SAE J2467-1999 Welded and Cold-Drawn, SAE 1021 Carbon Steel Tubing Normalized for Bending and Flaring.pdf
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1、SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefr
2、om, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. QUESTIONS REGARDING THIS DOCUMENT: (724) 772-8512 FAX: (724) 776-0243 TO PLACE A DOCU
3、MENT ORDER; (724) 776-4970 FAX: (724) 776-0790 SAE WEB ADDRESS http:/www.sae.org Copyright 1999 Society of Automotive Engineers, Inc. All rights reserved.Printed in U.S.A. SURFACE VEHICLE 400 Commonwealth Drive, Warrendale, PA 15096-0001 STANDARD Submitted for recognition as an American National Sta
4、ndard J2467 ISSUED APR1999 Issued1999-04 Welded and Cold-Drawn, SAE 1021 Carbon Steel Tubing Normalized for Bending and Flaring 1.Scope The SAE Standard covers normalized electric resistance welded, cold-drawn, single-wall, SAE 1021 carbon steel pressure tubing intended for use as pressure lines and
5、 in other applications requiring tubing of a quality suitable for bending, flaring, forming, and brazing. The grade of material produced to this specification is higher in carbon content and manganese content than the grade of material specified in SAE J525. The material produced to this specificati
6、on is intended to service higher pressure applications than like sizes of SAE J525. Due to the higher carbon and manganese content, however, the forming characteristics of the finished tube is diminished somewhat when compared to SAE J525. Special attention to the overall forming requirements of the
7、 finished assembly should be taken into consideration when utilizing material produced to this specification. 2.References 2.1Applicable Publications The following publications form a part of this specification to the extent specified herein. Unless otherwise specified, the latest issue of SAE publi
8、cations shall apply. 2.1.1SAE PUBLICATIONS Available from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001. SAE J409 Product Analysis Permissible Variations from Specified Chemical Analysis of a Heat or Cast of steel SAE J514 Hydraulic Tube Fittings SAE J525 Welded and Cold Drawn Low-Carbon St
9、eel Tubing Annealed for Bending and Flaring SAE J533 Flares for Tubing SAE J1677 Tests and Procedures for SAE Low-Carbon Steel and Copper Nickel Tubing 2.2Related Publications The following publications are provided for information purposes only and are not a required part of this document. 2.2.1SAE
10、 PUBLICATIONS Available from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001. SAE J1065 Pressure Ratings for Hydraulic Tubing and Fittings SAE J1453 Fitting O-Ring Face Seal SAE J2467 Issued APR1999 -2- 3.Manufacture The tubing shall be made from flat rolled steel shaped into a tubular form,
11、the edges of which are joined and fused together by electric resistance welding. After forming and welding, the tubing shall be normalized and subjected to a cold drawing operation that shall result in a 15% minimum reduction in cross sectional area, of which 8% shall consist in a reduction of wall
12、thickness. Subsequent to cold drawing, the tubing shall be normalized via an atmospherically controlled method to produce a finished product that will meet all requirements of this document. 4.Dimensions and Tolerances The tolerances applicable to the tubing outside diameter and inside diameter are
13、shown in Table 1. The tolerances applicable to tubing wall thickness are shown in Table 2. Dimensional tolerances can only apply to two of the three tubing dimensions (OD, ID, or wall). Unless otherwise agreed upon between the purchaser and tube producer, dimensional tolerances shall apply to the tu
14、be OD and wall dimension. TABLE 1 TUBING DIAMETER TOLERANCES Nominal Tubing OD(1)(2) mm 1.OD measurements shall be taken at least 50 mm from the end of the tubing. 2.Refer to SAE J514 for nominal tubing OD to be used in conjunction with standard hydraulic tube fittings and SAE J533 for recom- mended
15、 maximum nominal wall thickness for double flaring. Tube OD Tolerance mm TUBE ID Tolerance mm Up to 9.500.050.05 Over 9.50 to 15.880.060.06 Over 15.88 to 50.800.080.08 Over 50.80 to 63.500.100.10 Over 63.50 to 76.200.130.13 Over 76.20 to 100.000.150.15 SAE J2467 Issued APR1999 -3- 5.Manufacturing St
16、andards 5.1Straightness Tubing shall be straightened to a tolerance of 0.8 mm in 1000 mm. Straightness tolerances shall be measured by placing a 915 mm straight edge against the tube while lying on its neutral axis. The point of maximum deflection of the tube from the straight edge should not be mor
17、e than allowed by the specification when measured with a feeler gauge. 5.2Tubing End Condition The tubing will be produced using normal mill cut-off practices. This will include, but is not limited to double-cut ends, saw-cut, and rotary-cut ends. Care will be taken to minimize the distortion of the
18、 tube ends. Distortion of the tube ends must not affect the normal re-cutting processes that will be performed by the end user. Ends that require further processing will be by agreement between the producer and tube purchaser. TABLE 2 TUBING WALL THICKNESS TOLERANCES Nominal Wall Thickness(1) 1.For
19、intermediate wall thickness, the tolerance for the next heavier wall thickness shall apply. Nominal Tubing Outside Diameter Through 22 mm +/ mm Nominal Tubing Outside Diamter Over 22 mm Through 48 mm +/ mm Nominal Tubing Outside Diameter Over 48 mm Through 100 mm +/ mm 0.890.05/0.050.05/0.050.05/0.0
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