MIL-DTL-46100E (MR)
TABLE I. Chemical composition and precision (product analysis) 4/ .
COLUMN B 5/
COLUMN A
ALLOWABLE RANGE
MAXIMUM LIMIT for
ELEMENT
for FUTURE
DECLARED CHEMISTRY
PRODUCTION LOTS
(WEIGHT PERCENT)
(WEIGHT PERCENT)
Carbon
0.32
+ 0 , - 0.05
Manganese
NONE REQUIRED, HOWEVER IF:
< 1.00
± 0.15
> 1.00
± 0.20
0.020 1/
3/
Phosphorus
0.010 1/
3/
Sulfur
Silicon
NONE REQUIRED, HOWEVER IF:
< 0.60
± 0.10
> 0.60 to < 1.00
± 0.15
> 1.00
± 0.20
NONE REQUIRED 2/
Nickel
± 0.25
Chromium
NONE REQUIRED, HOWEVER IF:
< 1.25 2/
± 0.15
> 1.25
± 0.25
Molybdenum
NONE REQUIRED, HOWEVER IF:
< 0.20 2/
± 0.035
> 0.20
± 0.075
NONE REQUIRED 2/
Vanadium
± 0.075
3/
Boron
0.003
0.25 2/
3/
Copper
0.03 2/
3/
Nitrogen
0.10 2/
3/
Titanium
0.10 2/
3/
Zirconium
0.10 2/
3/
Aluminum
0.10 2/
3/
Lead
0.02 2/
3/
Tin
0.02 2/
3/
Antimony
0.02 2/
3/
Arsenic
1/
Phosphorus and sulfur should be controlled to the lowest attainable levels, but in no case shall the
combined phosphorus and sulfur contents exceed 0.025 wt%.
2/
When the amount of an element is less than 0.02 wt% the analysis may be reported as [ < 0.02 wt%].
3/
Product analysis values may not exceed those listed as the maximum limit.
4/
Elements not listed in table, but intentionally added, shall be reported.
5/
Values are actual tolerance limits NOT percent tolerances.
5
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