ASTM A554-2008 焊接的无缝钢机械管

a Designation: A 554 - 08 ~ud __ INT.!!~!!ONA~ Standard Specification for Welded Stainless Steel Mechanical TUbing1 This standard is issued under the fixed designation A 554; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reappr~val. A superscript epsilon (E) indicates an editorial change since the last revision or reapproval. This standard has been approved for use by agencies of the Depal1ment of Defense. 1. Scope· 1.1 This specification covers welded stainless steel tubing for mechanical applications where appearance, mechanical properties, or corrosion resistance is needed. The grades covered are listed in Table 1. 1.2 This specification covers as-welded or cold-reduced mechanical tubing in sizes to 16 in. (406.4 mm) outside dimension, and in wall thicknesses 0.020 in. (0.51 mm) and over. 1.3 Tubes shall be furnished in one of the following shapes as specified by the purchaser: round, square, rectangular, or special. 1.4 Supplementary requirements of an optional nature are provided and when desired shall be so stated in the order. 1.5 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only. 2. Referenced Documents 2.1 ASTM Standards: 2 A 370 Test Methods and Definitions for Mechanical Testing of Steel Products E 30 Test Methods for Chemical Analysis of Steel, Cast Iron, Open-Hearth Iron, and Wrought Iron3 E 59 Practice for Sampling Steel and Iron for Determination of Chemical Composition3 2.2 Military Standards: MIL-STD-129 Marking for Shipment and Storage4 I This specification is under the jurisdiction of ASTM Committee AOI on Steel. Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee AOl.lO on Stainless and Alloy Steel Tubular Products. Current edition approved March I, 2008. Published March 2008. Originally approved in 1965. Last previous edition approved in 2003 as A 554 - 03. 2 For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astrn.org. For Annual Book of ASTM Standards volume information, refer to the standard's Document Summary page on the ASTM website. 3 Withdrawn. 4 Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700 Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS. lVUL-STD-163 Steel Mill Products Preparation for Ship­ ment and Storage4 2.3 Federal Standard: Fed. Std. No. 123 Marking for Shipments (Civil Agencies)4 3. Ordering Information 3.1 Orders for material under this specification should include the following. as required, to describe the desired material adequately: 3.1.1 Quantity (feet, mass, or number of pieces), 3.1.2 Name of material (welded stainless steel mechanical tubing), 3.1.3 Form (round, square, rectangular, special, see 1.3), 3.1.4 Dimensions: 3.1.4.1 Round-outside diameter and wall thickness for all conditions (Section 8). Alternatively, for cold-reduced condi­ tion. outside diameter and inside diameter or inside diameter and wall dimensions may be specified, 3.1.4.2 Square and rectangular outside dimensions and wall thickness (see 9.1), 3.1.4.3 Special (to be specified), 3.1.5 Length (mill lengths, cut lengths, or multiple lengths (see 8.3», 3.1.6 Grade (Table 1), 3.1.7 Condition (see 6.1), 3.1.8 Inside diameter bead condition (see 6.2), 3.1.9 Surface finish (see Section 11), 3.1.10 Report of chemical analysis, if required (Section 7), 3.1.11 Individual supplementary requirements, if required, 3.1.12 End use, 3.1.13 Specification designation, 3.1.14 Special requirements, 3.1.15 Special marking (Section 14), and 3.1.16 Special packing (Section 15). 4. Process 4.1 The steel may be made by any process. 4.2 If a specific type of melting is required by the purchaser, it shall be stated on the purchase order. *A Summary of Changes section appears at the end of this standard. Copy"ght©ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States. TcstinR and Materials ("ASTM") ,108 Barr , ,~,,' I ".\)1 1'.\ 19~28, United States of Amc',-ica. Till~, CC;:'~' E~!lC~;U of StJndJrcs. Metrology ~lr;d L';:TS':'~:, __ ~:, " Mi,:;"~, uEclcr licwc: from AST:'l" ww w. bz fx w. co m 免费网(www.freebz.net) 标准最全面 免费标准网(www.freebz.net) 无需注册 即可下载 cO A 554-08 Grade Carbon, max Manga­ nese, max Phos­ phorus, max TABLE 1 Sulfur, max Chemical Requirements Composition, % Silicon, Nickel max Austenitic Chromium Molybdenum Titanium Columbium + Tantalum MT-301 MT-302 MT-304 MT-304L MT-305 MT-309S MT·309S·Cb MT·31OS MT·316 MT·316L MT·317 MT·321 MT·330 MT·347 0.15 0.15 0.08 0.03SA 0.12 0.08 0.08 0.08 0.08 0.03SA 0.08 0.08 0.15 0.08 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 0.040 0.040 0.040 0.040 0.040 0.040 0.040 0.040 0.040 0.040 0.040 0.040 0.040 0.040 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Ferritic 6.o-a.0 8.0-10.0 8.0-11.0 8.0-13.0 10.0-13.0 12.0-15.0 12.0-15.0 19.0-22.0 10.0-14.0 10.0-15.0 11.0-14.0 9.0-13.0 33.0-36.0 9.0-13.0 16.0-18.0 17.0-19.0 18.0-20.0 18.0-20.0 17.0-19.0 22.0-24.0 22.0-24.0 24.0-26.0 16.0-18.0 16.0-18.0 18.0-20.0 17.0-20.0 14.0-16.0 17.0-20.0 2.0-3.0 2.0-3.0 3.0-4.0 ... c ... B ... B MT·429 MT·430 MT·430·n 0.12 0.12 0.10 1.00 1.00 100 0.040 0.040 0.040 0.030 0.030 0.030 1.00 1.00 1.00 0.50 max 0.50 max 0.075 max 14.0-16.0 16.0-18.0 16.0-19.5 5 x C min, 0.75 max A For small diameter or thin walls, or both, where many drawing passes are required, a carbon content of 0.040 % max is necessary in grades MT·304L and MT·316L. Small outside diameter tubes are defined as those less than 0.500 in. (12.7 mm) in outside diameter and light wall tubes as those less than 0.049 in. (1.24 mm) in average wall thickness. B The columbium plus tantalum content shall be not less than ten times the carbon content and not more than 1.00 %. C The titanium content shall be not less than live times the carbon content and not more than 0.60 %. 4.3 The primary melting may incorporate separate degas­ 7. Heat Analysis sing or refining and may be followed by secondary melting, 7.1 An analysis of each heat of steel shall be made by the such as electroslag remelting or vacuum-arc remelting. If steel manufacturer to determine the percentages of the ele­ secondary melting is employed, the heat shall be defined as all ments specified. If secondary melting processes are employed, of the ingots remelted from a single primary heat. the heat analysis shall be obtained from one remelted ingot or 4.4 Steel may be cast in ingots or may be strand cast. When the product of one remelted ingot of each primary melt. The steel of different grades are sequentially strand cast, identifi­ chemical composition thus deternlined, or that detenninedcation of the resultant transition material is required. The from a product analysis made by the tubular product manufac­producer shall remove the transition material by an established turer, shall conform to requirements specified. When requested procedure that positively separates the grades. in the order or contract, a report of this analysis shall be furnished to the purchaser. (See Test Methods E 30 and5. Materials and Manufacture Practice E 59.) 5.1 The tubes shall be made from flat-rolled steel by an automatic welding process without the addition of filler metal. 8. Permissible Variations in Dimensions-Round Tubing 6. Condition 8.1 For all conditions except tubing with bead removed, Table 2 shall apply. 6.1 The tubes shall be furnished In any of the following conditions as specified: 8.2 For tubing with bead removed, Table 3 shall apply. 6.1.1 As welded, 8.3 Lengths-Tubing is normally furnished in mill lengths 5 6.1.2 Welded and annealed, it (1.5 m) and over. Definite cut lengths are furnished when 6.1.3 Cold reduced, specified, to the length tolerances shown in Table 4. For tubing 6.1.4 Cold reduced and annealed. ordered in multiple lengths, it is common practice to allow a 6.2 The inside diameter bead shall be furnished in any of the definite amount over for each multiple for the purchaser's following conditions as specified: cutting operation. Thus cutting allowance should be specified 6.2.1 Bead not removed, in the purchase order. 6.2.2 Bead controlled to 0.005 in. (0.13 mm) or 15 % of the 8.4 Straightness Tolerance-The straightness tolerance specified wall thickness, whichever is greater, and shall be 0.030 in. (0.76 mm) maximum in any 3-ft (0.9-m) 6.2.3 Bead removed. length of tubing. The straightness tolerance on shorter lengths 6.3 Square and rectangular welded stainless tubing is sup­ and on special requirements shall be agreed upon between the plied as cold worked unless otherwise specified. purchaser and producer. 2 ww w. bz fx w. co m 免费标准网(www.freebz.net) 标准最全面 免费标准网(www.freebz.net) 无需注册 即可下载 (0 A554-08 TABLE 2 Diameter, Wall,A and Ovallty Tolerances (All Conditions Except Tubing with Bead Removed) NOTE l-Ovality is the difference between maximum and minimum outside diameters measured at anyone cross section. There is no additional tolerance for ovality on tubes having a specified wall thickness of more than 3 % of the outside diameter. NOTE 2-For sizes up to and including 5-in. (127 .O-mm) outside diameter, an ovality tolerance of twice the tabular outside diameter tolerance spread shown is applied one half plus and one half minus to tubes having a specified wall thickness of 3 % or less of the specified outside diameter. The average of the maximum and minimum outside diameter readings should fall within the outside diameter tolerances as shown in this table. NOTE 3-For sizes over 5-in. (127.0-mm) to and including l6-in. (406.4-mm) outside diameter, when the specified wall thickness is 3 % or less of the outside diameter, the ovality shall not exceed 1.5 % of the specified outside diameter. Wall Thickness 00, ::: 00 Size, in. (mm) in. mm in. mm Under '12 (12.7) 0.020 to 0.049 0.51 to 1.24 0.004 0.10 '12 to 1 (12.7 to 25.4) 0.020 to 0.065 0.51 to 1.65 0.005 0.13 '12 to 1 (12.7 to 25.4) over 0.065 to 0.134 over 1.65 to 3.40 0.010 0.25 Over 1 to 1 '12 (25.4 to 38.1), incl 0.025 to 0.065 0.64 to 1.65 0.008 0.20 Over 1 to 1 '12 (25.4 to 38.1), incl over 0.065 to 0.134 over 1.65 to 3.40 0.010 0.25 Over 1 '12 to 2 (38.1 to 50.8), incl 0.025 to 0.049 0.64 to 1.24 0.010 0.25 Over 1 '12 to 2 (38.1 to 50.8), incl over 0.049 to 0.083 over 1.24 to 2.11 0.011 028 Over 1 'I.< to 2 (38.1 to 50.8), incl over 0.083 to 0.149 over 2.11 to 3.78 0.012 030 Over 2 to 2 '12 (50.8 to 63.5), incl 0.032 to 0.065 0.81 to 1.65 0.012 0.30 Over 2 to 2 '12 (50.8 to 63.5), incl over 0.065 to 0.109 over 1.65 to 2.77 0.013 0.33 Over 2 to 2 '12 (50.8 to 63.5), incl over 0.109 to 0.165 over 2.77 to 4.19 0.014 036 Over 2 '12 to 3 '12 (63.5 to 88.9), incl 0.032 to 0.165 0.81 to 4.19 0.014 0.36 Over 2 '1.< to 3 '/2 (63.5 to 88.9), incl over 0.165 over 4.19 0.020 0.51 Over 3'1.< to 5 (88.9 to 127.0), incl 0.035 to 0.165 0.89 to 4.19 0.020 0.51 Over 3'12 to 5 (88.9 to 127.0), incl over 0.165 over 4.19 0.025 0.64 Over 5 to 7 '12 (127.0 to 190.5). incl 0.049 to 0.250 1.24 to 6.35 0.025 0.64 Over 5 to 7 '12 (127.0 to 190.5), incl over 0.250 over 6.35 0.030 0.76 Over 7 '12 to 16 (190.5 to 406.4), incl all all 0.00125 in.lin. or mmlmm ot circumference A Wall tolerance::: 1a% of specified wall thickness. TABLE 3 Diameter, WalV and Ovallty Tolerances for Tubing TABLE 4 Length Variations-Cut Length Tubes with Bead Removed Outside Permissible Variations Diameter, in Length, in.NOTE l-Ovality is the difference between maximum and minimum Length, It (m) in. (mm) outside diameters measured at anyone cross section. There is no Over' Under additional tolerance for ovality on tubes having a specified wall thickness in. mm of more than 3 % of the outside diameter. 4 (1.2) and under up to 2 (50.8), incl lAs 1.6 a NOTE 2-An ovality allowance of twice the outside diameter tolerance, over 2 to 4 (50.8 to :V32 2.4 a shown in this table, is applied one half plus and one half minus to the 101.6). incl outside diameter, for tubes having a specified wall thickness of 3 % or less over 4 (101.6) 'I. 3.2 a of the specified outside diameter. The average of the maximum and minimum outside diameter readings should fall within the outside Over 4 to 10 (1.2 to up to 2 (50.8), incl :V32 2.4 a 3.0), incldiameter tolerances of this table. over 2 (50.8) 'I. 3.2 a NOTE 3-Tubing may be specified to only two of the three following dimensions---outside diameter, inside diameter, or wall. Over 10 to 24 (3.0 to all sizes :v,. 4.8 a 00 Size, in. (mm) DO, ::: 10, ::: 7.3), incl in. mm in. mm Up to %2 (2.4), excl 0.001 0.03 0.001 0.03 :V32 to :v,. (2.4 to 4.8), excl 0.0015 0.038 0.0015 0.038 :v,. to 'h (4.8 to 12.7), excl 0.003 0.08 0.005 0.13 'h to 1 (12.7 to 25.4), excl 0.004 0.10 0.006 0.15 1 to 1V2 (25.4 to 38.1), 0.005 0.13 0.007 0.18 excl 1 'h to 2 (38.1 to 50.8), 0.006 0.15 0.008 0.20 exel 2 to 2 '12 (50.8 to 63.5), 0.007 0.18 0.010 0.25 exel 2 '1.< to 3 '12 (63.5 to 88.9), 0.010 0.25 0.014 0.36 exel 3 '12 to 5 (88.9 to 127.0), 0.015 0.38 0.020 0.51 incl Over 5 to 16 (127.0 to 0.00125 in.lin. or 0.0013 in.lin. or 406.4), incl mm/mm of cir- mm/mm of cir­ cumference cumference A Wall tolerance is ::: 1a % of specified wall thickness. A For all diameters in lengths over 24 It (7.3 m), en additional over tolerance of Va in. (3.2 mm) for each 10 It (3.0 m) or fraction thereof shall be permissible, up to a tolerance of '12 in. (12.7 mm), max. 9. Permissible Variations in Dimensions-Square and Rectangular Thbing 9, I For this tubing, variations in dimensions from those specified shall not exceed the amounts prescribed in Table 5, For lengths, see 8.3. For the measurement of corner radii in Table 5, refer to Fig, 1. 10. Workmanship, Finish, and Appearance 10. I Finished tubes shall have smooth ends free of burrs. They shall be free of injurious defects and shall have a workmanlike finish. Surface imperfections such as handling marks, straightening marks, light mandrel and die marks, shallow pits, and scale patterns will not be considered as serious defects, provided the imperfections are removable within 10 % of the specified wall or 0.002 in. (0.05 mm), 3 t" ~ .' , " \- npynJ~:lt A!l1Crr:-~(~:1 i j:,,' i)riv(, ''.\':~''>: l"l: 'I:' ~ \' \, ~. " ww w. bz fx w. co m 免费标准网(www.freebz.net) 标准最全面 免费标准网(www.freebz.net) 无需注册 即可下载 (0 A554-08 TABLE 5 Square and Rectangular Tubing Outside Dimension Tolerances Largest Specified Outside Wall Thick­ :!, in. (mm), Dimension Across Flats, ness, in. across Flats, in. (mm) (mm) Convexity or Concavity, Incl To 1 V. (31.8), incl all 0.D15 (0.38) Over 1 'I. to 2 'f.! (31.8 to 63.5), incl all 0.020 (0.51) Over 2 'h to 5 '12 (63.5 to 139.7), incl all 0.030 (0.76) Over 5'12 to B (139.7 to 203.2), incl all 0.060 (1.52) Wall Thickness Tolerance :': 10 % 01 specified wall thickness Maximum Radii of Corners See Fig. 1 Radii 01 Corners,Wall Thickness, in. (mm) max, in. (mm) !tl>l!""" radl of com~s (1~l'Jle 5) fa- th~ prpoS€' of tWs staMant tIt~ Clrfli'r Ndils I; deFloled as IN? [HfCtf.l' Corner RtlliJs (ECRl, .hich Is fqual to half tt>1 diffurnc~ ~twir1 th2 '~one width' o.nd th2 'wi(/th af tile not'. ________ (4.00O'fr-ofle wldthI .-------(3,OO~th of b flot --I ECR ~ ~ ECR Ir-~""'"/-"...-------+-------­t//~----+----~ ... ... Nckness (250) FIGURE I ECR = (T\&>e Vidih) - (\/jd~h of F1~ t) 2 for ills 4' IlOie -sh