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UNS C68700 vs UNS C28000

Minimal Match — 42.8% match based on chemical composition and mechanical property overlap.

UNS C68700 and UNS C28000 are both brass grades. Both fall under the Brass Alloys category. UNS C68700 is defined under Unified Numbering System (UNS), originating from United States, while UNS C28000 is defined under Unified Numbering System (UNS), originating from United States.

As per chemical composition, UNS C68700 vs UNS C28000 is a 64.2% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 42.8%.

Frequently Compared With UNS C68700:
UNS C27000 UNS C26000 UNS C46400 UNS C21000 UNS C36000 UNS C23000
Match Breakdown
CHEMISTRY MATCH
64.2%
MECHANICAL MATCH
0%
OVERALL
42.8%
Specifications
Property UNS C68700 UNS C28000
Standard UNS UNS
Category Brass Alloys Brass Alloys
Cu (%) 76.00-79.00 59.00-63.00
Pb (%) 0-0.07 0-0.09
Fe (%) 0-0.06 0-0.07
Al (%) 1.80-2.50 Not specified
As (%) 0.02-0.06 Not specified
Zn (%) balance balance
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property UNS C68700 UNS C28000
Yield Strength ~200-250 MPa (O61 annealed) ~145 MPa (O61 annealed)
Tensile Strength ~350-390 MPa (O61 annealed) ~372 MPa (O61 annealed)
Elongation ~20-30% (O61 annealed) ~50% (O61 annealed)
Note Aluminium brass (condenser tube alloy), values for O61 annealed condition Muntz metal, values for O61 annealed condition
Key Differences
Can UNS C68700 Be Substituted With UNS C28000?
UNS C68700 and UNS C28000 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
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UNS C68700
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UNS C28000
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Frequently Asked Questions
What is the difference between UNS C68700 and UNS C28000?
UNS C68700 specifies Al, As which are not specified for UNS C28000.
Can UNS C68700 be substituted with UNS C28000?
UNS C68700 and UNS C28000 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.