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SPECIFICATION FOR ALUMINUM AND ALUMINUM ALLOY DRAWN SEAMLESS TUBES FOR CONDENSERS AND HEAT EXCHANGERS

1.Scope

1.1 This specification covers aluminum-alloys (Note 10 drawn seamless round tube in staight lengths designated as shown in Table 2, for use in surface condensers, evaporators, and heat exchangers. 

NOTE 1 ? Throughout this specification use of the term alloy in the general sense includes aluminum as well as aluminum alloy. 

NOTE 2 ? For drawn seamless tubes used in general applicatoins, see Specification SB-210: for extruded tubes see Specification SB-221: for seamless pipe see Specification SB-241/SB-241M; and for structural pipe and tube see Spcification B 429. 

1.2 Alloy and temper deigbations are in allodance with ANSI H35.1. The equivalet Unified Numbering System alloy designations are thoes of Table 1 preceded by A9, for example, 91060 for aluminm 1060, in accordance with Practice E 527 

1.3 A complete metric companin to Spsdification B 234 has been developed ? B234M: therefor, no metric equivlents are presented in this specification. 

1.4 For acceptance critrri for inclusion of new aluminum alloys in this specification, see Annex A2.




  TABLE1 CHEMICAL COMPOSITION LIMITS [NOTE(1), (2), (3)] 

Alloy Silicon Iron Copper Manganese Magneiu Chromium Zinc Titanium Other Elements[Note(4)] Aluminum
Each Ttal[Note(5)]
1060 0.25 0.35 0.05 0.03 0.03 ... 0.05 0.03 0.03[Note(6)] ... 99.60min.[Note(7)]
3003 0.6 0.7 0.05-0.20 1.0-1.5 ... ... 0.10 ... 0.05 0.15 Remainder
Alclad 3003 3003 alloy clad with
7072 alloy
5052 0.25 0.40 0.10 0.10 2.2-2.8 0.12-0.35 0.10 ... 0.05 0.15 Remainder
5454 0.25 0.40 0.10 0.50-1.0 2.4-3.0 0.05-0.20 0.25 0.20 0.05 0.15 Reminder
6061 0.40-0.8 0.7 0.15-0.40 0.15 0.8-1.2 0.04-0.35 0.25 0.15 0.05 0.15 Remainder
7072[Note(8)] 0.7 Si+Fe 0.10 0.10 0.10 ... 0.8-1.3 ... 0.05 0.15 Remainder




TABLE2 TENSILE PROPERTY LIMITS[NOTES(1),(2)] 

Alloy Temper Wall Thickness, in. Tensile Strength,
Min., ksi		 Yield Strength
(0.2% Offset), Min., ksi		 Elongation in 2 in., or 4×Dia[Note(3)], Min.,%
Full-Section Specimen Cut-Out Specimen
1060 H14 0.010-0.200 12.0 10.0 ... ...
3003 H14 0.010-0.024 20.0 17.0 3 ...
- -- 0.25-0.049 20.0 17. 5 3
- 0.050-0.200 20.0 17.0 8 4
- H25 0.010-0.200 22.0 19.0 ... ...
Alclad 3003 H14 0.010-0.024 19.0 16.0 ... ...
- - 0.025-0.09 19.0 16.0 5 3
- - 0.050-0.200 19.0 16.0 8 4
- H25 0.010-0.200 21.0 18.0 ... ...
5052 H32 0.010-0.200 31.0 23.0 ... ...
H34 0.010-0.200 34.0 26.0 ... ...
5454 H32 0.010-0.050 36.0 26.0 ... 5
- - 0.051-0.200 36.0 26.0 ... 8
- H34 0.010-0.050 39.0 29.0 ... 4
- - 0.051-0.200 39.0 29.0 ... 6
6061 T4 0.025-0.049 30.0 16.0 16 14
- - 0.050-0.200 30.0 16.0 18 16
- T6 0.025-0.049 42.0 35.0 10 8
- - 0.050-0.200 42.0 35.0 12 10




TABLE3 TABLES OF ANSI H35.2 

Table No. Title
14.1 Wall Thickness
14.2 Length
14.3 Outside Diameter, Heat-Treatable Tube
14.4 Outside Diamete, Non-Heat-Treatable Tube
14.5 Straightness
14.6 Squareness of Cut Ends

 

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