KS B 0234-2009 Mechanical properties of steel nuts《钢制螺母机械性质》.pdf

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1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS B 0234 KS B 0234:2009 2009 12 30 http:/www.kats.go.krKS B 0234:2009 : ( ) ( ) () () ( ) : (http:/www.standard.go.kr) : :1975 11 7 :2009 12 30 2009-0983 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS B 0234:2009 Mechanical properties of steel nuts

2、A B 1992 2 ISO 898 2, Mechanical properties of fasteners Part 2: Nuts with specified proof load values Coarse thread 1994 2 ISO 898 6, Mechanical properties of fasteners Part 6: Nuts with specified proof load values Fine pitch thread , . A B . 1 . 2 2.1 ( ) 04, 05 412 A( ) . 2.2 ( ) 04, 05 512 B( )

3、. 2.3 ( ) 4T 12T C( ) . KS B 0234:2009 2 A ( ) A.1 ( ) . . . 39 mm . ISO 68 1 ISO 262( ) 3 ISO . ISO 261( ) / . ISO 965 1 ISO 965 2 6H . . ISO 272 . 0.5d1) . . . (ISO 2320 ) (ISO 3506 ) 300 50 1 250 . 2 (overtapped) . 3 6H/6g ( A.1 ). 4 6H ( A.1 ). A.1 % 6H 7H 6G M2.5 100 95.5 M2.5 M7 100 95.5 97 M7

4、 M16 100 96 97.5 M16 M39 100 98 98.5 1) d ISO 272 . KS B 0234:2009 3 A.2 . . ( ) . KS B 0201, KS B 1001, KS B 0401, KS B 0235, KS B 0548, 2: KS B 0805, KS B 0811, KS B 0806, ISO 1: 2002, Standard reference temperature for geometrical product specification and verification ISO 68 1: 1998, ISO general

5、 purpose screw threads Basic profile Part 1: Metric screw threads ISO 261: 1998, ISO general purpose metric screw threads General plan ISO 262: 1998, ISO general purpose metric screw threads Selected sizes for screws, bolts and nuts ISO 272: 1982, Fasteners Hexagon products Widths across flats ISO 2

6、86 2: 1988, ISO system of limits and fits Part 2: Tables of standard tolerance grades and limit deviations for holes and shafts ISO 724: 1993, ISO metric screw threads Basic dimensions ISO 898 2: 1992, Mechanical properties of fasteners Part 2: Nuts with specified proof load valuesCoarse thread ISO

7、965 1: 1998, ISO general purpose metric screw threads Tolerances Part 1: Principles and basic data ISO 965 2: 1998, ISO general purpose metric screw threads Tolerances Part 2: Limits of sizes for general purpose bolt and nut threads Medium quality ISO 18265: 2003, Metallic materials Conversion of ha

8、rdness values ISO 6157 2: 1995, Fasteners Surface discontinuities Part 2: Nuts with threads M5 to M39 ISO 6506 1: 2005, Metallic materials Brinell hardness test Part 1: Test method ISO 6506 2: 2005, Metallic materials Brinell hardness test Part 2: Verification and calibration of testing machines ISO

9、 6506 3: 2005, Metallic materials Brinell hardness test Part 3: Calibration of reference blocks ISO 6506 4: 2005, Metallic materials Brinell hardness test Part 4: Table of hardness values ISO 6507 1: 2005, Metallic materials Vickers hardness test Part 1: Test method ISO 6508 1: 2005, Metallic materi

10、als Rockwell hardness test Part 1: Test method(scales A, B, C, D, E, F, G, H, K, N, T) ISO 6508 2: 2005, Metallic materials Rockwell hardness test Part 2: Verification and calibration of testing machines (scales A, B, C, D, E, F, G, H, K, N, T) ISO 6508 3: 2005, Metallic materials Rockwell hardness

11、test Part 3: Calibration of reference blocks (scales A, B, C, D, E, F, G, H, K, N, T) A.3 A.3.1 0.8d ( 0.6d ) 0.8d ( 0.6d ) ( A.2 ). KS B 0234:2009 4 (over-tightening) . . , . . ( , , ) . A.2 M5 M39 . , 10 % . A1 . A.2 0.8d 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 M

12、39 8 8.8 M39 M39 M16 M39 9 9.8 M16 M16 10 10.9 M39 M39 12 12.9 M39 M16 M39 . / . A.3.2 0.5d 0.8d ( 0.4d 0.6d ) 0.5d 0.8d ( 0.4d 0.6d ) 2 ( A.3 ). (4 5) (mandrel) , / A.3.1 / . . A.3 . A.6 . A.7 . KS B 0234:2009 5 A.3 0.5d 0.8d N/mm2 N/mm204 400 380 05 500 500 A.4 A.4 . A.4 ( ) % C Mn P S 4a, 5a, 6a

13、0.50 0.060 0.150 8, 9 04a0.58 0.25 0.060 0.150 10b05b0.58 0.30 0.048 0.058 12b 0.58 0.45 0.048 0.058 a . , . S: 0.34 %, P: 0.11 %, Pb: 0.35 % b , . 05, 8(M16 1), 10 12 . A.5 A.8 , A.5 . A.5 04 05 4 5c Sp HV Sp HV Sp HV Sp HV N/mm2 N/mm2 N/mm2 N/mm2 M4 520 M4 M7 580 M7 M10 590 M10 M16 610 130M16 M393

14、80 188 302 NQTa 500 272 353 QTb510 117 302 NQTa1 630 146302 NQTa1 6 8 9 Sp HV Sp HV Sp HV Sp HV N/mm2 N/mm2 N/mm2 N/mm2 M4 600 800 180 900 170M4 M7 670 855 915 M7 M10 680 870 940 M10 M16 700 150 880 200302 NQTa 950 M16 M39 720 170 302 NQTa1 920 233 353 QTb1 890 180 302 NQTa2 920 188302 NQTa2 6 KS B

15、0234:2009 A.5 ( ) 10 12 Sp HV Sp HV Sp HV N/mm2 N/mm2 N/mm2 M4 1 040 1 140 1 150 M4 M7 1 040 1 140 1 150 M7 M10 1 040 1 140 1 160 M10 M16 1 050 1 170 295 353 QTb1 1 190 M16 M39 1 060 272 353 QTb1 1 200 272 353 QTb2 . . . aNQT . bQT . c 5.6 5.8 ISO 898 1: 1988 HV 220 . , HV 250 . 7KS B 0234:2009 A.6

16、04 05 4 5 6 8 9 10 12 As ( AsSp) N mm mm2 1 1 1 1 2 2 1 1 2 M3 M3.5 M4 0.5 0.6 0.7 5.03 6.78 8.78 1 910 2 580 3 340 2 500 3 400 4 400 2 600 3 550 4 550 3 000 4 050 5 250 4 000 5 400 7 000 4 500 6 100 7 900 5 200 7 050 9 150 5 700 7 700 10 000 5 800 7 800 10 100 M5 M6 M7 0.8 1 1 14.2 20.1 28.9 5 400

17、7 640 11 000 7 100 10 000 14 500 8 250 11 700 16 800 9 500 13 500 19 400 12 140 17 200 24 700 13 000 18 400 26 400 14 800 20 900 30 100 16 200 22 900 32 900 16 300 23 100 33 200 M8 M10 M12 1.251.5 1.7536.6 58 84.3 13 900 22 000 32 000 18 300 29 000 42 200 21 600 34 200 51 400 24 900 39 400 59 000 31

18、 800 50 500 74 200 34 400 54 500 80 100 38 100 60 300 88 500 41 700 66 100 98 600 42 500 67 300 100 300 M14 M16 M18 2 2 2.5 115 157 192 43 700 59 700 73 000 57 500 78 500 96 000 97 900 70 200 95 800 121 00080 500 109 900138 200101 200138 200176 600 170 900109 300149 200176 600120 800164 900203 50013

19、4 600183 700 136 900 186 800 230 400 M20 M22 M24 2.5 2.5 3 245 303 353 93 100 115 100134 100122 500151 500176 500125 000154 500180 000154 400190 900222 400176 400218 200254 200225 400278 800324 800218 100269 700314 200225 400278 800324 800259 700321 200374 200 294 000 363 600 423 600 M27 M30 M33 3 3

20、.5 3.5 459 561 694 174 400213 200263 700229 500280 500347 000234 100286 100353 900289 200353 400437 200330 500403 900499 700422 300516 100638 500408 500499 300617 700422 300516 100638 500486 500594 700735 600 550 800 673 200 832 800 M36 M39 4 4 817 976 310 500370 900408 500488 000416 700497 800514 7

21、00614 900588 200702 700751 600897 900727 100868 600751 600897 900866 0001 035 000 980 400 1 171 000 8 KS B 0234:2009 KS B 0234:2009 9 A.6 A.6 . As . 232s24 ddA d22): d3 : 613Hdd d12) : H : A.7 0.5d 0.8d A.7 . , . A.7 N/mm2 N/mm26.8 8.8 10.9 12.9 04 380 260 300 330 350 05 500 290 370 410 480 A.8 A.8.

22、1 , M5 . A.1 A.2 (hardened) . ( A.6) ( A.1 ) . 15 , , . ( 1/2 , ). 2) d2 d1 KS B 0201 . KS B 0234:2009 10 HRC 45 . 5h6g . , 6g 1/4 . aD11 KS B 0401 ( ISO 286 2). A.1 A.2 A.8.2 120 3 . . dhdh dD11addhhdhddKS B 0234:2009 11 , HV 30 . ISO 18265 . KS B 0811 ( ISO 6507 1). KS B 0805 ( ISO 6506 1). KS B 0

23、806 ( ISO 6508 1). A.8.3 KS B 0548 ( ISO 6157 2). A.9 A.9.1 A.8 A.9 . A.8 A.3.1 4 5 6 8 9 10 12a 4 5 6 8 9 10 12 ( ) a 12 12 . A.9 A.3.2 04 05 A.9.2 M5 6 A.3 ( ) ( ) A.3 A.4 . . KS B 0234:2009 12 A.3 A.4 ( ) A.9.3 ( ) A.5 . M5 . A.6 . S A.5 A.6 A.9.4 A.9.1A.9.3 . A.9.5 , . . . SKS B 0234:2009 13 A.1

24、 : mm M3 M3.5 M4 0.5 0.6 0.7 2.900 3.385 3.873 2.874 3.354 3.838 2.675 3.110 3.545 2.615 3.043 3.474 M5 M6 M7 0.8 1 1 4.863 5.839 6.839 4.826 5.794 6.794 4.480 5.350 6.350 4.405 5.260 6.260 M8 M10 M12 1.25 1.5 1.75 7.813 9.791 11.767 7.760 9.732 11.701 7.188 9.026 10.863 7.093 8.920 10.745 M14 M16 M

25、18 2 2 2.5 13.752 15.752 17.706 13.682 15.682 17.623 12.701 14.701 16.376 12.576 14.576 16.244 M20 M22 M24 2.5 2.5 3 19.706 21.706 23.670 19.623 21.623 23.577 18.376 20.376 22.051 18.244 20.244 21.891 M27 M30 M33 3 3.5 3.5 26.670 29.628 32.628 26.577 29.522 32.522 25.051 27.727 30.727 24.891 27.557

26、30.557 M36 M39 4 4 35.583 38.583 35.465 38.465 33.402 36.402 33.222 36.222 KS B 0234:2009 14 A1 ( ) ISO/TC 2 . ISO (ISO/R 898 1: 1968) , ISO (ISO/R 898 2) 1969 . ISO / . a) ( ) . 8.8 (8.8 “8”) N/mm2 1/100 , 2 (8.8 “8”) (0.8) 10 . 2 (88 64) 10 (640) N/mm2 . b) ( ) , N/mm2 1/100 . 8.8 8 . ISO . 1973 ISO/TC 2 SC 1 2 , ISO . 1974 ISO/R 898 1: 1968 ISO/DI

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