1、 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2003 6 30 KS B ISO 8982 2 : KS B ISO 898 2: 2003 B ISO 898 2: 2003 ( ) ( ) ( ) ( ) : : 2003 6 30 03 747 : : ( ) ( 02 509 7292 5) . 7 5 , . ICS 21.060.20 KS B ISO 2 : 898 2: 2003Mechanical properties of fasteners Part 2: Nuts with specified proof load values
2、 Coarse thread 1992 2 ISO 898 2, Mechanical properties of fasteners Part 2: Nuts with specified proof load values Coarse thread . 1. . . . 39 mm . ISO 68 ISO 262 ISO ( ). ISO 261 / ( ). ISO 965 1 ISO 965 2 6 H . . ISO 272 . 0.5D . . . (ISO 2320 ) (ISO 3506 ) 300 50 1. 250 . 2. . 3. 6 H/6 g . 1 . 4.
3、6 H ( 1 ). B ISO 898 2: 2003 2 1 , % 6 H 7 H 6 G M2.5 100 95.5 M2.5 M7 100 95.5 97 M7 M16 100 96 97.5 M16 M39 100 98 98.5 2. , . . . ISO 1 Standard reference temperature for industrial length measurement ISO 68 ISO general purpose screw threads Basic profile ISO 261 ISO general purpose metric screw
4、threads General plan ISO 262 ISO general purpose metric screw threads Selected sizes for screws, bolts and nuts ISO 272 Fasteners Hexagon products Widths across flats ISO 286 2 ISO system of limits and fits Part 2: Tables of standard tolerance grades and limit deviations for holes and shafts ISO 724
5、 ISO metric screw threads Basic dimensions ISO 965 1 ISO general purpose metric screw threads Tolerances Part 1: Principles and basic data ISO 965 2 ISO general purpose metric screw threads Tolerances Part 2: Limits of sizes for general purpose bolt and nut threads Medium quality ISO 4964 Steel Hard
6、ness conversions ISO 6157 2 Fasteners Surface discontinuities Part 2: Nuts with threads M5 to M39 ISO 6506 Metallic materials Hardness test Brinell test ISO 6507 1 Metallic materials Hardness test Vickers test Part 1: HV 5 to HV 100 ISO 6508 Metallic materials Hardness test Rockwell test(scales A B
7、C D E F G H K) 3. 3.1 0.8 D ( 0.6 D ) 0.8D ( 0.6D ) . . . . . ( , , ) . B ISO 898 2: 2003 3 M5 M39 2 . 10 % . A . 2 0.8 D 1 2 4 3.6, 4.6, 4.8 M16 M16 3.6, 4.6, 4.8 M16 5 5.6, 5.8 M39 M39 6 6.8 M39 M39 8 8.8 M39 M39 M16 M39 9 9.8 M16 M16 10 10.9 M39 M39 12 12.9 M39 M16 M39 . / . 3.2 0.5 D 0.8 D ( 0.4
8、 D 0.6 D ) 0.5D 0.8D ( 0.4D 0.6D ) 2 . , 3.1 . . 3 . 6 . 7 . 3 0.5 D 0.8 D N/mm2 N/mm204 400 380 05 500 500 4. 4 (steel) . B ISO 898 2: 2003 4 4 ( ) % C Mn P S 4(1), 5(1), 6(1) 0.50 0.060 0.150 8, 9 04(1) 0.58 0.25 0.060 0.150 10(2) 05(2) 0.58 0.30 0.048 0.058 12(2) 0.58 0.45 0.048 0.058 (1) . , , .
9、 0.34 %, 0.11 %, 0.35 % (2) . 05, 8(M16 1), 10 12 . 5. 8. , 5 . 6. 6 . As . 232s24 +=ddA d2: d3: 613Hdd = d1: H: 7. 0.5 D 0.8 D 7 . , . 5 04 05 4 HV HV HV SpN/mm2 SpN/mm2 SpN/mm2 M4 M4 M7 M7 M10 M10 M16 M16 M39 380 188 302 NQT(1) . 500 272 353 QT(2) . 510 117 302 NQT(1)1 5(3) 6 8 HV HV HV HV SpN/mm2
10、 SpN/mm2 SpN/mm2 SpN/mm2 M4 520 600 800 180M4 M7 580 670 855 M7 M10 590 680 870 M10 M16 610 130 700150880 200302 NQT(1) M16 M39 630 146 302 NQT(1)1 720 170302 NQT(1)1 920 233 353 QT(2)1 890 180 302 NQT(1)2 5B ISO 8982:2003 5 ( ) 9 10 12 HV HV HV HV SpN/mm2 SpN/mm2 SpN/mm2 SpN/mm2 M4 900 170 1 040 1
11、140 1 150M4 M7 915 1 040 1 140 1 150M7 M10 940 1 040 1 140 1 160M10 M16 950 1 050 1 170 1 190M16 M39 920 188 302 NQT(1)2 1 060272 353 QT(2)1 295 353 QT(2)1 1 200272 353 QT(2)2 (1) NQT . (2) QT . (3) ISO 898 1 5.6 5.8 220 HV . , 250 HV . 220 HV . . . . 6 B ISO 8982:2003 6 (coarse) 04 05 4 5 6 8 9 10
12、12 As (AsSp) N mm mm2 1 1 1 1 2 2 1 1 2M3 M3.5 M4 0.5 0.6 0.7 5.036.788.781 9102 5803 3402 5003 4004 400 2 6003 5504 5503 000 4 050 5 250 4 0005 4007 000 4 5006 1007 9005 2007 0509 1505 7007 70010 0005 8007 80010 100M5 M6 M7 0.8 1 1 14.2 20.1 28.9 5 4007 64011 0007 10010 00014 500 8 25011 70016 8009
13、 500 13 500 19 400 12 14017 20024 700 13 00018 40026 40014 80020 90030 10016 20022 90032 90016 30023 10033 200M8 M10 M12 1.25 1.5 1.75 36.6 58 84.3 13 90022 00032 00018 30029 00042 200 21 60034 20051 40024 900 39 400 59 000 31 80050 50074 200 34 40054 50080 10038 10060 30088 50041 70066 10098 60042
14、50067 300100 300M14 M16 M18 2 2 2.5 115 157 192 43 70059 70073 00057 50078 50096 000 97 90070 20095 800121 00080 500 109 900 138 200 101 200138 200176 600 170 900109 300149 200176 600120 800164 900203 500134 600183 700 136 900186 800230 400M20 M22 M24 2.5 2.5 3 245 303 353 93 100115 100134 100122 50
15、0151 500176 500125 000154 500180 000154 400190 900222 400176 400 218 200 254 200 225 400278 800324 800218 100269 700314 200225 400278 800324 800259 700321 200374 200 294 000363 600423 600M27 M30 M33 3 3.5 3.5 459 561 694 174 400213 200263 700229 500280 500347 000234 100286 100353 900289 200353 40043
16、7 200330 500 403 900 499 700 422 300516 100638 500408 500499 300617 700422 300516 100638 500486 500594 700735 600 550 800673 200832 800M36 M39 4 4 817 976 310 500370 900408 500488 000416 700497 800514 700614 900588 200 702 700 751 600897 900727 100868 600751 600897 900866 0001 035 000 980 4001 171 0
17、007B ISO 8982:2003B ISO 898 2: 2003 8 7 N/mm2( ) N/mm26.8 8.8 10.9 12.9 04 380 260 300 330 350 05 500 290 370 410 480 8. 8.1 . M5 . 1 2 . . 15 . , . ( . , .). 45 HRC . 5h6 g . 6 g 1/4 . * D11 ISO 286 2 . 1 B ISO 898 2: 2003 9 2 8.2 120 3 . , . , HV 30 . ISO 4964 . ISO 6507 1 . ISO 6506 . ISO 6508 .
18、8.3 ISO 6157 2 . 9. 9.1 8 9 . 9.2 M5 3. . , . 3 4 . . 3 B ISO 898 2: 2003 10 4 ( ) 8 3.1 4 5 6 8 9 10 12* 4 5 6 8 9 10 12 ( ) * . 9 3.2 04 05 9.3 5 . 5 M5 . 6 . . B ISO 898 2: 2003 11 (1) s 6 9.4 9.1 9.3 . 9.5 () ( ) . . (1) B ISO 898 2: 2003 12 A() ( ISO/TC 2 ) ISO (ISO/R 898 1: 1968), ISO (ISO/R 8
19、98 2) 1969 . ISO , , . a) . 8.8 (8.8 “8”) 1/100 (8.8 “8”) (0.8) 10 (88 64) 1/10 b) 1/100 8.8 8 2 ISO , . 1973 ISO/TC 2 SC 1 , 2 ISO . 1974 ISO/DIS 898 1 . , . , . 1977 ISO . ISO/TC 2 SC 1 , ISO . ISO/R 898 2 ISO ISO . 0.8D . , . . , . . (yield point tightening method) , . M16 8.8 800 965 N/mm2 ( ).
20、80 % 640 772 N/mm2 B ISO 898 2: 2003 13 . . . 8 45 HRC 8.8 10 % . , 800 N/mm2 8.8 720 N/mm2 . , . 15 % , . , ISO . A.1 (ISO 898 1 ) . 4.8, 5.8, 8.8(M16 ), 10.9 12.9 . . ISO/TC 2 SC 1 ( , , , , , ) . , , . , . , . ISO 68 . SC 1 . . . . , 0.8D . . . “Analysis and Design of Threaded Assemblies( )”, E.M. Alexander, 1977