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1、Q , e I ,-* - J I S GM3473 88 W 4933608 0048b44 O W UDC 669.1 4-462:62-222-462 JIS JAPANESE INDUSTRIAL STANDARD Carbon Steel Tubes for Cylinder Barrels JIS G 3 4 7 3 - 1 9 8 8 Translated and Published Japanese Standards Association Printed in Japan 9s Copyright Japanese Standards Association Provide
2、d by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 19:58:38 MDTNo reproduction or networking permitted without license from IHS -,-,- JIS G*3473 B A 4933b08 004Bb45 2 9 In the event of any doubt arising, the original Standard in Japanese is
3、 to be final authority. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 19:58:38 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S G*3473 88 W 4933608 004864b
4、4 1 STC 370 UDC 669.14-462:62-222-462 JAPANESE INDUSTRIAL STANDARD J I S J- STC 38 Carbon Steel Tubes for Cylinder Barrels G 3473-1988 1. Scope referred to as the “tubes“, used for manufacturing cylinder barrels of piston type hydraulic cylinders and pneumatic cylinders whose internal surf aces are
5、furnished by cutting or honing. This Japanese Industrial Standard specifies the carbon steel tubes, hereinafter Remarks 1. With a previous agreement of the manufacturer, the purchaser may designate the special quality requirements Z 3 specified in Appendix, in addition to those specified in this tex
6、t. Appendix Z 3: Ultrasonic Examination 2, The units and numerical values given in are based on the International System of Units (SI) and are appended for informative reference. Further, the traditional units accompanied by numerical values in this Standard shall be converted to the SI units and nu
7、merical values on Jan. 1, 1991. in this Standard 2. Grade and Designation The tubes shall be classified into 7 grades, and their designations shall be as given in Table 1-1 or Table 1-2. Table 1-1. Designation of Grade (Applicable till the end of 1990) Table 1-2. Designation of Grade (Applicable on
8、and after Jan. 1, 1991) Designation of Grade STC 38 STC 45 STC 52 A STC 52 B STC 55 STC 60 A STC 60 B (Re erence) Designation of Grade Tradftional svmbol STC 440 STC 510 A STC 45 STC 52 A STC 510 B I STC 52 B STC 540 STC 590 A STC 55 STC 60 A STC 590 B I STC 60 I 3 e Applicable Standards: See page 1
9、2. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 19:58:38 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S G*3473 w =0.024 66 t (D- t) When the inside diame
10、ter is specified; w=0.02466 t (oi+t) w : unit mass of the tube kg/m t : wall thickness of the tube mm Do : outside diameter of the tube mm Di : inside diameter of the tube mm Dimensional Tolerances When the outside diameter is specified, the tolerances shall be as specified Table 5. Table 5. Toleran
11、ces on Outside Diameter Hot-f inished I Up to 50 mm +- 0.5 mm i 1.0 %, however, the maximum is 1.0 mm. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 19:58:38 MDTNo reproduction or network
12、ing permitted without license from IHS -,-,- JIS G*3473 88 W 4933bOB 0048b5L B W Category Hot finished seamless steel tube Cold finished seamless steel tube 6 G 3473-1988 Tolerances on wall thickness I 12.5 %, however, the minimum is 0.5 mm i 10 %, however, the minimum is 0.3 mm Table 6. Tolerances
13、on Inside Diameter Category Cold finished seamless steel tube Cold finished electric re- sis tan ce welded steel tube Nominal inside diameter Up to and incl. 50 mm Over 50 mm up to and incl. 80 mm Over 80 mm up to and incl. 120 mm Over 120 mm up to and incl. 160 mm Over 160 mm up to and incl. 180 mm
14、 Over 180 mm up to and incl. 200 mm Tolerances on inside diameter Upper limit -0.10 mm -0.10 mm -0.10 mm -0.10 mm -0.10 mm -0.10 mm Lower limit -0.30 mm -0.40 mm -0.50 mm -0.60 mm -0.80 mm -0.90 mm Remark: The figures of tolerances on the inside diameter given in Table 6 shall be applied to the tube
15、s whose ratio of the wall thickness to the inside diameter is 4.5 % or more. For those of the ratio less than 4.5 %, the tolerances on the inside diameter of the tube shall be agreed upon by the purchaser and the manufacturer. (3) The tolerances on the wall thickness of the tube shall be as specifie
16、d in Table 7. Table 7. Tolerances on Wall Thickness I 5 8 %, however, the minimum is 0.15 mm Cold finished electric resistance welded steel tube (4) When the length of the tube is specified, the tolerances shall be on the plus side. (5) The tolerances on the straightness of the tube shall be 0.8 mm
17、or less for any arbitrary 1 m length, excluding the length of 300 mm at both ends of the tube. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 19:58:38 MDTNo reproduction or networking perm
18、itted without license from IHS -,-,- J I S G*3473 88 m 4933608 O048652 T m Designation of grade STC 38 7 G 3473-1988 Process of manufacture Heat treatment Application Hot finishing seamless process As manufactured Cutting 6. Appearance e STC 45 STC 52 A (1) Both ends of the tube shall be at right an
19、gles to the axis of the tube. Honing Cold finishing electric resis- tance welding stress relieving Cold finishing seamless As cold drawn or Cutting and process stress relieving honing Honing Cold finishing electric- resistance welding stress relieving As cold drawn or . As cold drawn or (2) The insi
20、de and outside surfaces of the tube shall be well-finished and free from defects detrimental to practical use. Stress relieving 7. Method of Manufacture The process of manufacture and heat treatment of the tube shall be as specified in Table 8-1 or Table 8-2. Table 8-1 or 8-2 may be agreed upon by t
21、he purchaser and the manufacturer. However, heat treatments other than those given in Table 8-1. Processes of Manufacture and Heat Treatment (Applicable till the end of 1990) Honing Cold finishing seamless process STC 60 A I As cold drawn or stress relieving honing Cutting and Cutting and honing Str
22、ess relieving Cold finishing seamless process STC 52 B Cold finishing electric resistance welding I Hot finishing seamless process STC 55 As manufactured Cutting I I l I . Cold finishing seamless process STC 60 B I Cutting and honing Stress relieving Remarks 1. The tubes specified “as manufactured“
23、may be subjected to an appropriate heat treatment at the discretion of the manufacturer. 2. The term “stress relieving“ used in this Standard includes such a heat treatment as a combination of cold working and heat treat- ment to obtain the desired mechanical property. Copyright Japanese Standards A
24、ssociation Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 19:58:38 MDTNo reproduction or networking permitted without license from IHS -,-,- - J I S G*3473 84 W 4733608 0048653 3i W Stress relieving 8 G 3473-1988 Honing Table 8-2
25、. Processes of Manufacture and Heat Treatment (Applicable on and after Jan. 1, 1991) As manufactured Process of manufacture Designation of grade Cutting STC 370 I Hot finishing seamless process ST 590 Cold finishing electric resistance welding STC 440 I Cold finishing seamless process Cold finishing
26、 seamless Cold finishing electric resistance welding STC 510 A Cold finishing seamless process Cold finishing electric I resistance welding STC 510 B Hot finishing seamless process STC 540 I Cold finishing seamless process STC 590 A I Heat treatment Application As manufactured Cutting Honing stress
27、relieving As cold drawn or stress relieving honing Honing As cold drawn or stress relieving Cutting and Cutting and honing Stress relieving As cold drawn or stress relieving honing Cutting and Cutting and honing Stress relieving Remarks 1. The tubes specified “as manufactured“ may be subjected to an
28、 appropriate heat treatment at the discretion of the manufacturer. 2. The term “stress relieving“ used in this Standard includes such a heat treatment as a combination of cold working and heat treat- ment to obtain the desired mechanical property. 8. Test - 8.1 Chemical Analysis 8.1.1 Chemical Analy
29、sis General matters of chemical analysis and method of sampling specimens for analysis shall be in accordance with 3. in JIS G 0303. 8.1.2 Analytical Method The analytical method shall be in accordance with one of the following Standards. JIS G 1211, JIS G 1212, JIS G 1213, JIS G 1214, JIS G 1215, J
30、IS G 1221, JIS G 1237, JIS G 1253, JIS G 1256, JIS G 1257 Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 19:58:38 MDTNo reproduction or networking permitted without license from IHS -,-,-
31、J I S G*3473 88 m 4933608 0048654 3 m 9 G 3473-1988 8.2 Tensile Test 8.2.1 Test Piece The test specimen shall be No. 11, No. 12 A, No. 12 B or No. 12 C test piece specified in JIS Z 2201 and shall be cut off from the pipe. 8.2.2 Test Method The test method shall be in accordance with JIS Z 2241. 9.
32、Inspection 9.1 Inspection The inspection shall be as follows. (1) General matters of inspection shall be as specified in JIS G 0303. (2) The test results of chemical analysis, mechanical properties, dimensions and appearance shall conform to the requirements specified in 3., 4., 5. and 6. specified
33、by agreement between the purchaser and the manufacturer, the results of inspection shall conform to the requirements specified in Z 3. Further, when the special quality requirement given in Appendix are (3) The number of specimens for product analysis shall be agreed upon between the purchaser and t
34、he manufacturer. The method of sampling specimens for tensile test shall be as follows: Take one specimen from each length of 500 m (250 m for tubes over 200 mm in outside diameter) or its fraction of the tubes of the same dimensions, and then from this specimen take one tensile test piece. (4) 9.2
35、Reinspection G 0303 for final acceptance. The tube is entitled to a retest specified in 4.4 in JIS 10. Marking Each tube having passed the inspection shall be marked with the following items. chaser, the tubes may be bundled together and marked for each bundle by a suita-. ble means. However, in the
36、 case of either smaller tubes or a request from the pur- In either case, the order of arranging the items is not specified, When approved by the purchaser, part of the items may be omitted. (1) Letter symbol of grade (2) (3) Dimensions( 2) (4) (5) Letter symbol indicating the manufacturing process(
37、1 ) Manufacturers name or its abbreviation Letter symbol indicating the special quality requirement, Z Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 19:58:38 MDTNo reproduction or network
38、ing permitted without license from IHS -,-,- - J I S G*3473 88 m 4933608 O048655 5 m 10 G 3473-1988 Notes ( l ) The letter symbol indicating the manufacturing process shall be as follows. However, the dash may be replaced by a blank. Hot finished seamless steel tube: -S-H Cold finished seamless stee
39、l tube: -S-C Cold finished electric resistance welded steel tube: -E -C ( 2 ) The dimensions of the tube shall be expressed by outside (or inside) diameter, wall thickness and length in this order and also in mm. When the outside diameter is specified, the letter symbol “OD“, and in the case inside
40、diameter is specified, the letter symbol “ID“ shall be placed before the figures that express the outside diameter and inside diameter, respectively. 11. Report test results, method, of manufacture, ordered dimensions, quantity and work lot number traceable to the history of manufacture, etc. The ma
41、nufacturer shall, as a rule, submit to the purchaser a report of the Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 19:58:38 MDTNo reproduction or networking permitted without license from
42、 IHS -,-,- JIS G*3473 88 W 4933608 0048656 7 W 11 G 3473-1988 Appendix. Special Quality Requirement The special quality requirement shall apply only when requested by the pur- chaser, and shall be executed by the manufacturer. Z 3. Ultrasonic Examination The criteria of the working sensitivity in th
43、e ultrasonic examination shall be Division UC specified in JIS G 0582 for hot finished steel tubes, and Division UB specified in JIS G 0582 for cold finished seamless steel tubes and cold finished electric resistance welded steel tubes, and in any case there shall be na signal equal to or greater th
44、an those produced by the artificial defects of the reference test block, The test method of the ultrasonic examination shall be as specified in JIS G 0582. The ultrasonic examination shall be applied for each tube, and the results shall conform to the requirements of (1). Copyright Japanese Standard
45、s Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 19:58:38 MDTNo reproduction or networking permitted without license from IHS -,-,- JIS G*3473 8B W 4933608 004Bb57 9 W 12 G 3473-1988 Applicable Standards: JIS B 8354-H
46、ydraulic Cylinders JIS B 8377-Pneumatic Cylinders JIS G 0303-General Rules for Inspection of Steel JIS G 0321-Product Analysis and its Tolerance for Wrought Steel JIS G 0582-Ultrasonic Examination of Steel Pipes and Tubes JIS G 1211-Methods for Determination of Carbon in Iron and Steel JIS G 1212-Me
47、thods for Determination of Silicon in Iron and Steel JIS G 1213-Methods for Determination of Manganese in Iron and Steel JIS G 1214-Methods for Determination of Phosphorus in Iron and Steel JIS G 1215-Methods for Determination of Sulfur in Iron and Steel JIS G 1221-Methods for Determination of Vanad
48、ium in Iron and Steel JIS G 1237-Methods for Determination of Niobium in Steel JIS G 1253-Method for Photoelectric Emission Spectrochemical Analysis of Iron and Steel JIS G 1256-Method for X-Ray Fluorescence Spectrometric Analysis of Iron and Steel JIS G 1257-Methods for Atomic Absorption Spectrochemical Analysis of Iron and Steel JIS Z 2201-Test Pieces for Tensile Test for Metallic Materials JIS Z 2241-Method of Tensile Test for Metallic Materials JIS