Abstract： ASME B16.14:2010 pdf download.Ferrous Pipe Plugs,Bushings, and Locknuts With Pipe Threads. 5 MARKING Each fitting shall be marked for identification with the manufacturers name or trademark. except where a marking is impractical. 6 MATERIAL...

ASME B16.14:2010 pdf download.Ferrous Pipe Plugs,Bushings, and Locknuts With Pipe Threads.

5 MARKING

Each fitting shall be marked for identification with the manufacturers name or trademark. except where a marking is impractical.

6 MATERIALS

(a) These fittings are furnished In gray iron, malleable iron, ductile iron, or steel as indicated in the individual tables.

(I’) The chemical and mechanical properties of cast material shall equal or exceed those properties listed in ASTM A 126, as

applicable. Steel castings, forgings. or machined bar properties shall correspond to the comparable ASThI casting miterial

specifications. The fittings manufacturer shall be prepared to certify conformance based on test data.

7 DIMENSIONS AND TOLERANCES

(a) Dimensions in metric units are given in Tables I through 5 for various types of fittings. Corresponding US. Customary values

are given in Tables I-I through I-S in Mandatory Appendix I.

(b) At no point in the component wall shall the metal thickness be less than 9L)% of the values listed in the

8 THREADS

8.1 Thread Form

Thrc.ids shall he in accordance with ANSI/ASME B120.l. All internal taper pipe threads shall he countersunk a distance not less

than one-half the pitch of the thread at an angle of approximately 45 deg with the axis of the thread. External taper pipe threads shall be chamfered at an angle between 30 deg and 45 deg with the axis. Countersinking and chamfering shall be concentric with the threads.

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