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ASME Code Review
Proposed Revisions Currently Available For Public Review
( Comment period for proposed revisions displayed on this site coincide with ANSI public review dates )

Comments on the proposal may be submitted for committee consideration. Comments should be addressed to the Staff Contact indicated for the particular proposal.
For Intent Interpretations listed, only the proposed revision portion of the proposal is subject to public review.
Record#: Code Sections Affected by the Proposed Revision Proposal: Staff Contact: Comment Period End Date: File:

Part A - Ferrous Material Specifications Part B - Nonferrous Material Specifications Part D - Materials Properties - 20XX

04-1375
BPVC-IIA
Approve adoption of ASTM A351/A351-18e1 as ASME SA-351/SA-351M Colleen O'Brien 02/15/22 Public Review Draft File
07-1376
BPVC-IIB
Adopt ASTM B729-20 as the latest version of ASME SB-729. Colleen O'Brien 02/15/22 Public Review Draft File
07-1555
BPVC-IIB
Approve adoption of ASTM B573-06(R16) as SB-573 and updated Table II-200-1 Colleen O'Brien 02/15/22 Public Review Draft File
07-1591
BPVC-IIB
Approve the adoption of ASTM B625-17as ASME SB-625. Colleen O'Brien 02/15/22 Public Review Draft File
07-1592
BPVC-IIB
Approve the adoption of the ASTM B710-20a specification as ASME SB-710. Colleen O'Brien 02/15/22 Public Review Draft File
09-925
BPVC-IIB
Approve adoption of Section II, Part B; Adoption of ASTM B 751-08 as ASME SB-751 and updated Table II-200-1. Colleen O'Brien 02/15/22 Public Review Draft File
14-2163
BPVC-IID-C
BPVC-IID-M
(1)Thickness range on line 26,27,32,and 33 on page 402 of II-D in both customary and metric have been corrected. (2)Stress values for SB335 N10001 have been revised from a Swindeman analysis using listed U and Y-1 values. Colleen O'Brien 02/15/22 Public Review Draft File
15-527
BPVC-IID-C
BPVC-IID-M
Approve the revision to add yield and tensile strength values for aluminum alloy SB/EN 1706 AlSi7Mg, AC42000 to SC II-D Tables U and Y-1. Colleen O'Brien 02/15/22 Public Review Draft File
15-1407
BPVC-IIA
Approve the adoption of ASTM A813/A813M-14 as ASME SA-813/SA-813M. Colleen O'Brien 02/15/22 Public Review Draft File
18-1708
BPVC-IID-C
BPVC-IID-M
Revise Section II Part D Tables 1B to permit use of SB-366 fittings for alloys that are currently permitted to be used as pipe or tube. Colleen O'Brien 02/15/22 Public Review Draft File
18-2784
BPVC-IID-C
BPVC-IID-M
Update and correct Tables 2A US Customary and Metric for SA-738 Grade B: (1) Edit line in US Customary table by (a) changing temperature limit of 650F for Section III per Code Case N-655-2; note that 650F (343C) is lower than the current Metric listed limit of 350C; and (b) addition of stress value at 650F of 27.7 ksi consistent with CC N-655-2. (2) Combine the two Metric table lines into a single line as for the US Customary table by (a) deleting one of the lines with "NP" for Section III; and (b) editing the remaining line to change the Applicability temperature limits to 343C for III (corresponding to CC N-655-2 and the proposed US Customary table) and 316C for VIII-2 as currently tabulated for the deleted line. Colleen O'Brien 02/15/22 Public Review Draft File
19-55
BPVC-IIA
BPVC-IIA-2
Add new paragraphs to the following cover sheets; (1)SA/CSA-G40.21 1.1.2 requirement of marking "G" 1.1.3 requirement of marking "MT" 1.1.4 requirement of marking heat number and manufacturer's name 1.1.5 options available for marking on secured lifts 1.1.6 prohibit of the sole use of color coding (2)SA/EN 10025-2 1.1(b) requirement of marking indicating full heat treatment 1.1(c) requirement of marking "N" and "NR" 1.1(d) requirement of marking "G" 1.1(e) requirement of marking indicating subsequent heat treatment (3)SA/IS 2062 1.1.2 requrement of method of marking (4)SA/JIS G3118 1.1.4 requirement of method of marking 1.1.5 requirement of location of marking Colleen O'Brien 02/15/22 Public Review Draft File
19-1002
BPVC-IID-C
BPVC-IID-M
Approve addition of copper alloys to customary and metric Section II, Part D Table TM-3 as shown in the Proposal File. Colleen O'Brien 02/15/22 Public Review Draft File
20-182
BPVC-IIA
Approve the adoption of ASTM A703/A703M-18a as ASME SA-703/SA-703M. Colleen O'Brien 02/15/22 Public Review Draft File
20-187
BPVC-IIA
BPVC-IIA-2
Approve the adoption of ASTM A691-19 as ASME SA-691 Colleen O'Brien 02/15/22 Public Review Draft File
20-188
BPVC-IIA
BPVC-IIA-2
Approve the adoption of ASTM A409/A409M-19 as ASME SA-409/SA-409M. Colleen O'Brien 02/15/22 Public Review Draft File
20-189
BPVC-IIA
BPVC-IIA-2
Approve the adoption of ASTM A403/A403M-19a as ASME SA-403/SA-403M. Colleen O'Brien 02/15/22 Public Review Draft File
20-959 Approve the adoption of ASTM B167-18 as ASME SB-167 Colleen O'Brien 02/15/22 Public Review Draft File
20-960
BPVC-IIB
Approve the adoption of ASTM B168-19 as ASME SB-168 Colleen O'Brien 02/15/22 Public Review Draft File
20-2366
BPVC-IID-C
BPVC-IID-M
Remove the yield strength values for SA-736 Grade A Class 1 and Class 2 materials from Table Y-1 of both the customary and metric versions of Section II Part D as indicated in the Proposal File. Colleen O'Brien 02/15/22 Public Review Draft File
20-2482
BPVC-IIB
Adopt ASTM B251/B251M-17 as SB-251 modified as indicated in the Explanation with Table II-200-1 updated. Colleen O'Brien 02/15/22 Public Review Draft File
21-670
BPVC-IIB
Approve the adoption of ASTM B43 – 20 as ASME SB-43 and the update of Table II-200-1 Colleen O'Brien 02/15/22 Public Review Draft File
21-1080
BPVC-IIB
Approve mark-up of B249/B249M-20 as SB-249/249M, and update of Table II-200-1 Colleen O'Brien 02/15/22 Public Review Draft File
21-1193
BPVC-IID-C
BPVC-IID-M
Approve Revisions to the Product Form Column for SB-187 Entries in Section II Part D Tables 1B, 3, U and Y-1 Colleen O'Brien 02/15/22 Public Review Draft File
21-1398
BPVC-IID-C
BPVC-IID-M
Approve mark-up of Table Y-2 to add copper and copper alloys. Colleen O'Brien 02/15/22 Public Review Draft File
21-1540
BPVC-IIA
Intent Interpretation: Question: Is it the intent that cylindrically-shaped parts need not be pure cylinders but only that the longitudinal axis of the part shall be parallel to the longitudinal axis of the bar? Reply: Yes. Colleen O'Brien 02/15/22 Public Review Draft File

Rules for Construction of Pressure Vessels - 20XX

08-1205
BPVC-VIII-2
Assign a common joint category to tube-to-tubesheet welds and make the necessary corresponding revisions to VIII-2. Steven Rossi 02/01/22 Public Review Draft File
08-1300
BPVC-VIII-1
1. Incorporate SB-673 UNS N08354 from Code Case 2585-1 into VIII-1 2. Include SB-674 UNS N08354 into VIII-1 3. Leave Code Case 2585-1 open without revision to address remaining materials (SB-625, SB-649 and SB-677) until after 2023 Edition is published Steven Rossi 02/01/22 Public Review Draft File
13-342
BPVC-VIII-1
Added new subparagraph U-2(j); Revision to Appendix NN Steven Rossi 02/01/22 Public Review Draft File
13-2042
BPVC-VIII-1
BPVC-VIII-2
A new proposal file is uploaded based on the comments and suggestions received during the first ballot. The file contains the summary of proposed changes. Steven Rossi 02/01/22 Public Review Draft File
14-87
BPVC-VIII-3
Make additions to KD-322, Table KD-320.1 and Table KD-320.1M to clarify currently allowed logarithmic interpolation along individual fatigue design curves, and to further allow linear interpolation between the individual curves in Figures KD-320.1, KD-320.1M, KD-320.2 and KD-320.2M. Also, change the logarithmic interpolation example in Note (c) of Table KD-320.1M to metric units. Steven Rossi 02/01/22 Public Review Draft File
14-2498
BPVC-VIII-1
BPVC-VIII-2
Delete the phrase "unless the vessel is other wise protected against overpressure" in UG-150(e) and 9.1(c). Steven Rossi 02/01/22 Public Review Draft File
15-1795
BPVC-VIII-1
Rewrite paragraph 45-6 as shown in the proposal file. Steven Rossi 02/01/22 Public Review Draft File
15-2810
BPVC-VIII-2
Make editorial changes to Figures 3.3, 3.4, 3.7, 3.8 and Table 3.12 and 3.13 along with associated working in the code to better clarify welded parts. See proposal file for details. Steven Rossi 02/01/22 Public Review Draft File
16-443
BPVC-VIII-3
Update wording for notes regarding Aqueous Environments Steven Rossi 02/01/22 Public Review Draft File
16-1823
BPVC-VIII-1
To modify note (2b) to added normalized and tempered, or liquid quenched and tempered to acceptable fine grain practices. Steven Rossi 02/01/22 Public Review Draft File
17-216
BPVC-VIII-3
Revise KD-231.3, Step 3 to clarify constitutive material response that should be assigned when assessing an assembly consisting of multiple components. Steven Rossi 02/01/22 Public Review Draft File
17-875
BPVC-VIII-1
BPVC-VIII-2
Revised Div.1: UG-93(d)(3), Table UCS-56-1, Table UCS-56-2, UNF-56(d)(1), and ULW-75 Revised Div.2: Table 6.8 and Table 6.9 Steven Rossi 02/01/22 Public Review Draft File
17-1971
BPVC-VIII-3
Revise KD-313 Steven Rossi 02/01/22 Public Review Draft File
17-2651
BPVC-VIII-2
Revise para. 5.5.2.4 and replace Table 5.10 as shown in the Proposal file. Steven Rossi 02/01/22 Public Review Draft File
18-445
BPVC-VIII-1
To clarify UW-16 rules and terminology as provided in the Explanantion. Steven Rossi 02/01/22 Public Review Draft File
18-716
BPVC-CC-BPV
Annul Case 2515. Steven Rossi 02/01/22 Public Review Draft File
18-1027
BPVC-VIII-1
Revise 10-13(b)(7) per attached proposal file Steven Rossi 02/01/22 Public Review Draft File
18-1296
BPVC-VIII-2
Part 5.4 - Protection Against Failure From Buckling - is being completely re-written. A new Table of Load Cases, Table 5.8, is also added. Steven Rossi 02/01/22 Public Review Draft File
19-693
BPVC-VIII-2
Revise 2-F.5(a)(3) for: 1. Clarify that the nameplate can be attached to a bracket that can be attached to the vessel skirt or other permanent attachment 2. Minor editorial changes Steven Rossi 02/01/22 Public Review Draft File
19-1557
BPVC-VIII-3
"PL + Pb + Q" Is added to the text of the definition of Delta Ssubn in parentheses after equations KD – 322.1 and KD – 322.3. Steven Rossi 02/01/22 Public Review Draft File
19-1852
BPVC-VIII-1
BPVC-VIII-2
Delete the requirement for the welding procedure qualification having the same cooling rate as in production from UG-84(f)(2) and 3.11.8.1(b) Steven Rossi 02/01/22 Public Review Draft File
19-2133
BPVC-VIII-2
Delete the lower limit of 20 for L/t in equation 4.3.7 for Torispherical Dished Bolted Covers designed in accordance with Part 4.7 Steven Rossi 02/01/22 Public Review Draft File
19-2306
BPVC-VIII-3
Update the wording in Mandatory Appendix 1 Nomenclature "t" to match the paragraph wording. Steven Rossi 02/01/22 Public Review Draft File
20-265
BPVC-VIII-2
Revise Section VIII Division 2 Table 4.11.1 Details 6(a) and 6(b) to provide the weld sizes in these details and delete the reference note to paragraph 4.2 in Details 6(c). Steven Rossi 02/01/22 Public Review Draft File
20-758
BPVC-VIII-1
BPVC-VIII-2
Define length limited by 0.5*SQRT(Rt) Steven Rossi 02/01/22 Public Review Draft File
20-836
BPVC-VIII-1
Approve SA-479 (Bar) UNS N08904 use and remove SB-649 UNS N08904 Steven Rossi 02/01/22 Public Review Draft File
20-1128
BPVC-VIII-1
Update Figure 39(a) anf Figure 39(b) for typographical errors. Please see the attached proposal. Steven Rossi 02/01/22 Public Review Draft File
20-1165
BPVC-VIII-1
BPVC-VIII-1Interp
1) Approve Intent Interpretation as follows: Question: Is it the intent of Figure UW-13.2 that General Note (a) applies to sketches (r) and (s)? Reply: No. 2) Approve revision to Fig. UW-13.2 General Note (a) per Proposal File. Steven Rossi 02/01/22 Public Review Draft File
20-1265
BPVC-VIII-1
BPVC-VIII-2
Remove obscure term "van stone laps" and replace with "lap joint stub ends". Steven Rossi 02/01/22 Public Review Draft File
20-1464
BPVC-VIII-3
See proposal file. Steven Rossi 02/01/22 Public Review Draft File
20-1592
BPVC-VIII-2
Revise 1.2.4.2(b) by changing API RP 560 to API STD 560. Steven Rossi 02/01/22 Public Review Draft File
20-1600
BPVC-VIII-2
Correct reference in Table 6.13 Steven Rossi 02/01/22 Public Review Draft File
20-2117
BPVC-VIII-3
Change of minimum delta Kth for carbon and low alloy steels with Sy less than or equal to 90ksi (620MPa) in KD-430 (b) as shown in the proposal. Steven Rossi 02/01/22 Public Review Draft File
20-2134
BPVC-VIII-1
Revise UG-119(c) as shown in the Proposal file. Steven Rossi 02/01/22 Public Review Draft File
20-2370
BPVC-VIII-1
Approve the changes to UG-98(c), UG-151, Appendix 22-5, Table NN-6-1 as shown in the proposal document. Steven Rossi 02/01/22 Public Review Draft File
20-2489
BPVC-VIII-2
Delete last part of Table 4.11.1 Detail 6. The required thickness requirement for a closure member in this detail conflicts with other details that also have required thickness requirement equations. Steven Rossi 02/01/22 Public Review Draft File
20-2621
BPVC-VIII-1
BPVC-VIII-2
Revise UG-84(c)(2)(-a) and 3.11.7.2(b) Steven Rossi 02/01/22 Public Review Draft File
20-2693
BPVC-VIII-3
Add attached reference or link in Appendix A. Steven Rossi 02/01/22 Public Review Draft File
20-2694
BPVC-VIII-3
Accept additional note in proposal file. Steven Rossi 02/01/22 Public Review Draft File
20-2715
BPVC-VIII-1
BPVC-VIII-2
Div.1, Tables UCS-56-2, UCS-56-3, UCS-56-4: Exempt wrought and forged butt weld fittings along with pipe and tube. Div.2, Tables 6.9, 6.10, 6.11: Exempt wrought and forged butt weld fittings along with pipe and tube. Steven Rossi 02/01/22 Public Review Draft File
20-2740
BPVC-VIII-3
Accept changes in proposal file. Steven Rossi 02/01/22 Public Review Draft File
20-2894
BPVC-VIII-3
Approve attached proposal. Steven Rossi 02/01/22 Public Review Draft File
20-3000
BPVC-VIII-3
Reduce the Charpy Test temperature by 108 deg F (60 deg C) below the MDMT for Impulsively Loaded Vessels Steven Rossi 02/01/22 Public Review Draft File
21-71
BPVC-VIII-2
Add C70620 and C71520 to Table 3-A.5 Steven Rossi 02/01/22 Public Review Draft File
21-176
BPVC-VIII-3
See proposal file. Steven Rossi 02/01/22 Public Review Draft File
21-675
BPVC-VIII-1
Add new Paragrph 44-5 (i) on shell rings Steven Rossi 02/01/22 Public Review Draft File
21-775
BPVC-VIII-3
Revise the KM-234.1(b) MDMT limit for materials other than fully austenitic stainless steels that are exempted from impact testing from -50°F (-45°C) to -55°F (-48°C). Steven Rossi 02/01/22 Public Review Draft File
21-1010
BPVC-VIII-3
Accept changes shown in the proposal file. Steven Rossi 02/01/22 Public Review Draft File
21-1462
BPVC-VIII-3
Correct KF-131 and Figure KF-131. Steven Rossi 02/01/22 Public Review Draft File
21-1595
BPVC-VIII-1
Revise the reference in the last paragraph of Nonmandatory Appendix P as indicated in the Proposal File. Steven Rossi 02/01/22 Public Review Draft File
21-1770
BPVC-VIII-1
Revise Appendix 47 Steven Rossi 02/01/22 Public Review Draft File
21-1811
BPVC-VIII-1
CVN energy acceptance curve has been provided for 80 ksi (550 MPa) YS materials in Figure UG 84.1 and UG 84.1 (M). Steven Rossi 02/01/22 Public Review Draft File
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