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ASTM B specification covers Nickel Copper Alloys like Monel Alloy Round Bar with ASTM B UNS N in the form of hot-worked and cold- worked. Designation: B – 03 Standard Speci?cation for Nickel-Copper Alloy Rod, Bar , and Wire1 This standard is issued under the?xed. Monel is a corrosion resistant NiCu easily machined, and fabricated. ASTM B, ASTM B, QQ-N Class A, UNS N Available in bar, wire.

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B — 03 Standard Speci? A number in parentheses indicates the year of last reapproval. A superscript epsilon e indicates an editorial change since the last revision or reapproval.

Villares Metals International

This standard has been approved for use by b64 of the Atm of Defense. The values given in parentheses are for information only. It is the responsibility of the user of this standard to become familiar with all hazards including those identi?

Current edition approved June 10, Originally approved in Last previous edition approved in as B – NOTE 1—Hot-worked rectangular bar in asmt 10 in. Examples of such requirements include, but are not limited to, the following: Rounds, squares, and xstm up to 12incl, and hexagons 21?

Rod and bar, all sizes Rings and disks Forging quality: E All sizes 85 84 87 84 84 80 85 55 50 60 55 b64 50 8B 10B 10B 20 20 20B,C 20 — — — — — — 80 75 75 — 70 — — UNS N 40 40 30 — 25 — — 30D 30 25 — 35 — — — — — B 75 to B95 — B 60 to B75 — Cold-worked as worked or stress-relieved: Rod and Bar, All sizes A B 85 85 80 85 80 50 50 50 50 b16 8B 15 15 15B,C 15 30 30 25 35 — — — — — — — — 75 75 70 70 35 35 30 25 See For sections under 1?

E Forging quality is furnished to chemical requirements and surface inspection only. No tensile properties are required. Dimensions and Permissible Variations 7.

The permissible variations in diameter of cold-worked wire shall be as prescribed in Table 6. Wire shall not be out-of-round by more than one-half the total permissible variations shown in Table 6.

Annealed, all sizes No.

Regular temper, under 1? All wire shall wrap around a rod of the same diameter as the wire without cracking All wire up to 0. Properties are not applicable to wire after straightening and cutting. Workmanship, Finish, and Appearance 8.

Number of Tests The rod shall then be rotated slowly against the indicator, and the deviation from straightness in any portion of the rod between the supports shall not exceed the permissible variations prescribed in Table The deviation from straightness throw in one revolution is de?


B Under 1 Spot grinding is permitted to remove minor surface imperfections. When a full cross-section size test cannot be performed, the largest possible round specimen shown in Test Methods E 8 shall be used. Longitudinal strip specimens shall be prepared in accordance with Test Methods E 8 for rectangular bar up to 1? The allowances for hot-worked material in Table 5 are recommended for rods machined in lengths of 3 ft 0.

Hot-worked material to be machined in longer lengths should be speci? C Applicable to 3 ft 0. Hot-worked Cold-worked Multiple lengths 6 to 24 ft 1. Furnished in multiples of a speci? For each multiple, an allowance of 1? For cold-worked rods and bars under 1? Rejection and Rehearing Rejection should be reported to the producer or supplier promptly and in writing. In case of dissatisfaction with the results of the test, the producer or supplier may make claim for a rehearing.

Test Rounded Unit for Observed or Calculated Value Chemical composition, hardness, nearest unit in the last right-hand place of and tolerances when expressed in? If two choices decimals are possible, as when the digits dropped are exactly a 5, or a 5 followed only by zeros, choose the one ending in an even digit, with zero de?

Tensile strength and yield strength nearest psi 6. The name of the material or UNS Number, heat number, condition temperASTM Bthe size, gross, tare, and net weight, consignor and consignee address, contract or order number, or such other information as may be de? C The maximum curvature depth of chord shall not exceed the values indicated multiplied by the length in feet.

Number of Tests S. For each lbs. The purchaser shall specify if one or both tests are required. Testing shall be done by a longitudinal wave or shear wave technique as speci?

Notch length shall not exceed 1 in. Notches shall be made either in the piece to be examined or in a separate defect—free specimen of the same size within 6 1? The position and amplitude of the response from each note shall be marked on the instrument screen or a transparent overlay, and these marks shall be used as the evaluation reference. Indications that appear between these points shall be evaluated on the basis of a straight line joining the two peak amplitudes.

Tensile specimens for rod and bar ? Specimens shall h164 free from sharp bends or kinks. The distance between the jaws of the testing machine, with the specimen in place ready for testing, shall be not less than 10 in.

Holes are to be drilled to midsection and the bottom of the hole shall be parallel to the entrant surface. Recalibration shall be performed at least once per 8 h shift. Wire shall be excluded from these requirements.

ASTM B Monel Alloy Round Bar Supplier · ASTM B UNS N

Shapes other than those listed below shall be tested to the extent set forth in the approved procedure. The scanning path shall be circumferential or helical with the beam directed along a radius of the rod.


Material shall be tested using a square, rectangular, or circular transducer having an effective area of one square inch or less, but no dimension shall be smaller than the diameter of the reference hole.

In the event of disagreement on the degree of back re? Therefore, liquid penetrant testing will not be applicable to products ordered with a hot? Depth of defects shall not exceed the dimensional tolerance of the material. Except as otherwise speci? The purchaser shall have the right to perform any of the inspections or tests set forth when such inspections and tests are deemed necessary to ensure that the material conforms to prescribed requirements: Preparation for Delivery S Intended generally for machining where an over-hauled surface is 8 desired, essentially for machined step down shafts or parts machined in short lengths of 3 ft mm or less.

Material is selected from heats of known, good hot malleability. In such cases, the user should run pilot forging tests to ensure himself that such material has the desired hot malleability range. No mechanical properties are offered since material is to be subsequently hot worked. Intended primarily for hot heated bolts but is of somewhat inferior quality, as to surface seams and cracks compared to forging quality, see X1.

ASTM B – 03() Standard Specification for Nickel-Copper Alloy Rod, Bar, and Wire

Provides for better surface inspection than does hot-worked material and often employed where welding is involved where removal of mill oxide is desired. Wstm is thermally treated to relieve the major portion of the internal stresses resulting from cold-working and may have a very thin light to medium oxide. Annealed for softness and with a dull matte? ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.

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