KS D 3752-2007 Carbon steels for machine structural use《机械结构用碳素钢材》.pdf

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1、 KS D 3752KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS KS D 3752: 2007 2007 9 19 http:/www.kats.go.krKS D 3752: 2007 : () ( ) () () () KIST ( ) : (http:/www.standard.go.kr) : :1965 10 6 :2007 9 19 20070711 : : ( 025097274) (http:/www.kats.go.kr ). 7 5 , . KS D 3752: 2007 Carbon steels for machine struct

2、ural use 1987 1 ISO 683 1, Heat-treatable steels, alloy steels and free-cutting steels Part 1: Direct-hardening unalloyed and low-alloyed wrought steel in form of different black products ISO 683 11, Heat-treatable steels, alloy steels and free-cutting steels Part 11: Wrought case-hardening steels ,

3、 . 1 , , , ( , .) . . ISO/IEC Guide 21 IDT( ), MOD( ), NEQ( ) . ISO 683 1, Heat-treatable steels, alloy steels and free-cutting steels Part 1: Direct-hardening unalloyed and low-alloyed wrought steel in form of different black products(MOD) ISO 683 11, Heat-treatable steels, alloy steels and free-cu

4、tting steels Part 11: Wrought case-hardening steels(MOD) 2 . ( .) . KS B 0801, KS B 0802, KS B 0805, KS B 0806, KS B 0810, KS B 0817, KS D 0001, KS D 0040, KS D 0204, KS D 0205, ( ) KS D 0206, ( ) KS D 0208, KS D 0210, KS D 3752: 2007 2 KS D 0213, KS D 0216, KS D 0228, KS D 0233, KS D 1652, KS D 165

5、5, X KS D 1659, KS D 1673, KS D 1802, KS D 1803, KS D 1804, KS D 1805, KS D 1806, KS D 1807, KS D 1808, KS D 1809, KS D 1810, KS D 3051, KS D 3052, KS D 3500, , , KS D 3502, , KS D ISO 404, 3 23 , 1 . SM 9CK, SM 15CK SM 20CK 3 . 4 4.1 . 4.2 , 4S . , 4S . 4.3 , . 5 7. 1 . KS D 3752: 2007 3 1 : % (%)

6、C Si Mn P S SM 10C SM 12C SM 15C SM 17C SM 20C SM 22C SM 25C SM 28C SM 30C SM 33C SM 35C SM 38C SM 40C SM 43C SM 45C SM 48C SM 50C SM 53C SM 55C SM 58C 0.08 0.13 0.10 0.15 0.13 0.18 0.15 0.20 0.18 0.23 0.20 0.25 0.22 0.28 0.25 0.31 0.27 0.33 0.30 0.36 0.32 0.38 0.35 0.41 0.37 0.43 0.40 0.46 0.42 0.4

7、8 0.45 0.51 0.47 0.53 0.50 0.56 0.52 0.58 0.55 0.61 0.15 0.35 0.15 0.35 0.15 0.35 0.15 0.35 0.15 0.35 0.15 0.35 0.15 0.35 0.15 0.35 0.15 0.35 0.15 0.35 0.15 0.35 0.15 0.35 0.15 0.35 0.15 0.35 0.15 0.35 0.15 0.35 0.15 0.35 0.15 0.35 0.15 0.35 0.15 0.35 0.30 0.60 0.30 0.60 0.30 0.60 0.30 0.60 0.30 0.6

8、0 0.30 0.60 0.30 0.60 0.60 0.90 0.60 0.90 0.60 0.90 0.60 0.90 0.60 0.90 0.60 0.90 0.60 0.90 0.60 0.90 0.60 0.90 0.60 0.90 0.60 0.90 0.60 0.90 0.60 0.90 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.035 0.035 0.035 0.035 0.03

9、5 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 SM 9CK SM 15CK SM 20CK 0.07 0.12 0.13 0.18 0.18 0.23 0.10 0.35 0.15 0.35 0.15 0.35 0.30 0.60 0.30 0.60 0.30 0.60 0.025 0.025 0.025 0.025 0.025 0.025 1 Cr 0.20 % . , 0.30 % . 2 SM 9CK, SM 15CK SM 20CK Cu 0.25

10、 , Ni 0.20 % , Ni Cr0.30 % , Cu 0.30 % , Ni 0.20 % , Ni Cr 0.35 % . , Ni Cr SM 9CK, SM 15CK SM 20CK 0.40 % , 0.45 % . 3 , 7. 1 KS D 0228 3 . 6 , 6.1 6.1.1 . , , . . KS D 3752: 2007 4 6.1.2 a) , 4 % ( , 5 mm) . 1/4 . , . . b) . . 2 . 2 ( ) mm 16 4 % . , 0.5 mm 16 50 3 % . , 1.0 mm 50 100 2 % . , 1.5

11、 mm 100 1.5 % . , 3.0 mm c) , 3 . . 3 ( ) mm 16 0.15 mm 16 50 1 % . , 0.35 mm 50 100 0.7 % . , 0.50 mm 100 130 0.5 % d) . e) . 6.1.3 ( , , 6 ) 4 . KS D 3752: 2007 5 4 : mm () () 6() () (10) 11 (12) 13 (14) (15) 16 (17) (18) 19 (20) 22 (24) 25 (26) 28 30 32 34 36 38 40 42 44 46 48 50 55 60 65 70 75 8

12、0 85 90 95 100 (105) 110 (115) 120 130 140 150 160 (170) 180 (190) 200 404550556065707580859095 100 (105)110 (115)120 130 140 150 160 180 200(12) 13 14 17 19 22 24 27 30 32 36 41 46 50 55 60 63 67 71 (75) (77) (81) 5.5 6 7 8 9 9.5 (10) 11 (12) 13 (14) (15) 16 (17) (18) 19 (20) 22 (24) 25 (26) 28 303

13、2343638404244464850 ( ) . 6.1.4 a) c) . , . a) 5 . 5 1.5 %. , 0.4 mm . a 70 % . 7 m 400mm 7 m 1 m 5 mm . 0 mm . (R) 10 20 % . . 1 m 3 mm , 3 mmm1(m) . a . . b) 6 6 . KS D 3752: 2007 6 6 6 mm 19 19 32 32 55 55 mm 0.7 0.8 1.0 1.2 amm 1.0 1.1 1.4 1.7 7 m 400mm 7 m . 1 m 5 mm . 0 mm . . 1 m 3 mm , 3 mmm

14、1(m) .a 6 . c) 7 . 7 : mm 15 0.3 0.4 15 25 0.4 0.5 25 32 0.5 0.6 32 50 0.6 0.7 50 mm . 6.2 6.2.1 KS D 3500 7. . 6.2.2 KS D 3500 7. . , . 6.2.3 KS D 3500 4. . 6.2.4 . a) KS D 3500 5. . , KS D 3752: 2007 7 160 mm 160 mm . b) 1 3) . 1) 160 mm SM 10 SM 25 C KS D 3500 5. . 2) 160 mm SM 28 SM 58 C 8 . 3)

15、160 mm . 8 (SM 28 C SM 58 C) : mm 1 250 1 250 1 600 1 600 2 000 2 000 2 500 2 500 3 000 3 000 1.60 27 30 1.60 4.00 24 27 30 4.00 6.30 21 24 27 33 39 42 6.30 10.0 18 21 24 30 36 39 10.0 25.0 15 18 21 24 27 30 25.0 63.0 12 15 18 21 24 27 63.0 160 12 12 15 18 21 24 1 . 2 8 4 000 mm , 4 000 mm . 3 , . 4

16、 ( ) . 5 . 6.3 6.3.1 KS D 3052 10. . 6.3.2 KS D 3052 10. . , . 6.3.3 KS D 3052 5. . 6.3.4 , , KS D 3052 7. . KS D 3752: 2007 8 6.4 6.1, 6.2 6.3 , , , . 7 . a) , KS D 0001 4.( ) . b) KS D 0228 3.( ) . c) . KS D 1652, KS D 1655, KS D 1659, KS D 1673, KS D 1802, KS D 1803, KS D 1804, KS D 1805, KS D 18

17、06, KS D 1807, KS D 1808, KS D 1809, KS D 1810 , KS D 0228 . 8 8.1 . a) KS D 0001 . b) 5. . c) , 6. . 8.2 8.1 . , , , , , , , , , , , . . KS B 0801, KS B 0802, KS B 0805, KS B 0806, KS B 0810 KS B 0817, KS D 0040 KS D 0204 KS D 0205 KS D 0206 KS D 0208 KS D 0210 KS D 0213 KS D 0216 KS D 3752: 2007 9

18、 9 . , , , 30 mm 1 . . a) b) c) d) 1)10 KS D 0001 9. . 8.2 . 1) KS D 3051, KS D 3052, KS D 3500 KS D 3502 . KS D 3752: 2007 10 KS D 3752: 2007 . 1 . , 6 5 ISO KS D 3867( ) . KS D 3867 . . 2 a) “ .” . “ ” “ ” “ .” . b) Cr , Cr 1 1 “Cr 0.20 % . , 0.30 % .” . 2 “ , Ni+Cr SM 9CK, SM 15CK SM 20CK 0.40 %

19、 0.45 % .” . c) “ . , .” , KS D 3867 “ . , , . .” . d) 1) “ ” “ ” 2 “ ” . 2) , KS D 3867 d) , e) . 3) KS D 3752: 2007 11 KS D 3867 “ KS D 3052 10. . .” . e) 32 mm 50 mm . f) , 16 mm 16 mm 2 KS D 3867 . 50 mm 7 4 . g) KS D 3052 10. . h) i) KS D 0040 . 3 1 . 1 . 2 KS D 0228 . , . 9 mm, 170 mm, 190 mm

20、 9.5 mm . 6 , . , , , , . , , , , , . , . , . “ ” “ 30 mm ” , . (%) () () C Mn Ac Ar (N) (A) (H) kgf/mm2(N/mm2) kgf/mm2(N/mm2)(%) (%) kgfm/cm2(J/cm2) (HB) (mm) N21 (206) 32 (314) 33 109156 S 10C 0.080.13 0.300.60 720880 850780 900950 900 A 109149 A 109149 S 09CK 0.070.12 0.300.60 720880 850780 900950 900 1 800920 ( ) 2 750800 150200 H25 (245) 40 (392) 23 55 14 (137) 121179 N24 (235) 38 (373) 30 111167 S 12C S 15C 0.100.150.130.180.300.60 0.300.60 720880 845770 880930 880 A 111149 A 111149 S 15CK 0.130.18 0.300.60 720880 845770 880930 880 1

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