GB2518-2008连续热镀锌国家标准

ICS 77.140.50 H 46 Continuously hot-dip zinc-coated steel sheet and strip TPJX#+HA%~S*%@H3lBK&%*%@m&B. RB& HBH3lHX#F,# IEE~ m ~ ~ ~ ( ; l c a ~ a s m p ~ ~ ~ ) s ~ ~ ~ ~ ; l c ~ m ~ * ~ ~ ~ ~ a ~ ~ ~ ~ ~ * ~ ~ ~ ~ w ~ m ~ g ; ; t j ~ ~ BS~IEB&&*#M$%%~~E*- RB5S HSglHSIBX#tX%&E*SM'f-*6@. GB/T 223.5 m s isSea*e-$fmfia jsmaemimmmm GB/T 223.9 @%a&& %-$f H f i B %X% S %%%iB& GB/T 223.12 @BBe&%%%Rg;;tj& @E@#3)&-~%E@$k~R%l&&da1Si$f GB/T 223.13 @B.R+&k%%Rk& QE@Z%B%f & 1 B % f GB/T 223.14 %%B&&.jl;%Bfik& 4iilHSPJ%4j!jlYER&N%%f GB/T 223.16 %%B$&4k%%fi%& $ $ @ % B % N S R d GB/T 223.17 @ % B e & R % 3 ) 6 k & ~ W B E W P R % i B & N E B & GB/T 223.26 eW%B-ff& % H Z %#,i439&3)%%B& GB/T 223.40 eWB.Re& %%St%HB SdaftB S %%%iR& GB/T 223.59 a % B & & ? % % t l % J @ J % %#%l%%%%l%% GB/T 223.60 %%W&&.jl;%3)#?3& &S@B*SB&NS@-$f GB/T 223.63 %1&kB&&%%*6%& &@@++4(@)%B&NZSf GB/T 223.64 %!%Be& Q%BSfJfiE A%R3%&%%& GB/T 223.78 @%B%ik4k%3)R3& IR%fEi@%B&WSI*f GB/T 228 &HM# (4S#&#jj$B%&(GB/T 228-2002, eqv IS0 6892 : 1998) GB/T 247 #Wj#r4#l%&B.&%.$i$&BJBf EM8b9-AftdZ GB/T 1839 @f &Ina@gRaa&k&(GB/T 1839-2003 ,IS0 1460 :I992 ,MOD) GB/T 2975 %W@f &k%#%-j$B@!~@f BB#ff;ll&(GB/T 2975-1998, eqv IS0 377: 1997) GB/T 4336 @%%@qfie&%Az%RF%%%#%fi$&(R%&) GB/T 5027 &R&j##&$l$#%l#Ji2$l%(r @I) CScJfiB(GB/T 5027-2007 ,IS0 10113 :2006, IDT) GB/T5028 & R S & j # r S 6 i B # # G ? ! E @ k # B ( n BIB&$% (GB/T 5028-1999, eqv IS0 10275 r 1993) GB/T 8170-1987 BE#%%!@J GB/T 17505 @ J & % ~ R S t 2 ~ - ~ ~ $ S $ ( G B / T 17505-1998,eqv IS0 404:1992) GB/T20123 @I# &@?i&*f MNCYa f f B & 6 Z ~ % ~ ~ ~ f i b ? l & % ( ' # % ( X g . % ) (GB/T 20123-2006 ,IS0 15350:2000 ,IDT) GB/T 20125 fis&R$Z%z%BHNs%aS+%RF#B?BN%BS (GB/T 20125- 2006 , JIS G 1258-1989 ,MOD) GB/T 20126 ~~s&ew masamas a 2 gfs#:a~~(gafiaa)fi~~gafi~&% (GB/T 20126-2006 , IS0 15349-2:1999 ,IDTI GB/T 20066 @$U# &*&##%BS#@B@j#I##3&(GB/T 20066-2006,ISO 14284: 1996, IDT) 3 *f9%EX &%BE- fiaI&r& 3.5 low alloy stee ;&fi@RSB.1&d@I+ ,a E B ! k , R l W , * a S @ s & Z * & & 3.6 dual phase steeIs(DP1 R~I@B%%~X#NFR4#~FR4#S%U&~~~#;As;AsB#~#~#~~ R-GfimMBtL $U@&HfmIE&BB~SRl%MlJ6bBBE~ff%Bfi8&@I~tL,R-GER~R@BE~ 3.7 %@SBBfW transformation induced plasticity steels(TR) @EtS@B%%#S#-R &#$UB&BE#,X+,B&#&#&3SS95fiT 5%. ;&&B S@+,B&BE#Wa9%44#S%9S%@Wmfia1E&$*@q1$%*NR@HE SR%% B % B # N a a * + a t t : , R 8 E s m K # * . 2 3.8 dMfW complex phase steels(CP) ewmsBawzs%%$k%g#@(&)W &#a%. &#%#@(3Ji>R &#S#k,B#%*fi9f lrCI 4&#.&&4@E#@x4i%#&%. BixtSfirr%k&&ZS Ti @, Nb9B&@&IBs%&#itt(3!44kmB&m m m &#'a8 GS&m%faat@#&@%@lrCIB&E%#k. 3.9 ~ ~ d ~ R stretcher strain marks %fin~B%sf,bF~&@RB%SeW&&eWPS~tt(B~~t%-uB3dn%G~S~PE1lrCI RE. 4.1 1%8**%*% eW&aiazmPmR9Ekif &H&R%?@%R%(SJFPJ%> ,ewjPfi4@Bt@8)t%%BR4(D)@BE Ilifr%RfeZB%R&,X+fi@R%(D)@@E#%Re21EiJHfm%u+nB%m R-#BBB 4.1.1-4.1.5. 4 .1 .1 H&R$ a> DX:%-@P@ D ~ ~ Z ~ ~ R B R J R T H ~ ~ , % I ~ . @ F % B R % X ? R S S ; t b i W R # ! ~ & 6 d % , % I f & % ~ @ R % c , N R b S & B B % % R s & ; % = @ F a B % % D,wg.te%s&Bsla %%%R&&; b) s:ss%eNmeW; C) H X : S - - @ + ~ H R S ~ & B R B B B B Y ~ H ~ %=WBB~AW~% x 9 . t e s s & ~ ~ 3 1 8 &*dB?%~@%@finSB% c , N R % S & B B % % R & & ; % = @ P @ B R % D,JiirJR%S mmwimsaio 4.1.2 SWSR+(SjjFSr37J8> a> 51-57 :2 @Bf+ ,HURSR4%tB3iJ+! ; b) 1 8 0 ~ 9 8 0 : 3 @Bffq,RURS~+!;&@R+!.zSfr$fr&H6R ;J-&%B!~Z~SS/J\ME% &&&/J\IB%B@@/J\g@%B,#@% MPa. 4 .1 .3 bW@%B % # % H 1 39J 2 2F@S%;S'+: a) Y SZ@#%B%%lEiJl!#?R3m; b) LA SZm#'%a%Q&&mi c) B SZeW#%%%%B@.fl:@; d) DP Sj3eP4#'%Z@!%Z#€leW ; e) TR SZeW#%4U%#%1BBB@I; f> CP Sj3@#%4Y%aL#€lrn ; g> G sZa*RB5%Bo 4.1.4 SSR-5f %BR9SZ% Dm 4.1 .5 S E R 9 %%BBfRSS% z,%se&yEs%% ZF. 4 . 2 1%8+*%ZfH a) DC57D+ZF GBNHP%B#T9J@4B, : a) P&$%(eW&&eWV); b) *BSE?E%; c) #'el; d) BEH%WBES.BtR%; e> RTf-W%#BBE(&BSE.RE.*B.eWV&%%) 8 f) 6f;4B#B; g) BE%rn%@; h) %rn!&B; i) %mR-BL; j) Sf; k) &%*5%; 1) 3&#(B%!#&.Qrn@Jl3%) 0 6.1 Rsf 6.1.1 eW&siWeW~tt9~%RTf'%~ER;r$~ 4 % S o &#%%3DiSiT,&VB#8#RTf'%#HeW& WBV. %@eWV?@B &eWV(@V)&%.t;DEiEf9H$eWV ,BE-a& 600 mm UT. * 4 BiSl$EaFrd &/% 5 /J\ 3= 20 1 9 18 17 16 - ## 9 HXlIOYD+Z HXlIOYD+ZF HX220YD+Z HX220YD+ZF HX260YD-l-Z HX260YD+ZF " ZrgJBM136bW4tEI Rm.2 ,BWIJ%EI S#% GB/T 228 qfl9 P6 fg#,Sl?-kliiJ%8%liiJ. If& S550GD+Z #I S550GD+ZF fi , ~ f & m m E & S E & m F * 140 MPa fl9%mff. %P&/L?aj$Bk? 0.5 mm,@sl ;kT 0.7 mm N,l$ig#EbfEfiTlefi ~ % ; ? ! ~ P ~ & ~ S $ S B ~ A F O . 5 mm W,BiSl$EQfc*7;% 4%. E t S B C R m / MPa 5 /J\ T 300 330 360 390 420 560 H 3 S22OGD+Z,S22OGD+ZF S25OGD+Z,S25OGD+ZF S280GD-t Z,S280GD+ZF S320GD+Z1S320GD+ZF S350GD+Z,S350GD+ZF S550GD+Z,S550GD+ZF M%lB"b Rm.*/ MPa 5 b T 220 250 280 320 350 550 " %NlHifRf%H Rm.2 ,-eiWIJ%H R,. I%#% GB/T 228 qfl9 P6 S#,B#-kn%#fliiJ. ?!$Pldb/r?#JSbkP 0.5 mm.@$AT 0.7 mm U$,BiEl$#b(%a)fEi&TR 2%;4P&/r?#WE&&kT 0.5 mm W,BiE# i l tX t (Aso ) fC~TR 4%. %F&/r?%j$EkT 1.5 mm W , r w f c W F @ 0.2. M1166%ba*b RL& Rm.2/ MPa 180-240 220-280 260-320 P, sl;f;/J\ F 1.7 1.5 1.5 1.3 1.4 1.2 %&%E R=/ MPa 340-400 340-410 380-440 n90 5&3= 0.18 0.18 0.17 0.17 0.16 0.16 %E#EW &/% 5b'f- 34 32 32 30 30 28 #iE#E$' Am/% 6 T 26 24 23 B? 9 HX260LAD+ Z HX260LAD-l-ZF ------ 4 X X 3 c # L 4 W L - - - - HX300LAD+ZF HX340LADi-Z HX34OLAD+ZF HX380LAD+Z HX38OLAD+ZF HX42OLADi-Z HX420LAD+ZF aEsB'.b Rdlji Rm.2/ MPa 260-330 Rm / MPa 350-430 a %lSMiIll;b6I%H Rm.2 ,-BWIJ%H rL.. Sea GB/T 228 qb!l P6 ,t$i#3k%#6Je %P&/L?%MBkT 0 . 5 mm,@/JbT$T 0 .7 mm Wt@iGl$E$fcf-F# 2 % ; 3 P d h / L ? a S J S b 5 k T 0.5 mm Bif,kh3#**fc%TF& 4%. 300-380 340-420 380-480 420-520 - - - - - - -- 380-480 410-510 440-560 470-590 21 21 19 19 17 17 15 8.1 %%@l&W@@M@P@ El .-i$#Bf .@#&%@-i$Pk%hk#QS 18 ki9dB. 8.2 QW&WeWqMfijFB,h?3Wf 83E4R;t$3!ED 8.3 qW&WeWQNRSf.fi%GM+BM#tI:gfiS BBW-IEL%@%E%%~IJ'T 40 mm ME tk. 8.4 rgoBBi 15%G$M#gF%9JM;I;L?tJ%Efl/JbT 15%W,U@%@fl@*MMG$%6~#0 ngo (& %>@B;& lo%m20%G$%BPtJ#gF%bJM,%I;L?tJ%flE$/j\T 20%M,E?@%B% lO%BI;L?tJ% #E@*o 8.5 @&6iWQW%GBB,@+BP%EhEBAF 30 t MRIJ#9.EJB#%- RI;j-&ESS.RIBEBE % ~ @ E J ~ ~ ~ ~ B M ~ W ~ B J & ~ X$Trtk+%ZZkT 30 t biQW%,@%#%-+BB#tL~ 8.6 @&B@4%l!f98!2&ER~ GB/T 17505 HBE. @ %d FA FB FC SEBS%E SER**#R,H%/J\SP-L~E@>NB\NRPi&%5t;9-BR-*~-SegtR&%,%B.W%- aaEit5%fiTs(%@)BB ePSH-~R~~~J\&R,~%Yt~E@.aP~N~.~~J~%%.%BB~S#~kRo 5-E j E&%SEBf FA. B%!EE34'Ri#;TjT#(%S)&B @SH-EBBM&3r:~-%RM,~SB~-~5&;fi'laBA%~SSEfi~BfM1SkX. W--HS9%%EB% FB. W3E34'8P3EfiYS(~I)B33i +a#@ PW. A &rat#E PW. B &SB& (0. 6 0.60-