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ASME B36.19M-2004


ASME B36.19M-2004
(Revision of ANSI/ASME B36.19M-1985)

Stainless Steel Pipe

A N A M E R I C A N N AT I O N A L STA N DA R D

A N

A M E R I C A

N

N A T I O N A L

S T A N D A R D

STAINLESS STEEL PIPE
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ASME B36.19M-2004
(Revision of ANSI/ASME B36.19M-1985)

Date of Issuance: October 25, 2004

This Standard will be revised when the Society approves the issuance of a new edition. There will be no addenda or written interpretations of the requirements of this Standard issued to this edition.

ASME is the registered trademark of The American Society of Mechanical Engineers. This code or standard was developed under procedures accredited as meeting the criteria for American National Standards. The Standards Committee that approved the code or standard was balanced to assure that individuals from competent and concerned interests have had an opportunity to participate. The proposed code or standard was made available for public review and comment that provides an opportunity for additional public input from industry, academia, regulatory agencies, and the public-at-large. ASME does not “approve,” “rate,” or “endorse” any item, construction, proprietary device, or activity. ASME does not take any position with respect to the validity of any patent rights asserted in connection with any items mentioned in this document, and does not undertake to insure anyone utilizing a standard against liability for infringement of any applicable letters patent, nor assume any such liability. Users of a code or standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, is entirely their own responsibility. Participation by federal agency representative(s) or person(s) affiliated with industry is not to be interpreted as government or industry endorsement of this code or standard. ASME accepts responsibility for only those interpretations of this document issued in accordance with the established ASME procedures and policies, which precludes the issuance of interpretations by individuals.

No part of this document may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior written permission of the publisher.

The American Society of Mechanical Engineers Three Park Avenue, New York, NY 10016-5990

Copyright ? 2004 by THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS All rights reserved Printed in U.S.A.

CONTENTS
Foreword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Committee Roster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2 3 4 5 6 7 8 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Wall Thickness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Weights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Permissible Variations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pipe Threads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Wall Thickness Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv v 1 1 1 1 1 1 1 2

Table 1 Dimensions of Welded and Seamless Stainless Steel Pipe and Nominal Weights of Steel Pipe, Plain End . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3

iii

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FOREWORD
This Standard for corrosion resistant piping, designated categorically as stainless, is based on the same principles that formed the background for the development of ASME B36.10M, Welded and Seamless Wrought Steel Pipe, and reference is made to this source of information. The more recent development of the highly alloyed stainless steels has brought about a minor conflict with convention. With these newer materials, the need for standards is just as great and the present types of threads are just as satisfactory, but the basic cost of the metal is much higher and the art of fusion welding has developed concurrently. The character of stainless steel permits the design of thin-wall piping systems without fear of early failure due to corrosion, and the use of fusion welding to join such piping has eliminated the necessity of threading it. For these reasons, the wall thickness dimensions shown under Schedule 10S have been developed, based on the conventional formula, but then modified to correspond to the nearest Birmingham Wire Gage (B.W.G.) number. Following publication of the 1949 edition, a demand developed for a still lighter wall pipe. A Schedule 5S was determined cooperatively by representatives of chemical companies, processing industries, and manufacturers of welding fittings. This was endorsed by the American Standards Association (ASA) Chemical Industry Correlating Committee and the Manufacturers Standardization Society of the Valve and Fittings Industry. The new schedule was included in the revised standard that was approved by ASA (now ANSI) on April 7, 1952. In 1956, it was recommended that the wall thickness of 12 in. 5S be lessened, and a new revision of the standard was issued shortly after its approval by ASA on February 27, 1957. In this fourth edition, dimensions were expanded beyond 12 in. pipe size by inclusion of, and reference to, ASTM Specification A 409. This revision was approved by ASA on October 29, 1965. The B36 Standards Committee membership was asked in March 1970 for recommendations as to what action should be taken on ANSI B36.19-1965 since, according to ANSI procedures, this standard was due for revision or affirmation. The B36 Standards Committee recommended reaffirmation. This action was approved by the Secretariat and by the American National Standards Institute on May 26, 1971. In 1975, the B36 Standards Committee undertook a review of the standard, considering its acceptability and usefulness. The results were favorable; some editorial refinements and updating were proposed, along with the incorporation of factors for conversion to SI (metric) units. The revision was approved by the Standards Committee, the Secretariat, and subsequently the American National Standards Institute on October 4, 1976. The standard was revised in 1984 to include SI (metric) dimensions. The outside diameters and wall thicknesses were converted to millimeters by multiplying the inch dimensions by 25.4. Outside diameters larger than 16 in. were rounded to the nearest 1 mm, and outside diameters 16 in. and smaller were rounded to the nearest 0.1 mm. Wall thicknesses were rounded to the nearest 0.01 mm. These converted and rounded SI dimensions were added in Table 2A. A formula to calculate the SI plain end mass, kg/m, using SI diameters and thicknesses, was added to para. 5. The SI plain end mass was calculated for each size and thickness, and added in Table 3A. These changes in the standard were approved by the Standards Committee, the Sponsor, and ANSI, and it was designated an American National Standard on October 7, 1985. The current edition revises the text to conform to the format and content, as appropriate, of ASME B36.10M-2004. Tables 2, 2A, 3, and 3A are replaced with a new Table 1, combining the information in the previous tables into a single table. Also, the roster of the disbanded B36 Committee is replaced by the roster of the B32 Committee. This edition was approved as an American National Standard on June 23, 2004.

iv

ASME B32 COMMITTEE Metal and Metal Alloy Wrought Mill Product Nominal Sizes
(The following is the roster of the Committee at the time of approval of this Standard.)

OFFICERS
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J. A. Gruber, Chair J. H. Karian, Secretary

COMMITTEE PERSONNEL
F. M. Christensen, F. M. Christensen Metallurgical Consulting, Inc. A. Cohen, Arthur Cohen & Associates J. A. Gruber, Wheatland Tube Co. W. N. Holliday, LTV Steel Co. L. T. Ingels, American Gas Association, Inc. J. H. Karian, The American Society of Mechanical Engineers K. O. Kverneland, Kok Metric Co. A. R. Machell, Jr. P. Pollak, Aluminum Association, Inc. R. N. Rau

v

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vi

ASME B36.19M-2004

STAINLESS STEEL PIPE
1 SCOPE 5 WEIGHTS

This Standard covers the standardization of dimensions of welded and seamless wrought stainless steel pipe for high or low temperatures and pressures. The word pipe is used, as distinguished from tube, to apply to tubular products of dimensions commonly used for pipeline and piping systems. Pipes NPS 12 (DN 300) and smaller have outside diameters numerically larger than their corresponding sizes. In contrast, the outside diameters of tubes are numerically identical to the size number for all sizes. The wall thicknesses for NPS 14 through 22, inclusive (DN 350–550, inclusive), of Schedule 10S; NPS 12 (DN 300) of Schedule 40S; and NPS 10 and 12 (DN 250 and 300) of Schedule 80S are not the same as those of ASME B36.10M. The suffix “S” in the schedule number is used to differentiate B36.19M pipe from B36.10M pipe. ASME B36.10M includes other pipe thicknesses that are also commercially available with stainless steel material.

The nominal weights1 of steel pipe are calculated values and are tabulated in Table 1. (a) The nominal plain end weight, in pounds per foot, is calculated using the following formula:
Wpe p 10.69(D ? t)t

where D p outside diameter to the nearest 0.001 in. (the symbol D is used for OD only in mathematical equations or formulas) Wpe p nominal plain end weight, rounded to the nearest 0.01 lb/ft t p specified wall thickness, rounded to the nearest 0.001 in. (b) The nominal plain end mass, in kilograms per meter, is calculated using the following formula:
Wpe p 0.0246615(D ? t)t

2

SIZE

The size of all pipe in Table 1 is identified by the nominal pipe size. The manufacture of pipe NPS 1?8 (DN 6) through NPS 12 (DN 300), inclusive, is based on a standardized outside diameter (OD). This OD was originally selected so that pipe with a standard OD and having a wall thickness that was typical of the period would have an inside diameter (ID) approximately equal to the nominal size. Although there is no such relation between the existing standard thicknesses — OD and nominal size — these nominal sizes and standard ODs continue in use as “standard.” The manufacture of pipe NPS 14 (DN 350) and larger proceeds on the basis of an OD corresponding to the nominal size.

6

PERMISSIBLE VARIATIONS

Variations in dimensions differ depending upon the method of manufacture employed in making the pipe to the various specifications available. Permissible variations for dimensions are indicated in each specification.

3

MATERIALS

7

PIPE THREADS

The dimensional standards for pipe described here are for products covered in ASTM specifications.

Unless otherwise specified, the threads of threaded pipe shall conform to ANSI / ASME B1.20.1, Pipe Threads, General Purpose (Inch).
1 The different grades of stainless steel have different specific densities and hence may weigh more or less than the values listed in Table 1 would indicate [see Table 1, General Note (e)].

4

WALL THICKNESS
The nominal wall thicknesses are given in Table 1.
1

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where D p outside diameter to the nearest 0.1 mm for outside diameters that are 16 in. (406.4 mm) and smaller, and 1.0 mm for outside diameters larger than 16 in. (the symbol D is used for OD only in mathematical equations or formulas) Wpe p nominal plain end mass, rounded to the nearest 0.01 kg/m t p specified wall thickness, rounded to the nearest 0.01 mm

ASME B36.19M-2004

STAINLESS STEEL PIPE

Schedules 5S and 10S wall thicknesses do not permit threading in accordance with ANSI/ASME B1.20.1.

8

WALL THICKNESS SELECTION

When the selection of wall thickness depends primarily upon capacity to resist internal pressure under given conditions, the designer shall compute the exact value

of wall thickness suitable for conditions for which the pipe is required, as prescribed in detail in the ASME Boiler and Pressure Vessel Code, ASME B31 Code for Pressure Piping, or other similar code, whichever governs the construction. A thickness shall be selected from the schedules of nominal thickness contained in Table 1 to suit the value computed to fulfill the conditions for which the pipe is desired.

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2

STAINLESS STEEL PIPE

ASME B36.19M-2004

Table 1 Dimensions of Welded and Seamless Stainless Steel Pipe and Nominal Weights of Steel Pipe, Plain End
U.S. Customary Units
NPS
1 1

OD, in.
0.405 0.405 0.405 0.405 0.540 0.540 0.540 0.540 0.675 0.675 0.675 0.675 0.840 0.840 0.840 0.840 1.050 1.050 1.050 1.050 1.315 1.315 1.315 1.315 1.660 1.660 1.660 1.660 1.900 1.900 1.900 1.900 2.375 2.375 2.375 2.375 2.875 2.875 2.875 2.875 3.500 3.500 3.500 3.500

Wall, in.
. . . (1) 0.049 (1) 0.068 0.095 . . . (1) 0.065 (1) 0.088 0.119 . . . (1) 0.065 (1) 0.091 0.126 0.065 (1) 0.083 (1) 0.109 0.147 0.065 (1) 0.083 (1) 0.113 0.154 0.065 (1) 0.109 (1) 0.133 0.179 0.065 (1) 0.109 (1) 0.140 0.191 0.065 (1) 0.109 (1) 0.145 0.200 0.065 (1) 0.109 (1) 0.154 0.218 0.083 (1) 0.120 (1) 0.203 0.276 0.083 (1) 0.120 (1) 0.216 0.300

Wpe, lb/ft
... 0.19 0.24 0.31 ... 0.33 0.43 0.54 ... 0.42 0.57 0.74 0.54 0.67 0.85 1.09 0.68 0.86 1.13 1.48 0.87 1.41 1.68 2.17 1.11 1.81 2.27 3.00 1.28 2.09 2.72 3.63 1.61 2.64 3.66 5.03 2.48 3.53 5.80 7.67 3.03 4.34 7.58 10.26

Schedule No.
5S 10S 40S 80S 5S 10S 40S 80S 5S 10S 40S 80S 5S 10S 40S 80S 5S 10S 40S 80S 5S 10S 40S 80S 5S 10S 40S 80S 5S 10S 40S 80S 5S 10S 40S 80S 5S 10S 40S 80S 5S 10S 40S 80S

SI Units
DN
6 6 6 6 8 8 8 8 10 10 10 10 15 15 15 15 20 20 20 20 25 25 25 25 32 32 32 32 40 40 40 40 50 50 50 50 65 65 65 65 80 80 80 80

OD, mm
10.3 10.3 10.3 10.3 13.7 13.7 13.7 13.7 17.1 17.1 17.1 17.1 21.3 21.3 21.3 21.3 26.7 26.7 26.7 26.7 33.4 33.4 33.4 33.4 42.2 42.2 42.2 42.2 48.3 48.3 48.3 48.3 60.3 60.3 60.3 60.3 73 73 73 73 88.9 88.9 88.9 88.9

Wall, mm
. . . (1) 1.24 (1) 1.73 2.41 . . . (1) 1.65 (1) 2.24 3.02 . . . (1) 1.65 (1) 2.31 3.20 1.65 (1) 2.11 (1) 2.77 3.73 1.65 (1) 2.11 (1) 2.87 3.91 1.65 (1) 2.77 (1) 3.38 4.55 1.65 (1) 2.77 (1) 3.56 4.85 1.65 (1) 2.77 (1) 3.68 5.08 1.65 (1) 2.77 (1) 3.91 5.54 2.11 (1) 3.05 (1) 5.16 7.01 2.11 (1) 3.05 (1) 5.49 7.62

Wpe, kg/m
... 0.28 0.37 0.47 ... 0.49 0.63 0.80 ... 0.63 0.84 1.10 0.80 1.00 1.27 1.62 1.02 1.28 1.69 2.20 1.29 2.09 2.50 3.24 1.65 2.69 3.39 4.47 1.90 3.11 4.05 5.41 2.39 3.93 5.44 7.48 3.69 5.26 8.63 11.41 4.52 6.46 11.29 15.27

?8 ?8 1 ?8 1 ?8
1 1

?4 ?4 1 ?4 1 ?4
3 3

?8 ?8 3 ?8 3 ?8
1 1

?2 ?2 1 ?2 1 ?2
3 3

?4 ?4 3 ?4 3 ?4 1 1 1 1 11?4 11?4 11?4 11?4 11?2 11?2 11?2 11?2 2 2 2 2 21?2 21?2 21?2 21?2 3 3 3 3

3

ASME B36.19M-2004

STAINLESS STEEL PIPE

Table 1 Dimensions of Welded and Seamless Stainless Steel Pipe and Nominal Weights of Steel Pipe, Plain End (Cont’d)
U.S. Customary Units
NPS
31?2 31?2 31?2 31?2 4 4 4 4 5 5 5 5 6 6 6 6 8 8 8 8 10 10 10 10 12 12 12 12 14 14 14 14 16 16 16 16 18 18 18 18 20 20 20 20
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OD, in.
4.000 4.000 4.000 4.000 4.500 4.500 4.500 4.500 5.563 5.563 5.563 5.563 6.625 6.625 6.625 6.625 8.625 8.625 8.625 8.625 10.750 10.750 10.750 10.750 12.750 12.750 12.750 12.750 14.000 14.000 14.000 14.000 16.000 16.000 16.000 16.000 18.000 18.000 18.000 18.000 20.000 20.000 20.000 20.000

Wall, in.
0.083 (1) 0.120 (1) 0.226 0.318 0.083 (1) 0.120 (1) 0.237 0.337 0.109 (1) 0.134 (1) 0.258 0.375 0.109 (1) 0.134 (1) 0.280 0.432 0.109 (1) 0.148 (1) 0.322 0.500 0.134 (1) 0.165 (1) 0.365 0.500 (2) 0.156 0.180 0.375 0.500 0.156 0.188 0.375 0.500 0.165 0.188 0.375 0.500 0.165 0.188 0.375 0.500 0.188 0.218 0.375 0.500 (1) (1) (2) (2) (1) (1), (2) (2) (2) (1) (1), (2) (2) (2) (1) (1), (2) (2) (2) (1) (1), (2) (2) (2)

Wpe, lb/ft
3.48 4.98 9.12 12.52 3.92 5.62 10.80 15.00 6.36 7.78 14.63 20.80 7.59 9.30 18.99 28.60 9.92 13.41 28.58 43.43 15.21 18.67 40.52 54.79 21.00 24.19 49.61 65.48 23.09 27.76 54.62 72.16 27.93 31.78 62.64 82.85 31.46 35.80 70.65 93.54 39.82 46.10 78.67 104.23

Schedule No.
5S 10S 40S 80S 5S 10S 40S 80S 5S 10S 40S 80S 5S 10S 40S 80S 5S 10S 40S 80S 5S 10S 40S 80S 5S 10S 40S 80S 5S 10S 40S 80S 5S 10S 40S 80S 5S 10S 40S 80S 5S 10S 40S 80S

SI Units
DN
90 90 90 90 100 100 100 100 125 125 125 125 150 150 150 150 200 200 200 200 250 250 250 250 300 300 300 300 350 350 350 350 400 400 400 400 450 450 450 450 500 500 500 500

OD, mm
101.6 101.6 101.6 101.6 114.3 114.3 114.3 114.3 141.3 141.3 141.3 141.3 168.3 168.3 168.3 168.3 219.1 219.1 219.1 219.1 273.1 273.1 273.1 273.1 323.9 323.9 323.9 323.9 355.6 355.6 355.6 355.6 406.4 406.4 406.4 406.4 457 457 457 457 508 508 508 508

Wall, mm
2.11 (1) 3.05 (1) 5.74 8.08 2.11 (1) 3.05 (1) 6.02 8.56 2.77 (1) 3.40 (1) 6.55 9.53 2.77 (1) 3.40 (1) 7.11 10.97 2.77 (1) 3.76 (1) 8.18 12.70 3.40 (1) 4.19 (1) 9.27 12.70 (2) 3.96 (1) 4.57 (1) 9.53 (2) 12.70 (2) 3.96 (1) 4.78 (1), (2) 9.53 (2) 12.70 (2) 4.19 (1) 4.78 (1), (2) 9.53 (2) 12.70 (2) 4.19 (1) 4.78 (1), (2) 9.53 (2) 12.70 (2) 4.78 (1) 5.54 (1), (2) 9.53 (2) 12.70 (2)

Wpe, kg/m
5.18 7.41 13.57 18.64 5.84 8.37 16.08 22.32 9.46 11.56 21.77 30.97 11.31 13.83 28.26 42.56 14.78 19.97 42.55 64.64 22.61 27.79 60.31 81.56 31.25 35.99 73.88 97.47 34.34 41.36 81.33 107.40 41.56 47.34 93.27 123.31 46.79 53.31 ... ... 59.32 68.65 117.15 155.13

4

STAINLESS STEEL PIPE

ASME B36.19M-2004

Table 1 Dimensions of Welded and Seamless Stainless Steel Pipe and Nominal Weights of Steel Pipe, Plain End (Cont’d)
U.S. Customary Units
NPS
22 22 22 22 24 24 24 24 30 30 30 30

OD, in.
22.000 22.000 22.000 22.000 24.000 24.000 24.000 24.000 30.000 30.000 30.000 30.000

Wall, in.
0.188 (1) 0.218 (1), (2) ... ... 0.218 0.250 0.375 0.500 (1) (1) (2) (2)

Wpe, lb/ft
43.84 50.76 ... ... 55.42 63.47 94.71 125.61 79.51 99.02 ... ...

Schedule No.
5S 10S 40S 80S 5S 10S 40S 80S 5S 10S 40S 80S

SI Units
DN
550 550 550 550 600 600 600 600 750 750 750 750

OD, mm
559 559 559 559 610 610 610 610 762 762 762 762

Wall, mm
4.78 (1) 5.54 (1), (2) ... ... 5.54 (1) 6.35 (1) 9.53 (2) 12.70 (2) 6.35 (1) 7.92 (1) ... ...

Wpe, kg/m
65.33 75.62 ... ... 82.58 94.53 141.12 187.07 118.34 147.29 ... ...

0.250 (1) 0.312 (1) ... ...

GENERAL NOTES: (a) 1 in. p 25.4 mm. (b) For tolerances, see para. 6. (c) 1 lb/ft p 1.4895 kg/m. (d) Weights are given in pounds per linear foot (kilograms per meter) and are for carbon steel pipe with plain ends. (e) The different grades of stainless steel permit considerable variations in weight. The ferritic stainless steels may be about 5% less, and the austenitic stainless steels about 2% greater, than the values shown in this Table, which are based on weights for carbon steel. NOTES: (1) These wall thicknesses do not permit threading in accordance with ANSI/ASME B1.20.1. (2) These dimensions do not conform to ASME B36.10M.

5

AMERICAN NATIONAL STANDARDS FOR PRODUCT SIZES

Preferred Metric Sizes for Flat Metal Products. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B32.3M-1984(R1994) Preferred Metric Sizes for Round, Square, Rectangle and Hexagon Metal Products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B32.4M-1980(R1994) Preferred Metric Sizes for Tubular Metal Products Other Than Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B32.5-1977(R1994) Welded and Seamless Wrought Steel Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B36.10M-2004 Stainless Steel Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B36.19M-2004

The ASME Publications Catalog shows a complete list of all the Standards published by the Society. For a complimentary catalog, or the latest information about our publications, call 1-800-THE-ASME (1-800-843-2763).

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ASME B36.19M-2004

M01304


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asme b36.19m | asme b36.19m中文版 | asme b36.19m 2015 | asme b36.19m 2016 | asme b36.19 | asme b36.19中文版 | b36.19m | b36.19m 2015 |