1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS B ISO 8750 , KS B ISO 8750:2008 2008 12 29 http:/www.kats.go.krKS B ISO 8750:2008 : ( ) ( ) () () () ( ) : (http:/www.standard.go.kr) ： ：2008 12 29 2008-00000970 ： ： - ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . 0970 KS B ISO 8750:2008 , Spring-type s
2、traight pins Coiled, standard duty 2007 3 ISO 8750, Spring-type straight pins Coiled, standard duty . 1 (d1) 0.8 mm 20 mm . KS B ISO 8748 KS B ISO 8751 . 2 . . ( ) . KS B ISO 3269, ISO 286 2, ISO system of limits and fits Part 2： Tables of standard tolerance grades and limit deviations for holes and
3、 shafts ISO 4042, Fasteners Electroplated coatings ISO 6507 1, Metallic materials Vickers hardness test Part 1： Test method ISO 8749, Pins and grooved pins Shear test 3 1 1 ! a 1 a KS B ISO 8750:2008 2 1 ： mm 0.8 1 1.2 1.5 2 2.5 3 3.5 4 5 6 8 10 12 14 16 20 0.91 1.15 1.35 1.73 2.25 2.78 3.30 3.84 4.
4、4 5.50 6.50 8.63 10.80 12.85 14.95 17.00 21.1d1 0.85 1.05 1.25 1.62 2.13 2.65 3.15 3.67 4.2 5.25 6.25 8.30 10.35 12.40 14.45 16.45 20.4d2 0.75 0.95 1.15 1.4 1.9 2.4 2.9 3.4 3.9 4.85 5.85 7.8 9.75 11.7 13.6 15.6 19.6a 0.3 0.3 0.4 0.5 0.7 0.7 0.9 1 1.1 1.3 1.5 2 2.5 3 3.5 4 4.5s 0.07 0.08 0.1 0.13 0.1
5、7 0.21 0.25 0.29 0.33 0.42 0.5 0.67 0.84 1 1.2 1.3 1.7a 0.4 0.6 0.9 1.45 2.5 3.9 5.5 7.5 9.6 15 22 39 62 89 120 155 250 , kN b 0.3 0.45 0.65 1.05 1.9 2.9 4.2 5.7 7.6 11.5 16.8 30 48 67 l c 4 3.75 4.25 5 4.75 5.25 6 5.75 6.25 8 7.75 8.25 10 9.75 10.25 12 11.5 12.5 14 13.5 14.5 16 15.5 16.5 18 17.5 18
6、.5 20 19.5 20.5 22 21.5 22.5 24 23.5 24.5 26 25.5 26.5 28 27.5 28.5 30 29.5 30.5 32 31.5 32.5 35 34.5 35.5 40 39.5 40.5 45 44.5 45.5 50 49.5 50.5 55 54.25 55.75 60 59.25 60.75 65 64.25 65.75 70 69.25 70.75 75 74.25 75.75 80 79.25 80.75 85 84.25 85.75 90 89.25 90.75 95 94.25 95.75 100 99.25 100.75 12
7、0 119.25 120.75 140 139.25 140.75 160 159.25 160.75 180 179.25 180.75 200 199.25 200.75 a . b . c 200 mm 20 mm . KS B ISO 8750:2008 3 4 d1 ISO 286 2 H12 . 1.2 mm ISO 286 2 H10 . 5 2 2 St A C d1 12 mm ( ) % ( ) % C0.64 Mn0.60 Si0.15 CrbP0.04 S0.05 C0.38 Mn0.70 Si0.20 Cr0.80 V0.15 P0.035 S0.04 C0.15 M
8、n2.00 Si1.50 Cr 16 20 Ni 6 12 P0.045 S0.03 Mo0.8 C0.15 Mn1.00 Si1.00 Cr 11.5 14 Ni1.00 P0.04 S0.03 HV 420 HV 545 . HV 460 HV 560 . a ISO 6507 1 ISO 6507 1 , . . , . , ( ISO 4042 ). . . . KS B ISO 8750:2008 4 2 ( ) . . ISO 8749 . KS B ISO 3269 . a . bCr . 6 1 d1 6 mm, l 30 mm, (St) . KS B ISO 8750 630 St 2 d1 6 mm, l 30 mm, (A) , . KS B ISO 8750 630 A , 135513 7017 (02)60094114 (02)600948878 http：/ KS B ISO 8750:2008 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Spring-type straight pins Coiled, standard duty ICS 21.060.50 Korean Agency for Technology and Standards http:/www.kats.go.kr
