Specification for Copper-Alloy Condenser Tube Plates (Withdrawn 1941)

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ASTM B57-27 - Specification for Copper-Alloy Condenser Tube Plates (Withdrawn 1941)
English language
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STANDARD SPECIFICATIONS
!<'OR
MUN'i.l METAL CONDENSER TUBE PLATES•
Serial Dejignation: B 57-27
These speciflcntions nre issucr!und•:r the fixed designation D 57; the final num­
ber indit:ates the ycnr of original adoption ns standard or, in the case of •·ev1sion, the
ycnr of last revision.
Jssu1m AS TEN'fATlVJ~, 1925; Anot•·rRri, 1927.
1. These specifications cover rolled Muntz metal plates for Sc:ope.
surface condenser tube sheets.
MANUFACTURE
2. The plates shall be made by hot rolling from castings of suitable Proem.
dimensions.
CHEMICAL PROPERTIES AND TESTS
3. The plates shall conform to the following requirements as to Chemical
chemical composition: Cnmpo•ltiou.
Copper . .•. 58.00- 61.00 per cent
Lead .•. .•. O.J5- 0.90 ''
Iron . : . . . . not over 0.1.5 ''
Tin .•. not over 0. 25
41
Other Impurities . net over 0.10
Zinc .•. . Remal nclcr
4. Analysis may be made on each lot of 5000 lb. or less. Analysis.
5. The sample shall be taken by drilling or milling representative s~mpling.
plates in such a way that a sample of the entire thickness shall be ·
obtained. Equal quantities from each plate shall be thoroughly
mixed. Samples so prepared shall be divided into three equal parts,
one for the seller, one for the purchaser, and one for an umpire, if
necessary.
PHYSICAT, PROPERTIES AND TESTS
6. The material shall conform to the following minimum require- Tension
m~b: ~~
ELOHI';.A'tiON IN
Tusn.11: STRENGTH, Yun.D PoiNT,
Lll. P81l 9Q, Ill, LD. I'Jtll SQ. IN. 2 IN., P&R CliNT
50 000 20 000 35.0
'Under the atandardir.at.ion procedure of tho Society, these apoc,6cation• are undor t he juri!Mhc·
~ion of the A.S.T,M. CummittM .B-2 on Non-Ferrous Mctnl• 41nd Alloys.
(633)

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634 SPECIFICATIONS FOR CONDENSER TUBE PLATES
Bend Test. 7.
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