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1、J I S Gt35b0 94 m 4933608 0523244 450 m JIS - UDC 669.14.01 8.27-4261621.785.72 JAPANESE INDUSTRIAL STANDARD Oil tempered wire for mechanical springs JIS G 3 5 6 0 - 1 9 9 4 Translated and Pubdished bY Japanese Standards Association Printed in Japan 5 s Copyright Japanese Standards Association Provi
2、ded by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/11/2007 07:18:38 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S GU3560 94 m 4933608 0523245 397 m In the event of any doubt arising, the original Standard in Japa
3、nese is to be final authority. , Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/11/2007 07:18:38 MDTNo reproduction or networking permitted without license from IHS -,-,- JIS G+35bO 94 4933b08 052
4、124b 223 T Y Pe Oil tempered carbon steel wire for mechanical springs Class A UDC 669. 14. 018. 27-426: 621. 785. 72 Symbol SWO-A JAPANESE INDUSTRIAL STANDARD J I S Oil tempered carbon steel wire for mechanical springs Class B Oil tempered wire for mechanical springs G 3560-1994 SWO-B 1. Scope (here
5、after referred to as “wires“) used for ordinary mechanical springs. This Japanese Industrial Standard specifies the oil tempered wire Oil tempered silicon chromium springs steel wire for mechanical Remarks 1. The standards cited in this Standard are as follows: JIS G 0558 JIS G 3506 JIS K 1310 Hydro
6、chloric acid JIS Z 2241 2. The International standards corresponding to this Standard are given as follows: IS0 8458-1: 1989 Steel wire for mechanical springs - Part 1: General requirements Steel wire for mechanical springs - Part 3: Oil-hardened and tempered wire Methods of measuring decarburized d
7、epth for steel High carbon steel wire rods Method of tensile test for metallic materials IS0 8458-3: 1992 SWOSC-B 2. into six types and the symbols and applicable wire diameters thereof shall be as given in Table 1. Types, symbols and applicable wire diameters Wires shall be classified Oil tempered
8、silicon manganese springs Class A steel wire for mechanical Table 1. Types, symbols and appllicable wire diameters SWOSM-A Oil tempered silicon manganese springs Class C steel wire for mechanical 1 SWOSM-C Oil tempered silicon manganese steel wire for mechanical springs Class B SWOSM-B Applicable wi
9、re diameter 2.00 mm or over up to and incl. 12.0 mm 1.00 mm or over up to and incl. 15.0 mm 4.00 mm or over up to and incl. 14.0 mm 4.00 mm or over up to and incl. 12.0 mm Summary Principally for springs receiving static load Principally for springs receiving dynamic load Copyright Japanese Standard
10、s Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/11/2007 07:18:38 MDTNo reproduction or networking permitted without license from IHS -,-,- JIS Gr3560 94 = 4933608 0523247 LbT W Si 0.10 to 0.35 2 G 3560-1994 Mn P S Cr Cu 0.30
11、 to 1.20 0.040 max. 0.040 max. - - 3. Chemical composition materials used for manufacture of wires shall be as given in Table 2. The chemical composition by the cast analysis of 0.10 to 0.35 1.20 to 1.60 Table 2. Chemical composition Unit: % 0.30 to 1.20 0.030 max. 0.030 max. - - 0.50 to 0.90 0.035
12、max. 0.035 max. 0.55 to 0.90 - Symbol 1.50 to 1.80 SWOSM I 0.56 to 0.64 0.70 to 1.00 0.035 max. 0.035 max. - 0.30 max. 4. Mechanical properties 4.1 Tensile strength the tensile strength shall be as given in Table 3. Wires shall be subjected to the test specified in 9.2, and Table 3. Tensile strength
13、 Unit: N/mm2 Standard wire diameter (9 mm 1.00 1.20 1.40 1.60 1.80 2.00 2.30 2.60 2.90 3.00 3.20 3.50 4.00 4.50 5.00 5.50 5.60 6.00 6.50 7.00 7.50 8.00 8.50 9.00 9.50 10.0 10.5 11.0 11.5 12.0 13.0 14.0 15.0 SWO-A - - - - - 1570 to 1720 1570 to 1720 1570 to 1720 1520 to 1670 1470 to 1620 1470 to 1620
14、 1470 to 1620 1420 to 1570 1370 to 1520 1370 to 1520 1320 to 1470 1320 to 1470 1320 to 1470 1320 to 1470 1230 to 1370 1230 to 1370 1230 to 1370 1230 to 1370 1230 to 1370 1180 to 1320 1180 to 1320 1180 to 1320 1180 to 1320 1180 to 1320 1180 to 1320 - - - SWO-B - - - - - 1720 to 1860 1720 to 1860 1720
15、 to 1860 1670 to 1810 1620 to 1770 1620 to 1770 1620 to 1770 1570 to 1720 1520 to 1670 1520 to 1670 1470 to 1620 1470 to 1620 1470 to 1620 1470 to 1620 1370 to 1520 1370 to 1520 1370 to 1520 1370 to 1520 1370 to 1520 1320 to 1470 1320 to 1470 1320 to 1470 1320 to 1470 1320 to 1470 1320 to 1470 - - -
16、 SWOSC-B 1960 to 2110 1960 to 2110 1960 to 2110 1960 to 2110 1960 to 2110 1910 to 2060 1910 to 2060 1910 to 2060 1910 to 2060 1860 to 2010 1860 to 2010 1860 to 2010 1810 to 1960 1810 to 1960 1760 to 1910 1760 to 1910 1710 to 1860 1710 to 1860 1710 to 1860 1660 to 1810 1660 to 1810 1660 to 1810 1660
17、to 1810 1660 to 1810 1660 to 1810 1660 to 1810 1660 to 1810 1660 to 1810 1660 to 1810 1610 to 1760 1610 to 1760 1610 to 1760 1610 to 1760 SWOSM-A - - - - - - - - - - - - 1470 to 1620 1470 to 1620 1470 to 1620 1470 to 1620 1470 to 1620 1470 to 1620 1470 to 1620 1420 to 1570 1420 to 1570 1420 to 1570
18、1420 to 1570 1420 to 1570 1370 to 1520 1370 to 1520 1370 to 1520 1370 to 1520 1370 to 1520 1370 to 1520 1370 to 1520 1370 to 1520 - SWOSM-B - - - - - - - - - - - - 1570 to 1720 1570 to 1720 1570 to 1720 1570 to 1720 1570 to 1720 1570 to 1720 1570 to 1720 1520 to 1670 1520 to 1670 1520 to 1670 1520 t
19、o 1670 1520 to 1670 1470 to 1620 1470 to 1620 1470 to 1620 1470 to 1620 1470 to 1620 1470 to 1620 1470 to 1620 1470 to 1620 - SWOSM-C - - - - - - - - - - - - 1670 to 1810 1670 to 1810 1670 to 1810 1670 to 1810 1670 to 1810 1670 to 1810 1670 to 1810 1620 to 1770 1620 to 1770 1620 to 1770 1620 to 1770
20、 1620 to 1770 1570 to 1720 1570 to 1720 1570 to 1720 1570 to 1720 1570 to 1720 1570 to 1720 - - - Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/11/2007 07:18:38 MDTNo reproduction or networking p
21、ermitted without license from IHS -,-,- J I S Gr3560 94 4933608 0523248 OTb I I Over 8.00 up to and incl. 14.0 3 G 3560-1994 30 min. Note (l) The standard wire diameter shall be as specified in 5.1. Remarks: For the tensile strength of an intermediate wire diameter, the value specified for the adjac
22、ent larger diameter shall be applied. 4.2 Wrapping(2) ed to the wrapping test specified in 9.3, and shall produce neither detrimental flaw on its surface nor fracture. The wires 6.00 mm or smaller in diameter shall be subject- 4.3 Bend(2) bend test specified in 9.4, and shall produce neither detrime
23、ntal flaw on its surface nor facture. The wires over 6.00 mm in diameter shall be subjected to the Note (2) The wrapping and bend may he substituted by the following either of torsion or area reduction characteristic. (i) Torsion For the torsion of wires, wires of 6.00 mm or under in wire diameter s
24、hall be subjected to the test ,specified in 9.5, and the torsional state and the fractured surface state shlall be as given in Table 4. Table 4. Torsional state and fractured surface state Torsional state After fracture, the surface shall be free from detrimental flaws. The fractured surface shall b
25、e normal to the axis of the wire and free from flaws, cracks, etc. Fractured surface state (2) Reduction of area For the reduction of area of wires, that of at most 14.0 mm in wire diameter shall be subjected to the test specified in 9.2, and the resulted reduction of area shalli be as given in Tabl
26、e 5. Table 5. Reduction of area 45 min. 40 min. Wire diameter mm 1.00 or over up to and incl. 3.00 Over 3.00 up to and incl. 5.00 Over 5.00 up to and incl. 8.00 I 35 min. 5. Wire diameter and tolerance 5.1 Standard wire diameter ed in Table 6. The standard wire diameters shall be as specif- Copyrigh
27、t Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/11/2007 07:18:38 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S G+3560 94 4933b08 0523249 T32 Wire diameter 1.00 or over up
28、to and incl. 1.40 4 G 3560-1994 Tolerance Permissible ovality 0.025 max. f 0.025 Table 6. Standard diameters of wire Unit: mm Over 1.40 up to and incl. 3.20 Over 3.20 up to and incl. 5.60 Over 5.60 up to and incl. 8.50 Over 8.50 up to and incl. 10.0 Over 10.0 up to and incl. 15.0 1.00 1.20 1.40 1.60
29、 1.80 2.00 2.30 2.60 2.90 3.00 3.20 3.50 4.00 4.50 5.00 5.50 5.60 6.00 6.50 7.00 7.50 8.00 8.50 9.00 f 0.035 0.035 Max. f 0.045 0,045 max. f 0.060 0.060 max. f 0.070 0.070 max. f 0.090 0.090 max. 9.50 10.0 10.5 11.0 11.5 12.0 13.0 14.0 15.0 Wire diameter mm 1.00 or over up to and incl. 2.00 Over 2.0
30、0 up to and incl. 6.00 Over 6.00 up to and incl. 15.0 5.2 eters shall be measured in accordance with 9.6, and the tolerances on wire diameters and permissible ovality P) shall be as specified in Table 7. Tolerances on wire diameters and permissible ovality The wire diam- Depth of flaw 0.02 mm max. 1
31、.0 % max. of wire diameter 1.4 % max. of wire diameter Note (3) The permissible ovality is expressed by the difference between the maximum and minimum values of diameter measured in the same cross-section of the wire. Table 7 . Tolerances on wire diameters and permissible ovality Unit: mm 6. Surface
32、 condition 6.1 Appearance other defects which are detrimental. The wires shall be free from external flaws, scales, rust and 6.2 Flaw flaws shall be as given in Table 8. The wires shall be tested in accordance with 9.7 and the depth of Copyright Japanese Standards Association Provided by IHS under l
33、icense with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/11/2007 07:18:38 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S G*3560 94 4933608 O523250 7!54 5 G 3560-1994 6.3 Decarburized layer the test specified in 9.8, and the total decarbu
34、rized depth shall be at most 1.5 % of the wire diameter. The decarburized. layer of wires shall be subjected to 7. Materials specified in JIS G 3506. However, the chemical composition shall be as given in 3. Materials used for manufacture of wires shall be wire rods as 8. Manufacturing method Wires
35、shall be manufactured by oil tempering after cold drawing. 9. Test 9.1 Sampling of test pieces Take each one test piece for tensile test, wrap- ping test, bend test, torsion test, and flaw det.ection test from one end of each coil of wire. Though the test piece for measuring decarburized depth shall
36、 be taken from one end of one coil representing the lot manufactured continuously under the same conditions, sampling can be further carried out as agreed upon between the parties concerned with delivery. 9.2 Tensile test Z 2241 with the gripping distance of approximately 200 mm. The tensile test sh
37、all be carried out in accordance with JIS When the test piece is fractured at the gripping portion, the test shall be invalidated and a retest on a test piece taken afresh from the same coil of wire, shall be conducted. 9.3 Wrapping test Wind a test piece fouir or more times tightly around a mandrel
38、 of the same diameter as the wire for the wires 4.00 mm or smaller, and around a mandrel of diameter twice the wire diameter for the wires over 4.00 mm, and then, check for the presence of fractures and occurrence of flaws. 9.4 Bend test Bend a test piece through 90“ along an arc of a radius equal t
39、o the diameter of the test piece, and then, ch.eck form the existence of fractures or flaws. 9.5 Torsion test For the torsion test, grip firmly both ends of a test piece at a gripping interval of 100 times the wire diameter, rotate its one side in the same direction until it is fractured while it is
40、 being tensed to the extent not to be bent, and examine the state of torsion at that time and the state of the fractured surface. 9.6 Measurement of wire diameters To determine the wire diameter, mea- sure the makimum and the minimum diameters in the same cross-section at an arbitrary spot on the wi
41、re. 9.7 Flaw detection test Immerse a test piece of an appropriate length from which residual strain has been released in a boiling solution of a proper concent- ration of hydrochloric acid (JIS K 1310) and water by about 200 mm. When the wire diameter is reduced by approximately 1 I% without suffer
42、ing any spot corrosion, examine for the existence of flaws. the depth of the removed flaw with micrometer callipers. For the depth of a flaw, generally, chip until the flaw is removed and measure Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/11
43、11111001, User=Wing, Bernie Not for Resale, 03/11/2007 07:18:38 MDTNo reproduction or networking permitted without license from IHS -,-,- JIS Gm3560 94 m 4933608 052L25L 690 m 6. G 3560-1994 9.8 sured in accordance with JIS G 0558. The cross section of a test piece is polished, and the decarburized
44、state is examined with a microscope after etching. The magnifying power of the microscope shall be 100 to 500 magnification. Test for measuring decarburized depth The decarburized depth is mea- 10. Inspection The inspection shall be as follows: (1) (2) (3) (4) The chemical composition shall conform
45、to the requirements specified in 3. The mechanical properties shall conform to the requirements specified in 4 . The wire diameters (tolerances and permissible ovalities) shall conform to the requirements specified in 5. The surface state shall conform to the requirements specified in 6. 11. Marking
46、 The the following items on wire having passed the inspection shall be marked with each coil. (1) Symbol of type (2) Wire diameter (3) Manufacturers name or identifying brand 12. Report the results record on the specified items. When requested by the purchaser, the manufacturer shall submit Related
47、standards: JIS B 2704 JIS B 2709 JIS G 3561 Helical compression and extension springs - Requirements for design Design of helical torsion springs Oil tempered wire for valve springs Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User
48、=Wing, Bernie Not for Resale, 03/11/2007 07:18:38 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S G*35b0 94 m 4933b08 0521252 527 G 3560-1994 Edition 1 Japanese Text Established by Minister of International Trade and Industry Date of Establishment: 1963-03-01 Date of Revision: 1994-06-01 Date of Public Notice in Official Gazette: Investigated by: 1994-06-07 Japanese Industrial Standards Committee Divisional Council on Iron and Steel This English translation is published by: Japanese Standards, As