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1、UDC 669.1 5-422669.15-1941621.882.6 Y JIS JAPANESE INDUSTRIAL STANDARD Alloy steel bars for special application bolting materials JIS G 41084994 r -m .- Translated and Published by Japanese Standards Association Printed in Japan Copyright Japanese Standards Association Provided by IHS under license
2、with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 08:18:21 MDTNo reproduction or networking permitted without license from IHS -,-,- In the event of any doubt arising, the original Standard in Japanese is to be final authority. Copyright Japanese Standards Assoc
3、iation Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 08:18:21 MDTNo reproduction or networking permitted without license from IHS -,-,- -_ J I S G*4308 94 4933608 0538635 504 W Class 1 Class 2 UDC 669.15-422:669.15-194:621.882.6
4、 No. 1 SNB 21-1 NO. 2 SNB 21-2 NO. 3 SNB 21-3 NO. 4 SNB 21-4 NO. 5 SNB 21-5 No. 1 SNB 22-1 NO. 2 SNB 22-2 NO. 3 SNB 22-3 NO. 4 SNB 22-4 JAPANESE INDUSTRIAL STANDARD JIS I NO. 5 Alloy steel bars for special application G 4108-1994 bolting materials SNB 22-5 1 . Scope alloy steel bars (hereafter refer
5、red t o as “steel bars“) t o be used for the manufacture of the bolts, stud bolts, washers, nuts and others for nuclear reactors and other special uses. This Japanese Industrial Standard specifies the rolled or forged Class 3 Remarks: The standards cited i n this Standard are shown i n Attached Tabl
6、e 1 . No. 1 No. 2 No. 3 No. 4 No. 5 2. Classes and symbols The classes and symbols of the steel bars shall be as given i n Table 1 and each class shall be subdivided into Nos. 1 t o 5 according t o the mechanical properties. Table 1 . Classes and symbols Class I Symbol SNB 23-1 SNB 23-2 SNB 23-3 SNB
7、 23-4 SNB 23-5 No. 5 SNB 24-1 SNB 24-2 SNB 24-3 SNB 24-4 SNB 24-5 3. Chemical composition Applicable diameter Diameter 100 mm max. Diameter 100 mm max. Diameter 150 mm max. Diameter 150 mm max. Diameter 200 mm max, Diameter 38 mm max. Diameter 75 mm max. Diameter 100 mm max. Diameter 100 mm max. Dia
8、meter 100 mm max. Diameter 200 mm max. Diameter 240 mm max. Diameter 240 mm max. Diameter 240 mm max. Diameter 240 mm max. Diameter 200 mm max. Diameter 240 mm max. Diameter 240 mm max. Diameter 240 mm max. Diameter 240 mm max. Informative reference A S T M A 540-B 21 Chromemolybdenum vanadium steel
9、 AISI 4142 H A S T M A 540-B 22 Chromemolybdenum steel AISI E-4340 H A S T M A 540-B 23 Nickel-chrome-molybdenum steel AISI 4340 ASTM A 540-B 24 Nickel-chrome-molybdenum steel 3.1 Cast analysis the cast analysis thereof shall be as given i n Table 2. Steel bars shall be subjected t o the test of 9.1
10、 and 3.2 Product analysis t o the test of 9.1 when requested by the purchasers and the value thereof shall be as given i n Table 3. The product analysis of steel bars shall be subjected Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001,
11、User=Wing, Bernie Not for Resale, 03/14/2007 08:18:21 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S G*4108 94 4933bOB 0518b3b 440 W 2 G 4108-1994 O U NCO O 0 “J? P I I O U CON O 0 ? O U O 0 orl 39 I O U C O N O 0 _- O U m 0 o0 orl * O U O m o0 r l c v * . O U ha * o
12、 O 0 O U m b r l c v O 0 * . M d U *rl ( I I O a o rl o Y u 1 2 O U m 0 O r l ?u. O U o m b c v 04 k U O U O m r l c v 99 n r/l d ( I I h rl cd U U 8 3 v *d U d ( I I O 8 U rl .rl Y 8 6 . cv al cd H 2 M do *ri U %-I ( I I O a U rl d o Y 8 u I i (d El O m O O I i (d B O m O O . O m O O . O U rl4 0 4
13、2? O U c o b O 0 ? . w B O m O O e 3 O m O O Cn . w B O m O O . w B O m O O . td a O m O O a O U nim O 0 “I pi - 2 O U - 4 om O 0 . * O U c o b O 0 ? O U Dm O 0 O U c o b O 0 ?“. ? O U c o b O 0 ? O U 4D O 0 ?“ O U b c o O 0 ?“ O U m a O 0 rl I m cvm ?5 - 55: O U m a O 0 4 I 4 cvm 25 53: rl I rl Nui
14、 z o CnU cl a cn o a cn ui O U rl rl ( I I 4 0 u 2 I C ; m O U rl cv rn d o v z I C ; m O U rl 4- ( I I 4 0 v z I C ; ( I I rl U 3 ( I I rl V 3 Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/20
15、07 08:18:21 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S G*4LO 94 m 4933608 0538637 387 m 3 G 4108-1994 4 . Mechanical properties and mechanical properties thereof shall be as follows. Steel bars shall be subjected t o the test of 9.2 (1) The proof stress, tensile
16、strength, elongation, reduction of area, hardness and the Charpy absorption energy of the steel bars subjected to the quenching-tempering and the stress relief annealing shall be as given in Table 4. (2) The steel bars subjected t o the annealing, unless otherwise specified, shall be tested only on
17、their hardness and the value obtained shall be 235 HBS or under. c L t Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 08:18:21 MDTNo reproduction or networking permitted without license fr
18、om IHS -,-,- PI 7 0 O orl u 4 alo g.2 i a (d m Ol m I rl N p7 w * I rl N F9 w m I N N rn 5 4 1 N Ol F9 w 4 G 4108-1994 o 3 d Uc, a k O (d Y Y - cn N * O ci rl N m _. d a *rl m m Y Y Y Y Y Y Y Y Y Y rl O * O u t i ri m - d a %-I O .;f mN rl coo rl Nm m ( I I r J Y O0 O uu ci O0 O ou I L aj d F 9 a x
19、k (d X O0 O0 u c i c n h a r - I CJN mN mo Nm r i c o VI m $ 2 CJ mN c n r - mo a r - Nm NN ( I I al d U k al a O k a rl d Y 3 CI . . ; f al rl P (d FI d d r d uai M $ 2 6 a 4 O vi a alw d o d .rl N m +- rl rl I I a 2 d M 3 .$I w u 6 a *rl O rl . d a .rl d d a N m rl rl I d 4 a O .;f ri ri . d .rl O
20、 h O rl a . d .rl *rl O O O m O cn 6 a a 6 a d O O O O0 o N c n m c o r - r- rl I rl I 6 a .rl O m O rl 6 a .rl O a m dd d 3 1 a mm m r l c o r - a O cn co O m co a 21 (d 3 a a 31 9 : : I u O : : I u O k al u al cd .rl fl a n . x cd E O O rl - N I rl N p7 w . x 8 O O rl - rl I rl N F9 w . X 8 m r- w
21、 (d a O m m I ri N ? i CA 4 O 2 CA Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 08:18:21 MDTNo reproduction or networking permitted without license from IHS -,-,- 5 G 4108-1994 d a d * m
22、 d cib F4 Fi O cd p” * * * * * Y d .I4 El O 4 m c n 4 rl C u 4 * 4 * o O 0 U U U I + rlrl Cu m 4 m m m m n r mo c v m mm Co a b Co mm m r l c v m *m a mm m O0 O u c i ci (0 Co a x Fi t d X O0 c i c i O0 O c i c i 4J C o m s : m n r 4 mo rl n r m m c n b m a b Co c v h l cv 6 l m m d d O m El d d El
23、O 4 d a d O 4 m 4 . d *-I El nr rl . Fl d m ri a rl rl 6 6 a 4 O O O rl d O m o. a O0 n r c n Cob . 4 O m O rl . d d m cv Co a mm r i c o hW O o Co a 9 c O O0 cio c i m o pid E ? . 2 or; rd bD 43 F i d Fi x m o m o m ala a,a b PFl 3Fl o m ord O O 0 u 0 u m 4 rl a c v ri ori cd bd r l D m 0-d a,* b 3
24、 d 3d ord ord 7 1”. 4 m o m o a Fi4 Fi O O 0 cio U m 4 rl PiCu a7 7 . rl orl x m o m o (d bj rlj a ( - i Fi m a,* ala b PC * e ord Od O ci Fi a , u a , El cd d R e F4 S O .O w or! F i r l o a o m P d 0 1 - 1 B m * ri ori x m o m o rd bD r l d m a a,a b 3 d P D ord ord a Fi m I cv cv m i 2 rl I 3 m z
25、 CA hi I m cv m I m cv CA 4 I m cv a z t L Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 08:18:21 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S G*4108 94
26、 4933608 0518640 971 6 G 4108-1994 8 a, Fi ai 4 ci9 pi Fi O vl P rd h pi 3 u rl a * d P a i d S a 4 drd H P $ O 4 4 4 m O 4 * * * * * a 3 : * I4 a d b 4 i 4 m d a d O 4 4 O 4 rl Cu m O ci Cu o Cu 2 % mm O0 c i c i m C u mo C u m cg co m O ci rl rl m m o m O ci m m Cu r l C u m 4m o mm m O0 O c i u c
27、i mm r l C u 44 r l m o r l 44 O0 c i c i vl vl a x Fi rd X O0 c i c i rlrl C u m mm d a 4 o 6 . d d a m 4 n 3 2 d ci d O o u o 4 ai rl P nf 4 *rl a O m O 4 O 4 I 3 d M O0 4 4 w u . . , $ m rl m rl Cu rl . d . d d a 0 0 o C u m co b . E O b O rl O m m 6 a .rl O O O0 cio cio u m O d. = i * PI 1“ 1 ;
28、O O cio cio o4 PCu 3; or; orl x m o 00 rd r l d C u $ F i * Fi 3 ord O o aia aia 3 6 3 6 O c i 0 4 3; O O0 cio cio 4 3Cu 3; 2 orl a Fi a r l -rl b 3 6 g6, x m o ou Ki bd Cud m aia aia Fi OKi O c i 0 O Fi ai u cd d ! a !El B - rl m o b6 *d orl m o r l d 0 4 o o Cud *rl Fi ord g-8 Fi ord $ 2 Fi ord $3
29、 m R m I 3 4 I 4 Cu m 1 m Cu l i I 4 Cu hl I 4 Cu Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 08:18:21 MDTNo reproduction or networking permitted without license from IHS -,-,- 7 G 4108
30、-1994 . n a al 7 d d U CI W . 4 al rl P a B h bo Fi al Q, E ! d U 9 a Fi O vi P a h a 3 U vi vi al F I m ax Fi a 3 : % rn w v i aal O M z Liu Fi al U al a d Fi El a O 2 vi $ h 4 rlrl rl r l C u Cu mm m O0 O UU U c o r n Cu ern o C u C u Cu d .z .z aa 2 *. O0 o C u m m c o b b 0 : or; XmCI oc) a 4 2
31、C u 2 a F i Fi o ala ala rn *d P l 2 rl o a o a rn I 4 Cu m w . a al U Fi O pi 2 al P rl rl a -2 b 2 s d U QI $4 O Cd h F4 3 3 U w O s 2 3 3 a rl al a d a Fi O w Fi al a al P rl rl : U rn al U U $ 8 8 d al 3c 3c . U Cu rl I al P rl O 3 vi d 8 3 U U vi al U U CI h pi Fi O w al Fi 7 U a Fi al 8 8 2 8
32、U U vi al U 4 Pcl k al al U a al U Fi O a al Fi al P rl rl 5 3 : U vi al U U c) a d 2 2 3 U d sl al Fi 7 U Fi w al 4 4 U a U o Fi al a al : 7 s H Cu Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/
33、14/2007 08:18:21 MDTNo reproduction or networking permitted without license from IHS -,-,- 8 G 4108-1994 Tolerance on diameter Deviation of diameter 5. dimension shall be as follows. Tolerances on shape and dimension The tolerances on shape and 1.5 %, with the minimum value 0.4 mm. A t most 70 % of
34、the range of tolerance on diameter. (1) The tolerances on shape and dimension of the hot rolled steel bar shall be as given i n Table 5. Tolerance on length Table 5. Tolerances on shape and dimension For length up t o and incl. 7 m For length over 7 m To the tolerance given above, add 5 mm t o the p
35、lus side tolerance for every 1 m increase or its fraction. +40 mm O Diameter mm Under 16 Permissible l i m i t of flaw depth A t most 4 % of nominal size, with the maximum of 0.5 mm Bend 16 or over t o and excl. 50 50 or over t o and excl. 100 100 or over 1 A t most 3 mm per 1 m, and A t most 3 % of
36、 nominal size, with the maximum of 1.0 mm A t most 2 % of nominal size, with the maximum of 1.5 mm A t most 1.5 % of nominal size, with the maximum of 3.0 mm length (ml for total length. at most 3 mm x lm I Remarks: The bend of the steel bar subjected t o the quenching-tempering or stress relief ann
37、ealing shall be the agreement between the purchaser and the supplier. (2) The tolerances on shape and dimension of the hot forged steel bar or the cold finished steel bar shall be as agreed between the purchaser and supplier. 6 . Appearance The appearance shall be as follows. (1) The steel bars shal
38、l be free from scales and defects harmful t o use. (2) The permissible l i m i t of flaw depth of the hot rolled steel bars shall be as given i n Table 6. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resal
39、e, 03/14/2007 08:18:21 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S G*4LO8 94 9 4933608 0538643 680 W f c 9 G 4108-1994 (3) The permissible l i m i t s of flaw depth of the hot forged steel bars and the cold finished steel bars shall be as agreed between the purcha
40、ser and supplier. 7. Manufacturing process The manufacturing process shall be as follows. (1) The steel bars shall be manufactured from the killed steel ingot. If necessary, the vacuum remelting process shall be applied. (2) A sufficient discard shall be made so as t o remove injurious piping and un
41、due segregation from the ingot. (3) The steel bars shall be manufactured by hot rolling, hot forging or cold finishing. When requested by the purchaser, the cold finishing shall be performed. (4) The steel bars shall be subjected t o pickling or blasting t o remove the scale. 8. Heat treatment The h
42、eat treatment shall be as follows. (1) The steel bars, when requested by the purchaser, shall be subjected t o the heat treatment either of annealing or quenching-tempering. case, the tempering temperature shall be 455OC or higher. In this (2) For the straightened steel bars, the stress relief annea
43、ling shall be applied by reheating them t o temperature not lower than 55OC below the above-mentioned tempering temperature. 9. Tests 9.1 Analysis test The analysis test shall be as follows. (1) General matters of the analysis test and the sampling for the cast analysis shall be as specified in 3. o
44、f JIS G 0303. (2) In the case of the vacuum remelting, the analyses shall be performed for the vacuum remelted ingots representing the f i r s t , middle and the last ingots of each melting i n the atmosphere. Further, the analyses of carbon and manganese shall be performed for the remelted ingots o
45、f all the ingots which are the remainder of the melting i n the same atmosphere. (3) The sampling for the product analysis shall be as specified i n 3. of JIS G 0321. the analysis as the sample. The tensile test piece after raptured can be furnished t o (4) The analysis method shall be i n complianc
46、e with any one of the follow- ing standards. JIS G 1211, JIS G 1212, J I S G 1213, JIS G 1214, J I S G 1215, J I S G 1216, JIS G 1217, JIS G 1218, J I S G 1221, J I S G 1252, J I S G 1253, J I S G 1256, J I S G 1257, JIS G 1258 Copyright Japanese Standards Association Provided by IHS under license w
47、ith JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 08:18:21 MDTNo reproduction or networking permitted without license from IHS -,-,- 10 G 4108-1994 9.2 Mechanical tests 9.2.1 Test i n general accordance with 4. of JIS G 0303. General matters of the mechanical tests shall be i n 9.2.2 Sampling of test mecimen. number of test Dieces and samDline; position of 4.2 of JIS G 0303 and the number of test pieces and sampling positions shall be as