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1、JIS LX4311 91 = 4933608 0532350 669 Page 13 JAPANESE INDUSTRIAL STANDARD JIS G 4311-1991 Heat-resisting steel bars Posit ion Wrong Correct Clause 8, in the 5th line . in Table 17) . from the bottom . in Table 20) . / . May, 1996 ERRATA Remarks:This errata Js for correcting the first .edition of this
2、 Standard. Japanese standards Association Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/15/2007 19:52:51 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S G*4311 91
3、4933608 0502428 B M JIS JAPANESE INDUSTRIAL STANDARD Heat-resisting steel bars Translated and Published bY Japanese Standards Association UDC 669.1 4.01 8.85-422 Printed in Japan 12 s Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, Us
4、er=Wing, Bernie Not for Resale, 03/15/2007 19:52:51 MDTNo reproduction or networking permitted without license from IHS -,-,- ,-JIS G*43Ll 91 W 4933608 0502429 T In the event of any doubt arising, the original Standard in Japanese is to be fial authority. . Copyright Japanese Standards Association P
5、rovided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/15/2007 19:52:51 MDTNo reproduction or networking permitted without license from IHS -,-,- JIS G*431L 91 m 4933608 0502430 b f$ JAPANESE INDUSTRIAL STANDARD u ) Heat-resisting steel bars UDC
6、669.14.018.85-422 J I S G 4311-1991 1. Scope This Japanese Industrial Standard specifies heat-resisting steel bars (round bars, square bars, hexagonal bars and flat bars, hereafter generically referred t o as bars). The heat resisting steel bars include heat resisting steel wire rods (hereafter refe
7、rred to as wire rods). Further, among the stainless steel specified in J I S G 4303 and J I S G 4308, those given in Table 1 with the symbol of SUS may be used as heat resisting steel bars and wire rods. required. In that case, corrosion tests are not Remarks 1 . This Standard is applicable to the c
8、hemical compositions of semi-finished products and forgings. 2. Applicable standards in this Standard are shown in Attached Table 1 . 3. Corresponding International Standards in this Standard shall be as follows: IS0 4955-1983 Heat-resisting steels and alloys IS0 683/15-1976 Heat-treated steels, all
9、oy steels and free-cutting steels - Part 15 : Valve steels for internal combustion engines 2. Grade and symbol Bars and wire rods are classified into 35 grades, and their symbols and classification shall be as given in Table 1 . Copyright Japanese Standards Association Provided by IHS under license
10、with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/15/2007 19:52:51 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S GX4333 91 m 4933608 0502433 B m 2 G 4311-1991 Table 1 . Symbol of grade and classification Symbol of grade SUH31 SUH35 SUH3
11、6 SUH37 SUH38 SUH309 SUH310 SUH330 SUH660 SUH661 SUH446 SUH1 SUH3 SUH4 SUH11 SUH6OO SUH616 Remarks 1 . 2. 3. Classification Austenitic series Ferritic series !lartensitic series ;ymbol of ;rade sus304 sus309s sus31os SUS316 SUS316Ti sus317 sus321 sus347 SUSXM15 J1 sus405 sus 4 1 o L sus430 sus403 su
12、s410 SUS410 J1 sus431 SUS630 SUS631 Classification Austenitic series Ferritic series Martensitic series Precipitation hardening series Products indicated by symbol SUS i n this table shall comply with J I S G 4303 and JIS G 4308. I n the case where the products are necessarily expressed t o be bars
13、by a symbol, -B (hot finished steel bars) or -CB (cold finished steel bars) shall be suffixed t o the symbol of grade. Example: SUH309-B I n the case where products are necessarily expressed t o be wire rods by a symbol, -WR shall be suffixed t o the symbol of grade. Example: SUH11-WR Copyright Japa
14、nese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/15/2007 19:52:51 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S G*43LL 91 W 4933b08 0502432 T 3 G 4311-1991 3. Chemical compositio
15、n 0 3.1 Ladle analysis Bars and wire rods shall be subjected to the test of 9.1 and their ladle analysis shall be as given in Tables 2 to 4 . 3.2 Product analysis When the product analysis of bars and wire rods are required by the purchaser, the analysis test of 9 . 1 shall be carried out and the va
16、lues of permissible variation shall be as given in Table 4 of JIS G 0321. specified in this table shall be as agreed upon between the parties concerned with delivery. However, the values of the elements and chemical composition not Copyright Japanese Standards Association Provided by IHS under licen
17、se with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/15/2007 19:52:51 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S G*Li31L 91 M 4933608 0502433 L 4 G 4311-1991 O u d C O 0 *rl O 0 m o O u m b o m S J I I _ O u 0 0 O 0 ? ? I I I O u - 0
18、 O 0 ? I O u O 0 O 0 ? ? O u m 0 O 0 ? z I I O u O 0 r l m P I I I I I I 1 I 1 I I I O O u u O 0 O 0 O 0 O 0 4 - 4 - r4N rlrl O O u u O 0 O 0 m N m h F i r 4 m m O O m . m* O6 O B . . . . 9 9 99 ? 5 9fd O O e . 4* ? g 2 O E o s . . O 0 O0 mo O CJ 1 I I I I I I c o r i rl ur4 I I I I I I O0 O0 . o .
19、O0 O0 00 w u m O u O 0 o m O u O 0 r l N O u O 0 O 0 m r l r l r 4 O u. O 0 O 0 Or4 l i d ? ? . . c I I I I I O u O 0 O 0 w e r4N O u O 0 N m 4 “ . . 9 9 . . O u O 0 O 0 or4 r 4 r 4 O u m a m e . . _ J? O u O 0 O N r4N 9 ? O u O 0 O 0 4 w rlrl O 4J O 0 mv) rlrl . . 9 9 O u O 0 m m Or4 r 4 r 4 O u O
20、0 O 0 or4 . . . . 4 4 $4 U O0 O0 O0 mo m o a l i u l i . . . . o or4 m u r 4 O u O u O0 O0 . . O 0 O 0 . . 4 or- r4 ur4 O m . OB ? f d O0 4m o u 0 9 o 9 O m . ? $ o a O m ?ii oa O 4 J com O 0 ? rn O 4 . 9 g o s O 40 O6 2 9 O 4 ?i 0 s - O CI O O 0 O . O c o l i O r O O X (d . . da vi rl x z O O rl x
21、. z O N O m u 3 4;r oz 5 G 4311-1991 P 2 I I I O U O 0 N m O 0 O U vivi d O U vivi he4 orl b. M ci Z 3 5 I I O ci O 0 b r n ? ? I O U O 0 0 4 Y ? O U O 0 O 0 r i m rlrl O U O 0 O 0 O N rlrl . . n rl W k V O U O 0 0 4 l? n -I W O m ? $ o a . . O m 0 ; o a * ( d CA O m ?i o a O m . ox - a o a 5 *d v z
22、 w w O 0 pi . . O U O 0 vio orl .b O v i w 02 O a i o a . ( d O U O 0 com ri4 O U vivi m.;r O 0 . . 2 VI H N O 0 mu3 O 0 . . *d VI . . r l N u Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/15/200
23、7 19:52:51 MDTNo reproduction or networking permitted without license from IHS -,-,- JIS G*43LL 91 W 4933608 0502435 5 W 6 G 4311-1991 4 . Mechanical DroDerties Bars shall be subjected t o the mechanical test of 9.2 and their mechanical properties shall be as follows. However, those provisions shall
24、 not be applied t o wire rods. (1) Mechanical properties of austenitic series The proof stress, tensile strength, elongation, reduction of area, and hardness of solution treated bars and of the bar itself or their test pieces which have been aging treated after solution treatment shall be as given i
25、 n Table 5. I n these cases, the test specimen shall be class A of JIS G 0303. The proof stress, however, shall be applied only when specified by the purchaser. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for
26、 Resale, 03/15/2007 19:52:51 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S Gu4311 91 4933b08 0502436 i m m O (d !I$ hCo 2 2 r n c n 7 G 4311-1991 C O .rl U 3 rl O m Li a , U w (d x (d E l m nl ! a O co rl x Ei O Co 4 al P w C .rl w (d I m m d *rl R cv O m i a rl O N
27、 d a 4 w O $F9 ax k cd X d O .rl (d U a l v LIH 3 ( d a a,rw d o d *rl El O m al 4 P .rl rl Pl ZT 8 I I (dH M c c O0 rl .rl WU . j Co C .rl R m m d a .rl vi rl d a .rl O m . d .rl a O Co Co d .rl a O D vi _. . . d -rl El O O m d a 4 4-i O EI O .rl U O D b -. . -8 O m m . d .rl El m O N o d *rl O m m
28、 a o .ri Li X X U C u (d a , Q u U (d al X $ - U d al R U k U 8 U C al El U (d al L I u rl C O 4 U 7 rl O CA o *rl U 7 rl O cn . vi a , rl P (d : 1880 min. SUH11 685 880 min. min. Elonga- tion % 15 min. 15 min. 15 min. 10 min. 15 min. 15 min. 10 min. Reduction of area % 35 min. 35 min. 35 min. 15 mi
29、n. 35 min. 30 min. 25 min. Charpy impact Hardness value HB J/ cm2 +- 20 min. 269 min. 20 min. 262 min. - 321 max. Applicable dimension mm Diameter, side, width across flat, or thickness 75 max. 25 max. Over 25 up to and incl. 75 75 max. 25 max. 75 max. 75 max. Remarks 1 . Mechanical properties in ca
30、se of exceeding the applicable dimensions shall be as agreed upon between the parties concerned with delivery. 2. The charpy impact value shall be applied to bars of dimensions capable of sampling No. 3 test piece of JIS Z 2202. case where No. 3 test piece can not be sampled, the test piece and impa
31、ct value to be applied may be as agreed upon between the parties concerned with delivery, In the Table 8. Hardness in annealed condition (martensitic series) 269 max. SUH3 suH4 269 max. 321 max. SUH11 269 max. SUH6OO 269 max. SUH616 269 max. Copyright Japanese Standards Association Provided by IHS u
32、nder license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/15/2007 19:52:51 MDTNo reproduction or networking permitted without license from IHS -,-,- - JIS G84311 91 = 4933608 0502439 2 m 10 G 4311-1991 5. (4) Mechanical DroDerties of bars as cold drawn . . * The me
33、chanical properties of bars as cold drawn shall be as agreed upon between the parties concerned with delivery. Shapes, dimensions, and tolerances 5.1 Standard dimensions The standard dimensions shall be as follows. (1) The standard dimensions of hot rolled round bars and hexagonal bars shall be as g
34、iven in Table 9. Table 9. Standard dimensions Unit: mm 9 10 (11) 12 13 14 15 16 17 (18) Diameter of round bar 19 20 22 24 25 26 28 30 32 34 (35) 36 38 40 42 44 (45) 46 48 50 55 60 65 70 75 80 85 90 100 110 120 130 140 150 160 170 180 190 200 Width across f l a t of hexagonal bar 12 14 17 19 21 23 24
35、 26 2 7 29 30 32 35 38 41 46 Remarks: In designing, the dimensions i n parentheses should not be used. (2) The standard diameters of w i r e rods shall be as given i n Table 10. Table 10. Standard diameters Unit: mm 5 . 5 6.0 7.0 8.0 9.0 9.5 10 11 12 13 14 5 . 2 Tolerances on Shapes and dimensions T
36、he tolerances on shapes and dimensions shall be as follows. (1) The tolerances on diameter, side or width across f l a t of hot rolled round bars, square bars, and hexagonal bars as well as the permissible variation of ovality or deviation on them shall be as given i n Table 1 1 . Copyright Japanese
37、 Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/15/2007 19:52:51 MDTNo reproduction or networking permitted without license from IHS -,-,- - JIS G*43LL 91 4933608 0502440 9 = 11 G 4311-1991 Table 1 1 . Tolerances an
38、d permissible variation of ovality or deviations of hot rolled round bars, square bars, and hexagonal bars Unit: mm Diameter, side or Tolerances on diameter, Permissible variation ff width across flat side or width across flat ovality or deviations( ) +0.4 70 % max. of the full range - 28 max. of to
39、lerance Over 28 I +1.5 % I Note(2) The permissible variation of ovality or deviation is expressed by the difference between the maximum and the minimum values of diameter, side, or width across flat in the same section. (2) The tolerances on diameter and permissible variation of ovality of wire rods
40、 shall be as given in Table 12. 20 mm diameter shall be as agreed upon between the parties concerned with delivery. However, those of over Table 12. Tolerances and permissible variations of ovality of wire rods Unit: mm Permissible3variation Diameter +0.3 5.5 or over up to and incl. 15. - +0.4 Over
41、15 up to and incl. 20 - + 0 . 5 max. - + 06 max. - 3 Note ( ) The permissible variation of ovality is expressed by the difference between the maximum and the minimum values of diameter in the same section. ( 3 ) The tolerances on thickness and width of hot rolled flat bars shall be as given in Table
42、 13. Table 13. Tolerances of hot rolled flat bars Unit: mm I II I II Tolerance on thickness Thickness I Width Tolerance on I width + 0.7 - Under 25 Under 13 I + 0.5 II - + 1 . 0 25 o r over t o and excl. 50 50 or over UD to and + 2 % - 13 min. + 4 % 11 incl. 150 - I Copyright Japanese Standards Asso
43、ciation Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/15/2007 19:52:51 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S G*q31h 93 m 4933b08 0502443 O m 12 G 4311-1991 ( 4 ) The dimensional tolerances of co
44、ld finished bars shall be as given i n Table 14. The purchaser, however, shall specify the grade of tolerance. Further, the symbol expressing the grade of tolerance shall be as given i n Table 15. Table 14. Tolerances, and permissible variation of ovality or deviations of cold finished bars Unit: mm
45、 Diameter, side or width across flat, thickness and width 6 or over up t o and incl. 10 Over 10 up t o and incl. 18 Over 18 up t o and incl. 30 Over 30 up t o and incl. 50 Over 50 up t o and incl. 80 Over 80 up t o and incl. 120 Grade of tolerance Permissible variation of ovality or deviation O O O
46、O 30 % max. of -O. 036 -0.058 -0.090 -0.15 the f u l l range of O O O O tolerance -0. 043 -0.070 -0.11 -0. 18 O O O O -0. 052 -0. 084 -0.13 -0.21 O O O O -0.062 -0.100 -0. 16 -0.25 O O O O -0.074 -0.12 -0.19 -0.30 O -0.087 -0.14 I -:.22 I -0. 35 Remarks 1 . Grades 9 t o 1 1 apply t o round bars, gra
47、de 1 1 t o square bars, and grade 12 t o hexagonal and f l a t bars. Descriptions given i n the parentheses shall conform t o J I S B 0401. 2. Table 15. Symbol expressing grade of tolerance Grade of tolerance I Symbol I h g Grade 9 Grade 10 h 10 Grade 1 1 h 1 1 Grade 12 I h 12 Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/15/2007 19:52:51 MDTNo reproduction or networking permitted without license from IHS -