1、November 2015 English price group 8No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 21.100.10!%GF 22 CuPb10Sn10 70 H
2、BW to 130 HBW 60 HBW to 90 HBW 60 HBW to 140 HBWCuPb17Sn5 60 HBW to 95 HBW CuPb24Sn4 60 HBW to 90 HBW 45 HBW to 70 HBW 45 HBW to 120 HBWCuPb24Sn 55 HBW to 80 HBW 40 HBW to 60 HBW 40 HBW to 110 HBWCuPb30 30 HBW to 45 HBW AlSn20Cu 30 HBW to 40 HBW 45 HBW to 60 HBWAlSn6Cu 35 HBW to 45 HBW AlSn12SiCu 45
3、 HV to 65 HV AlSi11Cu 45 HBW to 60 HBW AlZn5Si1,5Cu1Pb1Mg 45 HBW to 70 HBW 70 HBW to 100 HBWNOTE Hardness values may be increased by skin-rolling; tests should be carried out according to ISO 4384-1.Table A.2 Guide of uses of bearing metals and for the hardness of the mating bearing part (shaft)Bear
4、ing alloy (overlays)Characteristics and principal uses in high-speed enginesMinimum hardness of the shaftaSnSb8Cu4 Soft; good corrosion resistance; good performance under conditions of marginal lubrication; poor fatigue resist-ance; operates with hard or soft shafts. Lightly loaded main and connecti
5、ng rod bearings; bushes; thrust washers.220 HBWCuPb10Sn10 Very high fatigue strength and shock resistance; good corrosion resistance; hard shaft desirable. Wrapped bushes, thrust washers; small end bushes.53 HRCCuPb17Sn5 Very high fatigue strength and shock resistance; hard shaft desirable; normally
6、 overlay plated when used as a bearing. Highly loaded main and connecting rod bearings; wrapped bushes; thrust washers.50 HRCaThe tabulated hardness values for the shaft material are guide values of minimum hardness and are valid for use in high-speed machines. The working conditions, in particular
7、the lubrication conditions, may have a considerable influence so that a larger difference in hardness may be necessary between the bearing material and shaft material.DIN ISO 4383:2015-11 9Bearing alloy (overlays)Characteristics and principal uses in high-speed enginesMinimum hardness of the shaftaC
8、uPb24Sn4 High fatigue strength and shock resistance; suitable for high-speed shafts, oscillating or rotating motion; hard shaft desirable; normally overlay plated when used as a bearing. Wrapped bushes; thrust washers; main and connecting rod bearings.48 HRCCuPb24Sn High fatigue resistance with cast
9、 alloy; fair to high with sintered alloy; normally plated with an overlay when used in bearing applications and in this form may be operated with hard or soft shafts; susceptible to corro-sion by degraded oil when not overlay plated. Main and connecting rod bearings; thrust washers.45 HRCCuPb30 Mode
10、rate fatigue resistance; susceptible to corrosion by degrated oil if not overlay plated; operates with hard shafts unless overlay plated. Main and connecting rod bearings; wrapped bushes.270 HBWAlSn20Cu Moderate fatigue strength; good corrosion resistance; relatively good performance in marginally l
11、ubricated conditions; may be operated with soft shafts. Main and connecting rod bearings; thrust washers and wrapped bushes.250 HBWAlSn6Cu Moderate to high fatigue strength; good corrosion resist-ance; normally plated with an overlay and used with hard shafts. Main and connecting rod bearings and wr
12、apped bushes.45 HRCAlSi11Cu High fatigue strength; normally used with plated over-lays in bearing applications; runs against hard shafts; good corrosion resistance. Main and connecting rod bearings.50 HRCAlSn12SiCu High fatigue strength; good seizure resistance and wear resistance; good corrosion re
13、sistance; operates with hard or soft shaft. Main and connecting rod bearings, thrust washers and wrapped bushes.230 HVAlZn5Si1,5Cu1Pb1Mg High fatigue strength; normally used with plated over-lays in bearing applications; operates with hard or soft shafts. Main and connecting rod bearings.45 HRCOverl
14、ay PbSn10Cu2 Fatigue strength depends on thickness; soft; good cor-rosion resistance; relatively good performance under conditions of marginal lubrication. Applied to main and connecting rod bearings manu-factured from copper/lead-based alloys and the higher strength aluminium-based alloys. Applied
15、to main and connecting rod bearings manufac-tured from cupper-based alloys.PbSb10 Pbln7 AlSn20Cu (sputter)aThe tabulated hardness values for the shaft material are guide values of minimum hardness and are valid for use in high-speed machines. The working conditions, in particular the lubrication con
16、ditions, may have a considerable influence so that a larger difference in hardness may be necessary between the bearing material and shaft material.Table A.2 (continued)DIN ISO 4383:2015-1110 Bibliography1 ISO 4384-1, Plain bearings Hardness testing of bearing metals Part 1: Multilayer bearings materialsDIN ISO 4383:2015-11 11
