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 entirelyvoluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefro
2、m, 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: (412) 772-8512 FAX: (412) 776-0243TO PLACE A DOCUMENT
3、 ORDER; (412) 776-4970 FAX: (412) 776-0790SAE WEB ADDRESS http:/www.sae.orgCopyright 1991 Society of Automotive Engineers, Inc.All rights reserved. Printed in U.S.A.SURFACEVEHICLE400 Commonwealth Drive, Warrendale, PA 15096-0001STANDARDSubmitted for recognition as an American National StandardJ460RE
4、V.OCT91Issued 1911-06Revised 1991-10Superseding J460eBEARING BUSHING ALLOYS CHEMICAL COMPOSITION OF SAE BEARING AND BUSHING ALLOYSForewordThis Document has not changed other than to put it into the new SAE Technical Standards BoardFormat.1. ScopeCompositions apply to the finished bearing or bearing
5、lining, not necessarily to the alloy at anintermediate processing stage. All values not given as ranges are maxima. (See Tables 1 through 5.)2. ReferencesThere are no referenced publications specified herein.TABLE 1LEAD AND TIN-BASED ALLOYSSAE 12ISOSnSb8Cu4SAE 13ISOPbSb10Sn6SAE 14ISOPbSb15Sn10SAE 15
6、ISOPbSb1AsSAE 16(1)1. SAE 16 is cast into and on a porous sintered matrix, usually copper nickel or lead bronze, bonded to steel. For crankshaft bearings, the surface layer is 0.025 to 0.125 mm (0.001 to 0.005 in) in thickness.SAE 17Pb 0.50(2)2. ISO SnSb8Cu4 has 0.35 max. Pb.Remainder Remainder Rema
7、inder Remainder 0.50Sn Remainder 5.07.0 9.011.0 0.91.7 3.54.7 RemainderSb 7.08.0 9.011.0 14.016.0 13.515.5 3.04.5 7.59.0Cu 3.04.0 0.7 0.7 0.7 0.4 3.04.0Cd 0.05 0.05 0.02 0.05 1.01.5As 0.10 0.25 0.6 0.81.2 0.6 0.10Al 0.005 0.005 0.005 0.005 0.005 0.005Bi 0.08 0.10 0.10 0.10 0.10 0.08Fe 0.10 0.10 0.10
8、 0.10 0.10 0.10Zn 0.005 0.005 0.005 0.005 0.005 0.005TotalOthers 0.20 0.20 0.20 0.20 0.40 0.20(3)(4)3. A version of this alloy has 0.2 to 0.5 Ni.4. A version of this alloy has 0.01 to 0.1 Cr.SAE J460 Revised OCT91-2-TABLE 2LEAD-BASED OVERLAYSSAE 191ISOPbSn10SAE 192ISOPbSn10Cu2SAE 193SAE 194ISOPbln7P
9、b Remainder Remainder Remainder RemainderSn 8.012.0 8.012.0 16.020.0 ln 5.010.0Cu 1.03.0 1.03.0 TotalOthers 0.5 0.5 0.5 0.5TABLE 3COPPER-BASED ALLOYSSTEEL BACKEDSAE 48ISOCuPb30SAE 49ISOCuPb24SnSAE 485SAE 792 (1)ISOCuPb10Sn101. SAE 792 now covers both cast and sintered versions of CuPb10Sn10 and SAE
10、794 covers both cast and sintered versions of CuPb24Sn4. The SAE 797 and SAE 799 designations for the sintered versions have been eliminated.SAE 793SAE 794(1)ISOCuPb24Sn4Cu Remainder Remainder Remainder Remainder Remainder RemainderPb 26.033.0 21.027.0(2)2. ISO CuPb24Sn has 19.0 to 27.0 Pb.36.058.0
11、9.011.0 7.09.0 21.025.0(3)3. ISO CuPb24Sn4 has 19.0 to 27.0 Pb and 3.0 to 4.5 Sn.Sn 0.50(4)4. A version of this alloy has 1.3 max. Sn0.62.0(5)5. A version of this alloy has 2.8 max. Sn.1.08.0 9.011.0 3.54.5 3.04.0(3)Fe 0.7 0.7 0.5 0.7 0.7 0.7Ni 0.50 0.50 0.50 0.50 0.50P 0.10 0.10 0.10 0.10 0.10Sb 0.
12、50 0.50 0.50 0.50 0.50Zn 0.50 0.50 0.50(6)6. A version of this alloy has 0.8 max. Zn.0.50(7)7. A version of this alloy has 3.0 max. Zn.0.50(7)TotalOthers 0.50 0.50 1.0 0.50 0.50 0.50SAE J460 Revised OCT91-3-TABLE 4COPPER-BASED ALLOYSCAST ALLOYS NOT BONDED TO STEELUNSC98400UNSC98200SAE 791UNSC83520UN
13、SC93700UNSC93720UNSC94330SAE 795UNSC83420Cu Remainder(1)1. In determining copper min., copper may be calculated as Cu + Ni.Remainder(1) Remainder(1) 78.082.0(1) 83.0 min.(1) 68.575.5(1) 88.092.0(1)Pb 26.033.0 21.027.0 3.54.5 8.011.0 7.09.0 21.025.0 0.50Sn 0.50 0.62.0 3.54.5 9.011.0 3.54.5 3.04.0 0.2
14、50.7Fe 0.7 0.7 0.30 0.7 0.7 0.7 0.10Ni 0.50 0.50 1.0(1) 0.50(1) 0.50(1) 0.5 (incl Co)P 0.10 0.10 0.10(2)2. For continuous castings, phosphorus shall be 1.5% max.0.10(2) 0.10(2) Sb 0.50 0.50 0.25 0.50 0.50 0.50 Zn 0.50 0.50 1.54.0 0.8 4.0 3.0 RemainderAg 1.5 Si 0.005 S 0.08 Al 0.005 Cu + Sumof NamedE
15、lements99.5 min. 99.5 min. 99.8 min. 99.0 min. 99.0 min. 99.0 min. 99.3 min.Approx.SAE EquivalentSAE 48 SAE 49 SAE 792 SAE 793 SAE 794 SAE J460 Revised OCT91-4-3. Notes3.1 Marginal IndiciaThe change bar (l) located in the left margin is for the convenience of the user in locatingareas where technica
16、l revisions have been made to the previous issue of the report. An (R) symbol to the leftof the document title indicates a complete revision of the report.PREPARED BY THE SAE BEARINGS AND BUSHINGS COMMITTEETABLE 5ALUMINUM-BASED ALLOYSSAE770ISOAISn6CuSAE780SAE781ISOAIS14CdSAE782ISOAICd3CuNiSAE783ISOA
17、ISn20CuSAE784ISOAISI11CUSAE785ISOAIZn5S12CuPbSAE786ISOAISn40SAE787SAE788Al Remainder Remainder Remainder Remainder Remainder Remainder Remainder Remainder Remainder RemainderSn 5.57.0 5.57.0 17.522.5 0.20 0.20 3742 0.42.0 10.014.0Cd 0.81.4 2.73.5 Si 0.7 1.02.0 3.54.5 0.30(1)1. ISO AlCd3CuNi has 0.7
18、to 1.3 Cu, 0.7 max. Si, 0.7 max. Mn, 0.7 max. Fe, 1.0 max. Si + Fe + Mn.0.50(2)2. ISO AISn20Cu has 0.7 max. Si, 0.7 max. Mn, 0.7 max. Fe, 1.0 max. Si + Fe, 1.0 max. Si + Fe + Mn, 0.5 max. total others.10.012.0 1.02.0(3)3. A version of this alloy has 3.0 to 4.0 Zn, 2.5 to 3.5 Si.0.3 3.54.5 1.83.5(4)4
19、. A version of this alloy has 3.5 to 5.0 Si, 1.8 to 2.1 Cu and no lead.Cu 0.71.3 0.71.3 0.050.15 1.01.5(1) 0.71.3 1.71.3 0.71.3 0.350.7 0.52.0(5)5. A version of this alloy has 0.05 to 0.15 Cu, 0.05 to 0.15 Mg, 0.20 to 0.40 Mn.0.41.2(4)Ni 0.71.3(6)6. ISO AISn6Cu has no lower limit to Ni, 0.7 max. Mn,
20、 0.2 max. Ti, 1.0 max Si + Fe + Mn.0.200.7 0.71.3 0.10 0.10 0.20 0.10 0.10Zn 4.55.5(3) Pb 0. 71.3 4.010.5(5) 1.02.4(4)Mg 0.050.20(7)7. ISO AISi4Cd has no Mg, 0.2 max. Mn, 0.2 max. Ti. (5) Mn 0.10(6) 0.10 0.10 1.21.6(1) 0.10(2) 0.10 0.10 0.10 (5) 0.10Fe 0.7 0.7 0.35 0.30(1) 0.50(2) 0.30 0.30 0.30 0.5
21、0 0.35Cr 0.25Sb 0.45Sr 0.30Ti 0.10(6) 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10TotalOthers 0.30 0.15 0.25 0.15 0.15(2) 0.30 0.30 0.30 0.30 0.30SAE J460 Revised OCT91RationaleNot applicable.Relationship of SAE Standard to ISO StandardNot applicable.ApplicationCompositions apply to the finished bearing or bearing lining, not necessarily to the alloy at anintermediate processing stage. All values not given as ranges are maxima.Reference SectionThere are no referenced publications specified herein.Developed by the SAE Bearings and Bushings Committee
