1、Metallic Material Limits for Wellhead Equipment Used in High Temperature for API 6A and API 17D ApplicationsAPI TECHNICAL REPORT 6MET SECOND EDITION, AUGUST 2018Special NotesAPI publications necessarily address problems of a general nature. With respect to particular circumstances, local, state, and
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6、ering and operating practices. These publications are not intended to obviate the need for applying sound engineering judgment regarding when and where these publications should be utilized. The formulation and publication of API publications is not intended in any way to inhibit anyone from using a
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8、nform to the applicable API standard.Classified areas may vary depending on the location, conditions, equipment, and substances involved in any given situation. Users of this Technical Report should consult with the appropriate authorities having jurisdiction.Users of this Technical Report should no
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16、ed and revised, reaffirmed, or withdrawn at least every five years. A one-time extension of up to two years may be added to this review cycle. Status of the publication can be ascertained from the API Standards Department, telephone (202) 682-8000. A catalog of API publications and materials is publ
17、ished annually by API, 1220 L Street, NW, Washington, DC 20005.Suggested revisions are invited and should be submitted to the Standards Department, API, 1220 L Street, NW, Washington, DC 20005, standardsapi.org.iiiContentsPage1 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
18、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32.1 Phase I, Phase II, and Phas
19、e III Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32.2 Phase IV Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Results . . .
20、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43.1 Phase I Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
21、. . . . . . . . . . . . . 43.2 Phase II Results. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53.3 Phase III Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
22、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53.4 Phase IV Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 Conclusions. . . . . . . . . . . . . . . . . . . . . . . . . . .
23、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6Annex A (informative) AISI 4130 Test R
24、esults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Annex B (informative) AISI 8630M Test Results. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14Annex C (informative) 21/4Cr 1 Mo Test R
25、esults. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Annex D (informative) AISI 4140 Test Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20Annex E (informative) 410 Stainless S
26、teel Test Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23Annex F (informative) F6NM Test Results. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26Annex G (informative) 25 Chrome Sup
27、er Duplex Test Results. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29Annex H (informative) ASTM A453 Gr. 660 Test Results from Phase II . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32ASTM A453 Gr. 660 Test Results from Phase IV . . . . . . . .
28、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34Annex I (informative) 718 (per Spec 6A718) Test Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40Annex J (informative) 725/625 Plus Test Results. . . . . . . . . . . . . . .
29、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43Annex K (informative) 925 Test Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45Bibliography . . . . . . . . . . . . . . . . . . . . . . . . . . . .
30、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47Figures 1 AISI 8630M Strength Reduction with Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4A.1 Plot of 4130 Test Results . . . . . . . .
31、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13B.1 Plot of 8630M Test Results. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16C.1 Plot of 21/4Cr 1 Mo
32、 Test Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19D.1 Plot of AISI 4140 Test Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22E.1 Plo
33、t of AISI 410 Stainless Steel Test Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25F.1 Plot of F6NM Test Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
34、 28G.1 Plot of 25 Chrome Super Duplex Test Results. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31H.1 Plot of ASTM A453 Gr. 660 Test Results. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34I.
35、1 Plot of 718 (per Spec 6A718) Test Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42J.1 Plot of 725/625 Plus Test Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
36、. 44K.1 Plot of 925 Test Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46vContentsPageTables1 List of Alloys Included in Phase I Testing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
37、. . . . . . . . . . . . . . . . . . 12 List of Alloys Included in Phase II Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 List of Alloys Included in Phase III Testing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
38、. . . . . . . . . . . . . . . . . . . 14 List of Alloys Included in Phase IV Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Recommended Yield Strength Reduction Ratios in Percent by Temperature. . . . . . . . . . . . . . . . . . . . .
39、 . . 26 Yield Strength Reduction Factors in Percent by Temperature (from Literature). . . . . . . . . . . . . . . . . . . . . 27 Alloy Composition for AISI 4130 Test Material. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 Alloy Composition for 863
40、0M Test Material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 Alloy Composition for 21/4Cr-1Mo (F22) Test Material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 710 Alloy Composition for AISI 4140 Test
41、Material. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 711 Alloy Composition for 410 Stainless Steel Test Material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 712 Alloy Composition for F6NM Stainless Steel Test Ma
42、terial . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 813 Alloy Composition for 25Cr Super Duplex Test Material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 814 Alloy Composition for ASTM A453 Gr 660 Precipitation-Hardened Austenitic St
43、ainless Steel (Phase II) Test Material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 815 Alloy Composition for ASTM A453 Gr 660 Precipitation-Hardened Austenitic Stainless Steel (Phase IV) Test Material . . . . . . . . .
44、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 916 Alloy Composition for Nickel Alloy 718 (per Spec 6A718) Test Material. . . . . . . . . . . . . . . . . . . . . . . . . . . . 917 Alloy Composition for Nickel Alloys 725 and 625 Te
45、st Material. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1018 Alloy Composition for Nickel Alloy 925 Test Material. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10A.1 AISI 4130 Test Results . . . . . . . . . . . . . . . . . . . . . . . . . .
46、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11B.1 AISI 8630M Test Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14C.1 21/4Cr 1 Mo Test Results . . . . . . . . . . . .
47、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17D.1 AISI 4140 Test Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20E.1 AISI 410 Test Results . .
48、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23F.1 F6NM Test Results. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
49、G.1 25 Chrome Super Duplex Test Results. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29H.1 ASTM A453 Gr. 660 Test Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32H.2 ASTM A453 Gr. 660 Class D Initial Aging Study ResultsUsing 1800 F Solution Anneal . . . . . . . . . . . 34H.3 ASTM A453 Gr. 660 Class D Initial Aging Study ResultsUsing 1650 F Solution Anneal . . . . . . . . . . . 34H.4 ASTM A453 Gr. 660 Class D Test Results. . . . . . . . . . . . .
