MIL-DTL-46177C(MR)
1/
TABLE I.
Chemical composition (product analysis).
_______________________________________________________________________________
MAXIMUM RANGE
MAXIMUM LIMIT
ELEMENT
PERCENT
PERCENT
_______________________________________________________________________________
CARBON
0.l0
0.30
MANGANESE:
Up to l.00%, incl.
0.30
--
Over l.00%
0.40
--
PHOSPHORUS
--
0.025
SULFUR
--
0.015
SILICON:
Up to 0.60% incl.
0.20
--
Over 0.60% to l.00% incl.
0.30
--
Over l.00%
0.40
--
NICKEL
0.50
--
CHROMIUM:
Up to l.25% incl.
0.30
--
Over l.25%
0.40
--
MOLYBDENUM:
Up to 0.20% incl.
0.07
--
Over 0.20%
0.15
--
VANADIUM
0.l0
--
BORON
--
-- 2/
COPPER
--
0.25 2/
TITANIUM
--
0.10 3/
ZIRCONIUM
--
0.10 3/
ALUMINUM
--
0.10 3/
LEAD
--
0.01
TIN
--
0.02 3/
ANTIMONY
--
0.02 3/
ARSENIC
--
0.02 3/
____________________________________________________________________________
l/
This table lists the maximum range for elements of the manufacturer's
established chemical composition.
2/
When the amount of boron is specified in the alloy, its content so determined
by heat analysis shall not exceed 0.003 percent.
3/
When the amount of an element is less than 0.02 percent the analysis may be
reported as 0.02 percent.
4
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