Astm B446 2003 2008
Astm B446 2003 2008
Astm B446 2003 2008
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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Over 17⁄8 to 27⁄8 (47.6 to 73.0), incl 3⁄16 (4.8) 1⁄4 (6.4) ... ⁄ (4.8)
3 16
Over 27⁄8 to 313⁄16 (73.0 to 96.8), incl 1⁄4 (6.4) ... ... 3⁄16 (4.8)
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TABLE 6 Permissible Variations in Length of Rods and Bars
Random mill lengths:
Hot-workedA
6 to 24 ft (1.83 to 7.31 m) long with not more than 25 weight % between 6 and 9 ft (1.83 and 2.74 m).B
Cold-worked
6 to 20 ft (1.83 to 6.1 m) long with not more than 25 weight % between 6 and 10 ft (1.83 and 3.05 m).
Multiple lengths
Furnished in multiples of a specified unit length, within the length limits indicated above. For each multiple, an allowance of 1⁄4 in. (6.4 mm) will be made for
cutting, unless otherwise specified. At the manufacturer’s option, individual specified unit lengths may be furnished.
Nominal lengths
Specified nominal lengths having a range of not less than 2 ft. (610 mm) with no short lengths allowed.A
Cut lengths
A specified length to which all rods and bars will be cut with a permissible variation of plus 1⁄8 in. (3.2 mm), minus 0 for sizes 8 in. (203 mm) and less in
diameter or distance between parallel surfaces. For larger sizes, the permissible variation shall be +1⁄4 in. (6.4 mm), −0.
A
For cold-worked rod under 1⁄2 in. (12.7 mm) in diameter ordered to nominal or stock lengths with a 2-ft (610-mm) range, at least 93 % of such material shall be within
the range specified; the balance may be in shorter lengths but in no case shall lengths less than 4 ft (1220 mm) be furnished.
B
For hot-worked sections weighing over 25 lb/ft (37 kg/m) and for smooth forged products, all sections, short lengths down to 2 ft (610 mm) may be furnished.
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Chemical analysis E 1473 attached thereto: The name of the material or UNS number;
Tension E8 heat number; condition (temper); this specification number; the
Rounding procedure E 29
size; gross, tare and net weight; consignor and consignee
12.2 For purposes of determining compliance with the address; contract or order number; or such other information as
specified limits for requirements of the properties listed in the may be defined in the contract or order.
following table, an observed or calculated value shall be
rounded as indicated below, in accordance with the rounding 17. Keywords
method of Practice E 29: 17.1 bar; rod; UNS N06625; UNS N06219; UNS N06650
APPENDIX
(Nonmandatory Information)
X1.1 The various conditions and finishes in which rod and NOTE X1.1—Annealing or solution annealing prior to pickling may be
bar are procurable are as follows: required in order to reduce the mill oxide since uniform pickling of an
unreduced oxide is difficult.
X1.1.1 Hot Finished, Annealed, or Solution-Annealed—
Soft, with a tightly adherent dark oxide. X1.1.3 Hot-Worked, Annealed, and Rough Ground—
X1.1.2 Hot Finished, Annealed or Solution Annealed, and Similar to X1.1.1 except rough ground.
Pickled—Same as X1.1.1 except descaled for removal of mill X1.1.4 Hot-Worked, Annealed, and Rough-Turned—Similar
oxide. Provides for better surface inspection than does hot- to X1.1.1 except rough turned with a broad nosed tool similar
worked, annealed material and often employed where welding to a bar peeling operation and thus may not be straight.
is involved where removal of mill oxide is desired. Intended generally for machining where an overhauled surface
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