX |
NI 3.50%, CR 1.50-1.57% |
|
34XX |
NI 3.00%, CR .77% |
|
MOLYBDENUM STEELS |
40XX |
MO .20-.25% |
44XX |
MO .40-.52% |
|
CHROMIUM-MOLYBDENUM STEELS |
41XX |
CR .50-.95%, MO .12-.30% |
NICKEL-CHROMIUM-MOLYBDENUM STEELS |
43XX |
NI 1.82%, Cr .50-.80%, MO .25% |
47XX |
NI 1.05%, Cr .45%, MO .20-.35% |
|
NICKEL-MOLYBDENUM STEELS |
46XX |
NI .85-1.82%, MO .20-.25% |
48XX |
NI 3.50%, MO .25% |
|
CHROMIUM STEELS |
50XX |
CR .27-.65% |
51XX |
CR .80-1.05% |
|
50XXX |
CR .50%, C 1.00% MIN |
|
51XXX |
CR 1.02%, C 1.00% MIN |
|
52XXX |
CR 1.45%, C 1.00% MIN |
|
CHROMIUM-VANADIUM STEELS |
61XX |
CR .60-.95%, V .10-.15% |
TUNGSTEN-CHROMIUM STEELS |
72XX |
W 1.75%, CR .75% |
NICKEL-CHROMIUM-MOLYBDENUM STEELS |
81XX |
NI .30%, Cr .40%, MO .12% |
86XX |
NI .55%, Cr .50%, MO .20% |
|
87XX |
NI .55%, CR .50%, MO .25% |
|
88XX |
NI .55%, CR .50%, MO .35% |
|
SILICON-MANGANESE STEELS |
92XX |
SI 1.40-2.00%, MN .65-.85%, CR 0-.65% |
NICKEL-CHROMIUM-MOLYBDENUM STEELS |
93XX |
NI 3.25%, CR 1.20%, MO .12% |
94XX |
Ni .45%, Cr .40%, Mo .12% |
|
97XX |
NI .55%, CR .20%, MO .20% |
|
98XX |
NI 1.00%, CR .80%, MO .25% |