1、 KS D 3701KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS 2007 7 30 http:/www.kats.go.kr KS D 3701: 2007(2012 )KS D 3701: 2007 : ( ) ( ) ( ) ( ) ( ) ( ) : (http:/www.standard.go.kr) : :1962 7 6 :2007 7 30 :2012 12 19 : 20120732 : ( 02-509- 7274) (http:/www.kats.go.kr). 10 5 , . KS D 3701: 2007 (2012 ) Spri
2、ng steels 2004 3 ISO 683 14, Heat-treatable steels, alloy steels and free-cutting steels Part 14: Hot-rolled steels for quenched and tempered springs . 1 , , (torsion bar) ( .) . . ISO 683 14: 2004, Heat-treatable steels, alloy steels and free-cutting steels Part 14: Hot-rolled steels for quenched a
3、nd tempered springs 2 . . KS B 0801, KS B 0802, KS B 0805, KS D 0001, KS D 0204, KS D 0205, ( ) KS D 0206, ( ) KS D 0208, KS D 0210, KS D 0213, KS D 0216, KS D 0228, KS D 1650, KS D 1655, X KS D 1658, KS D 1659, KS D 1802, KS D 3701: 2007 2 KS D 1803, KS D 1804, KS D 1805, KS D 1806, KS D 1807, KS D
4、 1810, KS D 1817, KS D 1878, KS D 3752, 3 8 , 1 . 1 SPS 6 SPS 7 SPS 9 SPS 9A , . SPS 10 . SPS 11A , . SPS 12 . SPS 13 , . 4 a) . b) 4S . , 4S . c) . (HB) 302 . d) , . 5 8.3 2 . KS D 3701: 2007 3 2 % C Si Mn PaSaCr Mo V B SPS 6 0.56 0.64 1.50 1.80 0.70 1.00 0.030 0.030 SPS 7 0.56 0.64 1.80 2.20 0.70
5、1.00 0.030 0.030 SPS 9 0.52 0.60 0.15 0.35 0.65 0.95 0.030 0.030 0.65 0.95 SPS 9A 0.56 0.64 0.15 0.35 0.70 1.00 0.030 0.030 0.70 1.00 SPS 10 0.47 0.55 0.15 0.35 0.65 0.95 0.030 0.030 0.80 1.10 0.15 0.25 SPS 11A 0.56 0.64 0.15 0.35 0.70 1.00 0.030 0.030 0.70 1.00 0.000 5 SPS 12 0.51 0.59 1.20 1.60 0.
6、60 0.90 0.030 0.030 0.60 0.90 SPS 13 0.56 0.64 0.15 0.35 0.70 1.00 0.030 0.030 0.70 0.900.25 0.35 Cu 0.30 % .aP S 0.035 % . 6 , , 6.1 , , . 6.2 6.2.1 ( ) 3 , 4 . , KS D 3752 . 3 ( ) () : mm 9 10 11 12 (13) 14 (15) 16 (17) 18 (19) 20 (21) 22 (24) 25 (26) 28 (30) 32 (34) 36 (38) 40 (42) 44 45 46 (48)
7、50 (53) 55 (60) 63 (65) 70 (75) 80 1 . 2 32 mm . KS D 3701: 2007 4 4 ( ) : mm a10 0.20 0.20 10 16 0.25 0.25 16 21 0.30 0.30 21 34 0.40 0.40 34 46 0.50 0.50 46 75 0.70 0.70 75 80 1.00 1.00 1 mm . 2 1 m 3 mm , 3 mm (m)/1 m .a . 6.2.2 ( ) 5 , 6 . 5 () : mm 8 8.5 9 9.5 10 10.5 11 11.5 12 12.5 13 13.5 14
8、 14.5 15 16 16.5 17 17.5 18 18.5 (19) 20 (21) 22 (24) 25 26 28 30 32 34 36 38 40 42 44 45 46 (48) 50 (53) 55 56 60 63 (65) 70 (75) 80 1 . 2 14 mm . 6 : mm 12.5 0.06 0.06 12.5 26 0.08 0.08 26 48 0.10 0.10 48 80 0.15 0.15 1 mm . 2 6 . 6.3 a) 1 . b) 7 . 40 0 25 0 KS D 3701: 2007 5 c) 1) 5 m 15 mm , 1 m
9、 3 mm . 1 b L c 2 7 . . 8.4 . 8 8.1 KS D 0001 4.( ) . 8.2 KS D 0228 3. . 8.3 . KS D 1650, KS D 1655, KS D 1658, KS D 1659, KS D 1802, KS D 1803, KS D 1804, KS D 1805, KS D 1806, KS D 1807, KS D 1810, KS D 1817, KS D 1878 8.4 KS D 0216 . KS D 0216 . 1) 2 . 7 : mm t 5 6 7 8 9 10 11 12 13 14 16 18 20 2
10、2 25 30 b 0.15 0.15 0.25 0.15 0.15 0.18 0.20 0.20 0.25 0.25 0.25 0.30 0.15 0.15 0.18 0.20 0.20 0.25 0.25 0.30 0.30 0.35 0.18 0.18 0.20 0.25 0.25 0.25 0.30 0.30 0.30 0.35 0.35 0.40 0.45 0.50 0.20 0.20 0.25 0.25 0.30 0.30 0.30 0.30 0.35 0.35 0.40 0.25 0.25 0.30 0.30 0.30 0.30 0.35 0.35 0.40 0.45 0.50
11、0.30 0.30 0.30 0.30 0.35 0.35 0.40 0.45 0.50 45 50 60 70 80 90 100 150 0.500.600.600.800.801.001.001.000.40 0.40 0.50 0.50 1 , 6 25 % ( , 0.10 mm) . 2 . 3 R 0.5 t . , R . 4 mm . 5 7 . . KS D 3701:2007 6 400 KS D 3701: 2007 7 9 9.1 . a) KS D 0001 . b) 5. . c) , 6. . d) 7. . 9.2 9.1 . , , . 10 . , 30
12、mm . . a) b) c) d) 11 KS D 0001 . , 9.2 . 8 KS D 3701: 2007 , . 1 . 2 . a) ISO 683 14 . b) ISO 12 , 6 . c) . d) . e) . 153787 1 145 3(16) (02)26240114 (02)26240148 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS D 3701: 2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Spring steels ICS 77.140.10; 77.140.20