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本文(MSS SP-58-2009 Pipe Hangers and Supports C Materials Design Manufacture Selection Application and Installation (SP-58-2009 incorporates contents of ANSI MSS SP-69-2003 MSS SP-77-19.pdf)为本站会员(roleaisle130)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

MSS SP-58-2009 Pipe Hangers and Supports C Materials Design Manufacture Selection Application and Installation (SP-58-2009 incorporates contents of ANSI MSS SP-69-2003 MSS SP-77-19.pdf

1、 ANSI/MSS SP-58-2009 Pipe Hangers and Supports Materials, Design, Manufacture, Selection, Application, and Installation Incorporates the Contents of: ANSI/MSS SP-69-2003 MSS SP-77-1995 (R 2000) MSS SP-89-2003 MSS SP-90-2000 Standard Practice Developed and Approved by the Manufacturers Standardizatio

2、n Society of the Valve and Fittings Industry, Inc. 127 Park Street, NE Vienna, Virginia 22180-4602 Phone: (703) 281-6613 Fax: (703) 281-6671 E-mail: infomss-hq.org www.mss-hq.org MSS MSS STANDARD PRACTICE SP-58iThis MSS Standard Practice was developed under the consensus of the MSS Technical Committ

3、ee 403 and the MSS Coordinating Committee. In addition, this Standard Practice was approved by an ANSI/MSS Consensus Committee and by ANSI as an American National Standard. The content of this Standard Practice is the resulting efforts of competent and experienced volunteers to provide an effective,

4、 clear, and non-exclusive standard that will benefit the industry as a whole. This MSS Standard Practice describes minimal requirements and is intended as a basis for common practice by the manufacturer, the user, and the general public. The existence of an MSS Standard Practice does not in itself p

5、reclude the manufacture, sale, or use of products not conforming to the Standard Practice. Mandatory conformance to this Standard Practice is established only by reference in other documents such as a code, specification, sales contract, or public law, as applicable. MSS has no power, nor does it un

6、dertake, to enforce or certify compliance with this document. Any certification or other statement of compliance with the requirements of this Standard Practice shall not be attributable to MSS and is solely the responsibility of the certifier or maker of the statement. “Unless indicated otherwise w

7、ithin this MSS Standard Practice, other standards documents referenced to herein are identified by the date of issue that was applicable to this Standard Practice at the date of approval of this MSS Standard Practice (see Annex C). This Standard Practice shall remain silent on the validity of those

8、other standards of prior or subsequent dates of issue even though applicable provisions may not have changed.” By publication of this Standard Practice, no position is taken with respect to the validity of any potential claim(s) or of any patent rights in connection therewith. MSS shall not be held

9、responsible for identifying any patent rights. Users are expressly advised that determination of patent rights and the risk of infringement of such rights are entirely their responsibility. In this Standard Practice, all text, notes, annexes, tables, figures, and references are construed to be essen

10、tial to the understanding of the message of the standard, and are considered normative unless indicated as “supplemental”. All appendices, if included, that appear in this document are construed as “supplemental”. Note that supplemental information does not include mandatory requirements. U.S. custo

11、mary units in this Standard Practice are the standard; the (SI) metric units are for reference only. This document has been substantially revised and reformatted from the previous 2002 edition, INCLUDING THE INCORPORATION OF ANSI/MSS SP-69, MSS SP-77, MSS SP-89, AND MSS SP-90. It is suggested that i

12、f the user is interested in knowing what changes have been made, that direct page by page comparison should be made of this document and that of the previous edition. Non-toleranced dimensions in this Standard Practice are nominal, and, unless otherwise specified, shall be considered “for reference

13、only”. Excerpts of this Standard Practice may be quoted with permission. Credit lines should read Extracted from ANSI/MSS SP-58-2009 with permission of the publisher, Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. Reproduction and/or electronic transmission or dissemi

14、nation is prohibited under copyright convention unless written permission is granted by the Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. All rights reserved. Originally Published: September 1959 Current Edition Published by MSS: October 2009 Current Edition Approved

15、 by ANSI: May 2011 Current ANSI/MSS Edition Published: October 2011 MSS is a trademark of the Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. Copyright , 2009 by Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. Printed in U.S.A. MSS STANDA

16、RD PRACTICE SP-58iiFOREWORD This Standard Practice was developed by a cooperative effort of representatives of pipe hanger manufacturers. It is based on “best practice” current at this time and on the collective experience of the industry. There is a companion Standard Practice, MSS SP-127, which re

17、lates to the design, selection, and application of bracing for piping systems subject to seismic wind dynamic loading. This American National Standard edition, ANSI-approved and published in 2011, is substantively consistent with the currently available 2009 MSS-only edition and will utilize this 20

18、09 year in its nomenclature. Substantive revisions will be applied to the next version that involves an accelerated revision cycle timeline, with a goal of having one unified and consistent ANSI/MSS Standard Practice. Notice: This SP-58-2009 “comprehensive” edition integrates the content of a revise

19、d MSS SP-58 with ANSI/MSS SP-69-2003, MSS SP-77-1995 (R 2000), MSS SP-89-2003, and MSS SP-90-2000 into a single source document; enabling the user to specify a minimum level of acceptance for pipe hanger design and performance, in addition to defining the types of hangers and supports. The aforement

20、ioned SP-69 will not be revised and SP-77, 89, and 90 were withdrawn in 2010. This SP-58-2009 edition can officially be utilized and referenced in place of the aforementioned Standard Practices. MSS STANDARD PRACTICE SP-58iiiTABLE OF CONTENTS SECTION PAGE FOREWORD ii 1 SCOPE 1 2 OBJECTIVE . 1 3 MATE

21、RIALS 1 4 ALLOWABLE STRESSES, LOAD RATINGS, AND TEMPERATURES 3 5 PIPING SYSTEMS . 7 6 GENERAL REQUIREMENTS 11 7 PRODUCT DESIGN 13 8 SPRING DESIGN . 16 9 TOLERANCES. 19 10 PROTECTIVE COATINGS . 20 11 TESTING OF HANGER COMPONENTS 21 12 MANUFACTURE AND FABRICATION . 22 13 PACKAGING, MARKING, SHIPPING,

22、RECEIVING including pipe attachment, rod, fixtures, and building attachment. Notes: a. See Section 4 for allowable stresses and temperatures. b. Normal temperature range is -20F to 650F (-29C to 343C) for carbon steel, -20F to 450F (-29C to 231C) for malleable iron and -20F to 400F (-29C to 204C) fo

23、r gray iron. c. See Section 7.2.1 for minimum rod diameter restrictions. d. For loads greater than those tabulated, hanger component load ratings shall be established by the manufacturer. Design shall be in accordance with all criteria as outlined in this document. e. Pipe attachment ratings for tem

24、perature ranges between 650F to 750F (343C to 398C) shall be reduced by the ratio of allowable stress at service temperature to the allowable stress at 650F (343C). f. For services over 750F (398C), attachments in direct contact with the pipe shall be designed to allowable stresses listed in Tables

25、A2 and A2M. Nominal Pipe or Tube Size Minimum Design Load Ratings at Normal Temperature Range(b)NPS - Inch DN - mm Pounds kN 3/8 10 150 0.67 1/2 15 150 0.67 3/4 20 150 0.67 1 25 150 0.67 1 1/4 32 150 0.67 1 1/2 40 150 0.67 2 50 150 0.67 2 1/2 65 150 0.67 3 80 200 0.89 3 1/2 90 210 0.93 4 100 250 1.1

26、1 5 125 360 1.60 6 150 480 2.14 8 200 760 3.38 10 250 1120 4.98 12 300 1480 6.58 14 350 1710 7.61 16 400 2130 9.47 18 450 2580 11.48 20 500 3060 13.61 24 600 3060 13.61 30 750 3500 15.57 MSS STANDARD PRACTICE SP-5834. ALLOWABLE STRESSES, LOAD RATINGS, AND TEMPERATURES 4.1 The maximum allowable tensi

27、le stress for materials commonly used in the design of pipe hangers and supports are listed in Tables A2 and A2M. Allowable values for the types of stress stated in Sections 4.1.1 through 4.1.5 shall be computed by multiplying the maximum allowable tensile stress by the applicable factor. Materials

28、should not be used above the highest temperature for which a stress value appears. 4.1.1 Tension: Factor a) On the gross area 1.0 b) On the net section at pin holes 0.9 4.1.2 Bending 1.0 4.1.3 Shear 0.8 4.1.4 Bearing 1.5 4.1.5 Compression 1.0 (max) Allowable compressive stress must be reduced on the

29、 basis of structural stability and buckling (column action). 4.1.6 Combined Stress Check Stress in Tension or Compression + Stress in Bending 1.0 Allowable Tension or Compression Allowable Bending 4.2 Maximum allowable shear stress in welds shall be limited to 80% of the maximum allowable stress of

30、the weaker of the base metals being joined. Maximum allowable tension and bending stresses in welds shall be limited to the maximum allowable stress of the weaker of the base metals being joined. 4.3 Higher allowable stresses under well defined short-term loading conditions shall be as designated by

31、 the applicable codes. 4.4 Steel metal framing channel conforming to Metal Framing Standards Publication (MFMA-4) by Metal Framing Manufacturers Association shall have a maximum design stress of 25ksi (172 MPa) and a temperature range of -20F to 650F (-29C to 232C). 4.5 Allowable stresses for materi

32、als not listed in Tables A2 and A2M, produced in accordance with a recognized specification and with known physical properties shall be determined as the lower of the following values: a) 29% of minimum tensile strength at service temperature. b) 67% of minimum yield strength at service temperature.

33、 c) Such materials shall not be used where temperatures exceed 650oF (345oC) and shall not be welded to the piping or piping component. d) Refer to Section 6 for application specific considerations. 4.6 Allowable stresses for cast materials calculated in accordance with Section 4.5 shall be reduced

34、by a casting quality factor of 20%. Allowable stress for gray iron castings shall be limited to 10% of minimum specified tensile strength. 4.7 For steel materials of unknown specification, a stress value of 30% of yield strength (0.2% offset) at room temperature may be used. The yield strength shall

35、 be established by tensile testing a sample of material in accordance withASTM A 370. The value corresponding to a 0.2% permanent strain (offset) is the material yield strength. The stress value so established shall not exceed 9500 psi (65.5 MPa). 4.8 Load ratings for the threaded hanger rods made f

36、rom carbon steel are shown in Tables 2 and 2M. Load ratings for hanger rods made from all other materials shall be based on the thread root area with a 25% reduction of the allowable stress. (The 25% reduction is to allow for normal installation and service conditions.) 4.9 Forged eye rods, and form

37、ed and welded eye rods shall have load capacities at least equal to those determined in accordance with Section 4.8 for the same nominal diameter. Formed but not welded eye rods shall have load capacities not greater than 40% of those determined in accordance with Section 4.8 for the same nominal di

38、ameter. MSS STANDARD PRACTICE SP-5844.10 Capacities for U-bolts, loaded in tension, shall be limited to twice the capacity of hanger rods of the same material and diameter. 4.11 All threaded items, both external and internal, not covered by Sections 4.8, 4.9 or 4.10 need not be subjected to the 25%

39、stress reduction. 4.12 Design temperature of hanger components in direct contact with the pipe shall be the temperature of the contained fluid. For conventional high temperature piping installations, a reduction in temperature of 100oF/in (2.2oC/mm) as measured from the outer pipe surfaces may be ap

40、plied for strength calculations and material requirements. Alloy bolting within insulation may be furnished with ASTM A 194 Grade 2H nuts for line temperatures not exceeding 1050oF (566oC). 4.13 The compressive loading of non-metallic material shall be limited to the compression capacity of the mate

41、rial as rated in accordance with the governing ASTM specification for the specific material utilized with an appropriate safety factor for the specific material used. MSS STANDARD PRACTICE SP-585TABLE 2 Load Ratings of Carbon Steel Threaded Hanger Rods (For metric rod sizes see Table 2M.) Nominal Ro

42、d Diameter Root Area of Thread Maximum Safe Load at Rod Temperature of 650F (343C) Notes: a. For materials other than carbon steel, see requirements of Section 4.8 and Table A2. b. Tabulated loads are based on a minimum actual tensile stress of 50ksi (345MPa) divided by a safety factor of 3.5, reduc

43、ed by 25% resulting in an allowable stress of 10.7ksi. (The 25% reduction is to allow for normal installation and service conditions.) c. Root area threads are based upon the following thread series: diameter 4” and belowcoarse thread (UNC) diameter above 4”4 thread (4-UN) Inch in2Pounds kN 3/8 .067

44、8 730 3.23 1/2 .126 1350 5.98 5/8 .202 2160 9.61 3/4 .302 3230 14.4 7/8 .419 4480 19.9 1 .551 5900 26.2 1 1/4 .890 9500 42.4 1 1/2 1.29 13800 61.6 1 3/4 1.74 18600 82.8 2 2.30 24600 109 2 1/4 3.02 32300 144 2 1/2 3.72 39800 177 2 3/4 4.62 49400 220 3 5.62 60100 267 3 1/4 6.72 71900 320 3 1/2 7.92 84

45、700 377 3 3/4 9.21 98500 438 4 10.6 114000 505 4 1/4 12.1 129000 576 4 1/2 13.7 146000 652 4 3/4 15.4 165000 733 5 17.2 184000 819 MSS STANDARD PRACTICE SP-586TABLE 2M Load Ratings of Carbon Steel Threaded Hanger Rods (For inch rod sizes see Table 2.) Nominal Rod Diameter Root Area of Thread Maximum

46、 Safe Load at Rod Temperature of 650F (343C) Notes: a. For materials other than carbon steel, see requirements of Section 4.8 and Table A2M. b. Tabulated loads are based on a minimum actual tensile stress of 345MPa divided by a safety factor of 3.5, reduced by 25% resulting in an allowable stress of

47、 73.9MPa. (The 25% reduction is to allow for normal installation and service conditions.) mm mm2* kN Pounds M10 49.49 3.66 820 M12 72.40 5.35 1200 M16 138.3 10.2 2300 M20 217.1 16.0 3610 M24 312.8 23.1 5200 M30 503.0 37.2 8300 M36 738.0 54.5 12300 M42 1018 75.2 16900 M48 1343 99.2 22300 M56x4 2014 1

48、49 33500 M64x4 2701 200 44900 M68x4 3082 228 51200 M72x4 3488 258 58000 M80x4 4376 323 72700 * M10-M48 are based on minimum root diameters for standard coarse thread class 6g. Taken from ASME B1.13M for metric thread forms. MSS STANDARD PRACTICE SP-5875. PIPING SYSTEMS 5.1 Temperature 5.1.1 This sec

49、tion establishes an identification of piping systems according to the operating (service) temperatures of the piping contents for the purpose of pipe hanger and support selection. a) Hot Systems A-1. 120F (49C) to 450F (232C) A-2. 451F (233C) to 750F (399C) A-3. Over 750F (399C) b) Ambient Systems B. 60F (16C) to 119F (48C) c) Cold Systems C-1. 33F (1C) to 59F (15C) C-2. -19F (-28C) to 32F (0C) C-3. -39F (-39C) to -20F (-29C) C-4. -40F (-40C) and below (Cryogenic Range) 5.1.2 Typical product types for

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