1、Designation: A 519 06Standard Specification forSeamless Carbon and Alloy Steel Mechanical Tubing1This standard is issued under the fixed designation A 519; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision.
2、A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense. This standard replaces QQ-T-00825 and QQ-T-830.1. Scope*1.1 Th
3、is specification covers several grades of carbon andalloy steel seamless mechanical tubing. The grades are listed inTables 1-3. When welding is used for joining the weldablemechanical tube grades, the welding procedure shall be suit-able for the grade, the condition of the components, and theintende
4、d service.1.2 This specification covers both seamless hot-finishedmechanical tubing and seamless cold-finished mechanicaltubing in sizes up to and including 1234 in. (323.8 mm) outsidediameter for round tubes with wall thicknesses as required.1.3 The tubes shall be furnished in the following shapes,
5、 asspecified by the purchaser: round, square, rectangular, andspecial sections.1.4 Supplementary requirements of an optional nature areprovided and when desired shall be so stated in the order.1.5 The values stated in inch-pound units are to be regardedas the standard. The values given in parenthese
6、s are forinformation only.2. Referenced Documents2.1 ASTM Standards:2A 370 Test Methods and Definitions for Mechanical Testingof Steel ProductsA 1040 Guide for Specifying Harmonized Standard GradeCompositions for Wrought Carbon, Low-Alloy, and AlloySteelsE59 Practice for Sampling Steel and Iron for
7、Determinationof Chemical Composition32.2 Military Standards:1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel, and Related Alloys and is the direct responsibility of SubcommitteeA01.09 on Carbon Steel Tubular Products.Current edition approved Oct. 1, 2006.
8、Published October 2006. Originallyapproved in 1964. Last previous edition approved in 2003 as A 519 03.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards
9、 Document Summary page onthe ASTM website.3Withdrawn.TABLE 1 Chemical Requirements of Low-Carbon SteelsGradeDesignationChemical Composition Limits, %CarbonAManganeseBPhosphorus,BmaxSulfur,BmaxMT 1010 0.050.15 0.300.60 0.040 0.050MT 1015 0.100.20 0.300.60 0.040 0.050MT X 1015 0.100.20 0.600.90 0.040
10、0.050MT 1020 0.150.25 0.300.60 0.040 0.050MT X 1020 0.150.25 0.701.00 0.040 0.050ALimits apply to heat and product analyses.BLimits apply to heat analysis; except as required by 6.1, product analyses aresubject to the applicable additional tolerances given in Table 5.TABLE 2 Chemical Requirements of
11、 Other Carbon SteelsGradeDesignationChemical Composition Limits, %ACarbon Manganese Phosphorus,maxSulfur,max1008 0.10 max 0.300.50 0.040 0.0501010 0.080.13 0.300.60 0.040 0.0501012 0.100.15 0.300.60 0.040 0.0501015 0.130.18 0.300.60 0.040 0.0501016 0.130.18 0.600.90 0.040 0.0501017 0.150.20 0.300.60
12、 0.040 0.0501018 0.150.20 0.600.90 0.040 0.0501019 0.150.20 0.701.00 0.040 0.0501020 0.180.23 0.300.60 0.040 0.0501021 0.180.23 0.600.90 0.040 0.0501022 0.180.23 0.701.00 0.040 0.0501025 0.220.28 0.300.60 0.040 0.0501026 0.220.28 0.600.90 0.040 0.0501030 0.280.34 0.600.90 0.040 0.0501035 0.320.38 0.
13、600.90 0.040 0.0501040 0.370.44 0.600.90 0.040 0.0501045 0.430.50 0.600.90 0.040 0.0501050 0.480.55 0.600.90 0.040 0.0501518 0.150.21 1.101.40 0.040 0.0501524 0.190.25 1.351.65 0.040 0.0501541 0.360.44 1.351.65 0.040 0.050AThe ranges and limits given in this table apply to heat analysis; except asre
14、quired by 6.1, product analyses are subject to the applicable additional toler-ances given in Table Number 5.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.MIL-STD-12
15、9 Marking for Shipment and Storage4MIL-STD-163 Steel Mill Products Preparation for Ship-ment and Storage42.3 Federal Standard:Fed. Std. No. 123 Marking for Shipment (Civil Agencies)43. Ordering Information3.1 Orders for material under this specification shouldinclude the following, as required, to d
16、escribe the desiredmaterial adequately:3.1.1 Quantity (feet, weight, or number of pieces),3.1.2 Name of material (seamless carbon or alloy steelmechanical tubing),3.1.3 Form (round, square, rectangular or special shapes,Section 1),3.1.4 Dimensions (round, outside diameters and wall thick-ness, Secti
17、on 8; square and rectangular, outside dimensions andwall thickness, Section 9; other, specify),3.1.5 Length (specific or random, mill lengths, see 8.5 and9.5),3.1.6 Manufacture (hot finished or cold finished, 4.5 and4.6),3.1.7 Grade (Section 5),3.1.8 Condition (sizing method and thermal treatment, S
18、ec-tion 12),3.1.9 Surface finish (special pickling, shot blasting, orground outside surface, if required),3.1.10 Specification designation,3.1.11 Individual supplementary requirements, if required,3.1.12 End use, if known,3.1.13 Packaging,3.1.14 Product analysis and chemical analysis, if required(Se
19、ction 6 and Section 7),3.1.15 Specific requirements, or exceptions to this specifi-cation,3.1.16 Special marking (Section 15), and3.1.17 Special packing (Section 16).TABLE 3 Chemical Requirements for Alloy SteelsNOTE 1The ranges and limits in this table apply to steel not exceeding 200 in.2(1290 cm2
20、) in cross-sectional area.NOTE 2Small quantities of certain elements are present in alloy steels which are not specified or required. These elements are considered as incidentaland may be present to the following maximum amounts: copper, 0.35 %; nickel, 0.25 %; chromium, 0.20 %; molybdenum, 0.10 %.N
21、OTE 3The ranges and limits given in this table apply to heat analysis; except as required by 6.1, product analyses are subject to the applicableadditional tolerances given in Table Number 5.GradeA,BDesigna-tionChemical Composition Limits, %Carbon Manganese Phospho-rus,CmaxSulfur,C,DmaxSilicon Nickel
22、 Chromium Molybde-num1330 0.280.33 1.601.90 0.040 0.040 0.150.35 . . .1335 0.330.38 1.601.90 0.040 0.040 0.150.35 . . .1340 0.380.43 1.601.90 0.040 0.040 0.150.35 . . .1345 0.430.48 1.601.90 0.040 0.040 0.150.35 . . .3140 0.380.43 0.700.90 0.040 0.040 0.150.35 1.101.40 0.550.75 .E3310 0.080.13 0.450
23、.60 0.025 0.025 0.150.35 3.253.75 1.401.75 .401240230.090.140.200.250.751.000.700.900.0400.0400.0400.0400.150.350.150.35.0.150.250.200.304024 0.200.25 0.700.90 0.040 0.0350.050 0.150.35 . . 0.200.304027 0.250.30 0.700.90 0.040 0.040 0.150.35 . . 0.200.304028 0.250.30 0.700.90 0.040 0.0350.050 0.150.
24、35 . . 0.200.304037 0.350.40 0.700.90 0.040 0.040 0.150.35 . . 0.200.304042 0.400.45 0.700.90 0.040 0.040 0.150.35 . . 0.200.304047 0.450.50 0.700.90 0.040 0.040 0.150.35 . . 0.200.304063 0.600.67 0.751.00 0.040 0.040 0.150.35 . . 0.200.304118 0.180.23 0.700.90 0.040 0.040 0.150.35 . 0.400.60 0.080.
25、154130 0.280.33 0.400.60 0.040 0.040 0.150.35 . 0.801.10 0.150.254135 0.320.39 0.650.95 0.040 0.040 0.150.35 . 0.801.10 0.150.254137 0.350.40 0.700.90 0.040 0.040 0.150.35 . 0.801.10 0.150.254140 0.380.43 0.751.00 0.040 0.040 0.150.35 . 0.801.10 0.150.254142 0.400.45 0.751.00 0.040 0.040 0.150.35 .
26、0.801.10 0.150.254145 0.430.48 0.751.00 0.040 0.040 0.150.35 . 0.801.10 0.150.254147 0.450.50 0.751.00 0.040 0.040 0.150.35 . 0.801.10 0.150.254150 0.480.53 0.751.00 0.040 0.040 0.150.35 . 0.801.10 0.150.254320 0.170.22 0.450.65 0.040 0.040 0.150.35 1.652.00 0.400.60 0.200.304337 0.350.40 0.600.80 0
27、.040 0.040 0.150.35 1.652.00 0.700.90 0.200.30E4337 0.350.40 0.650.85 0.025 0.025 0.150.35 1.652.00 0.700.90 0.200.304340 0.380.43 0.600.80 0.040 0.040 0.150.35 1.652.00 0.700.90 0.200.30E4340 0.380.43 0.650.85 0.025 0.025 0.150.35 1.652.00 0.700.90 0.200.304422 0.200.25 0.700.90 0.040 0.040 0.150.3
28、5 . . 0.350.454427 0.240.29 0.700.90 0.040 0.040 0.150.35 . . 0.350.454520 0.180.23 0.450.65 0.040 0.040 0.150.35 . . 0.450.604Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.A519062TABLE 3 ContinuedGradeA,BDesigna-tio
29、nChemical Composition Limits, %Carbon Manganese Phospho-rus,CmaxSulfur,C,DmaxSilicon Nickel Chromium Molybde-num4615 0.130.18 0.450.65 0.040 0.040 0.150.35 1.652.00 . 0.200.304617 0.150.20 0.450.65 0.040 0.040 0.150.35 1.652.00 . 0.200.304620 0.170.22 0.450.65 0.040 0.040 0.150.35 1.652.00 . 0.200.3
30、04621 0.180.23 0.700.90 0.040 0.040 0.150.35 1.652.00 . 0.200.30471847200.160.210.170.220.700.900.500.700.0400.0400.0400.0400.150.350.150.350.901.200.901.200.350.550.350.550.300.400.150.254815 0.130.18 0.400.60 0.040 0.040 0.150.35 3.253.75 . 0.200.304817 0.150.20 0.400.60 0.040 0.040 0.150.35 3.253
31、.75 . 0.200.304820 0.180.23 0.500.70 0.040 0.040 0.150.35 3.253.75 . 0.200.30501550460.120.170.430.500.300.500.751.000.0400.0400.0400.0400.150.350.150.35.0.300.500.200.35.5115 0.130.18 0.700.90 0.040 0.040 0.150.35 . 0.700.90 .5120 0.170.22 0.700.90 0.040 0.040 0.150.35 . 0.700.90 .5130 0.280.33 0.7
32、00.90 0.040 0.040 0.150.35 . 0.801.10 .5132 0.300.35 0.600.80 0.040 0.040 0.150.35 . 0.751.00 .5135 0.330.38 0.600.80 0.040 0.040 0.150.35 . 0.801.05 .5140 0.380.43 0.700.90 0.040 0.040 0.150.35 . 0.700.90 .5145 0.430.48 0.700.90 0.040 0.040 0.150.35 . 0.700.90 .5147 0.460.51 0.700.95 0.040 0.040 0.
33、150.35 . 0.851.15 .5150 0.480.53 0.700.90 0.040 0.040 0.150.35 . 0.700.90 .5155 0.510.59 0.700.90 0.040 0.040 0.150.35 . 0.700.90 .5160 0.560.64 0.751.00 0.040 0.040 0.150.35 . 0.700.90 .52100E0.931.05 0.250.45 0.025 0.015 0.150.35 0.25 max 1.351.60 0.10 maxE50100 0.981.10 0.250.45 0.025 0.025 0.150
34、.35 . 0.400.60 .E51100 0.981.10 0.250.45 0.025 0.025 0.150.35 . 0.901.15 .E52100 0.981.10 0.250.45 0.025 0.025 0.150.35 . 1.301.60 .Vanadium6118 0.160.21 0.500.70 0.040 0.040 0.150.35 . 0.500.70 0.100.156120 0.170.22 0.700.90 0.040 0.040 0.150.35 . 0.700.90 0.10 min6150 0.480.53 0.700.90 0.040 0.040
35、 0.150.35 . 0.801.10 0.15 minAluminum MolybdenumE7140 0.380.43 0.500.70 0.025 0.025 0.150.40 0.951.30 1.401.80 0.300.40Nickel8115 0.130.18 0.700.90 0.040 0.040 0.150.35 0.200.40 0.300.50 0.080.158615 0.130.18 0.700.90 0.040 0.040 0.150.35 0.400.70 0.400.60 0.150.258617 0.150.20 0.700.90 0.040 0.040
36、0.150.35 0.400.70 0.400.60 0.150.258620 0.180.23 0.700.90 0.040 0.040 0.150.35 0.400.70 0.400.60 0.150.258622 0.200.25 0.700.90 0.040 0.040 0.150.35 0.400.70 0.400.60 0.150.258625 0.230.28 0.700.90 0.040 0.040 0.150.35 0.400.70 0.400.60 0.150.258627 0.250.30 0.700.90 0.040 0.040 0.150.35 0.400.70 0.
37、400.60 0.150.258630 0.280.33 0.700.90 0.040 0.040 0.150.35 0.400.70 0.400.60 0.150.258637 0.350.40 0.751.00 0.040 0.040 0.150.35 0.400.70 0.400.60 0.150.258640 0.380.43 0.751.00 0.040 0.040 0.150.35 0.400.70 0.400.60 0.150.258642 0.400.45 0.751.00 0.040 0.040 0.150.35 0.400.70 0.400.60 0.150.258645
38、0.430.48 0.751.00 0.040 0.040 0.150.35 0.400.70 0.400.60 0.150.258650 0.480.53 0.751.00 0.040 0.040 0.150.35 0.400.70 0.400.60 0.150.258655 0.510.59 0.751.00 0.040 0.040 0.150.35 0.400.70 0.400.60 0.150.258660 0.550.65 0.751.00 0.040 0.040 0.150.35 0.400.70 0.400.60 0.150.258720 0.180.23 0.700.90 0.
39、040 0.040 0.150.35 0.400.70 0.400.60 0.200.308735 0.330.38 0.751.00 0.040 0.040 0.150.35 0.400.70 0.400.60 0.200.308740 0.380.43 0.751.00 0.040 0.040 0.150.35 0.400.70 0.400.60 0.200.308742 0.400.45 0.751.00 0.040 0.040 0.150.35 0.400.70 0.400.60 0.200.308822 0.200.25 0.751.00 0.040 0.040 0.150.35 0
40、.400.70 0.400.60 0.300.409255 0.510.59 0.600.80 0.040 0.040 1.802.20 . 0.600.80 .9260 0.560.64 0.751.00 0.040 0.040 1.802.20 . . .9262 0.550.65 0.751.00 0.040 0.040 1.802.20 . 0.250.40 .E9310 0.080.13 0.450.65 0.025 0.025 0.150.35 3.003.50 1.001.40 0.080.15A519063TABLE 3 ContinuedGradeA,BDesigna-tio
41、nChemical Composition Limits, %Carbon Manganese Phospho-rus,CmaxSulfur,C,DmaxSilicon Nickel Chromium Molybde-num984098500.380.420.480.530.700.900.700.900.0400.0400.0400.0400.150.350.150.350.851.150.851.150.700.900.700.900.200.300.200.3050B40 0.380.42 0.751.00 0.040 0.040 0.150.35 . 0.400.60 .50B44 0
42、.430.48 0.751.00 0.040 0.040 0.150.35 . 0.400.60 .50B46 0.430.50 0.751.00 0.040 0.040 0.150.35 . 0.200.35 .50B50 0.480.53 0.741.00 0.040 0.040 0.150.35 . 0.400.60 .50B60 0.550.65 0.751.00 0.040 0.040 0.150.35 . 0.400.60 .51B60 0.560.64 0.751.00 0.040 0.040 0.150.35 . 0.700.90 .81B45 0.430.48 0.751.0
43、0 0.040 0.040 0.150.35 0.200.40 0.350.55 0.080.1586B45 0.430.48 0.751.00 0.040 0.040 0.150.35 0.400.70 0.400.60 0.150.2594B15 0.130.18 0.751.00 0.040 0.040 0.150.35 0.300.60 0.300.50 0.080.1594B17 0.150.20 0.751.00 0.040 0.040 0.150.35 0.300.60 0.300.50 0.080.1594B30 0.280.33 0.751.00 0.040 0.040 0.
44、150.35 0.300.60 0.300.50 0.080.1594B40 0.380.43 0.751.00 0.040 0.040 0.150.35 0.300.60 0.300.50 0.080.15AGrades shown in this table with prefix letter E generally are manufactured by the basic-electric-furnace process. All others are normally manufactured by thebasic-open-hearth process but may be m
45、anufactured by the basic-electric-furnace process with adjustments in phosphorus and sulfur.BGrades shown in this table with the letter B, such as 50B40, can be expected to have 0.0005 % minimum boron control.CThe phosphorus sulfur limitations for each process are as follows:Basic electric furnace 0
46、.025 max % Acid electric furnace 0.050 max %Basic open hearth 0.040 max % Acid open hearth 0.050 max %DMinimum and maximum sulfur content indicates resulfurized steels.EThe purchaser may specify the following maximum amounts: copper, 0.30 %; aluminum, 0.050 %; and oxygen, 0.0015 %.4. Materials and M
47、anufacture4.1 The steel may be made by any process.4.2 If a specific type of melting is required by the purchaser,it shall be as stated on the purchase order.4.3 The primary melting may incorporate separate degas-sing or refining, and may be followed by secondary melting,such as electroslag or vacuu
48、m-arc remelting. If secondarymelting is employed, the heat shall be defined as all of theingots remelted from a single primary heat.4.4 Steel may be cast in ingots or may be strand cast. Whensteel of different grades is sequentially strand cast, identifica-tion of the resultant transition material is required. Theproducer shall remove the
