SP789表面、表面结构、镀层种类及镀层重量
表面
铬酸钝化C
涂油O
铬酸钝化+涂油C+O
表面结构、镀层种类及镀层重量
表面结构及特征：
表面
镀层种类
特征
零锌花N
Z
采用特定生产工艺使镀层表面无肉眼可见的锌花。
锌
铁合金R
ZF
镀层是锌铁合金层，无锌花，一般无光泽。
SP789镀层种类及可供范围如下表所示：g/m2
镀层形式
镀层种类
纯锌镀层
锌铁合金镀层
等厚
5
30/30~90/90
差厚
30~150（每面）
30~90（每面）
注：①50g/m2镀锌量约等于7.1μm。
②对于差厚镀层差厚比1∶3。
③镀层重量每面三点试验平均值应不小相应面的标准镀层重量，镀层重量每面三点试验***小值应不小于相应面的标准镀层重量的85%。
SP789的标准镀层重量：g/m2
镀层形式
镀层种类
纯锌镀层
锌铁合金镀层
等厚
差厚
注：经供需双方协议，亦可供
其它镀层重量的钢带。
DC51D+Z50/50-M-FC-O，DC52D+Z50 M-FC-OD
CD+Z50/50-M-FC-O DC56D+Z ，50/ -FC-OHC180YD+Z， H180YD+Z ，HC220YD+Z，H220YD+Z，HC260YD+Z，H260YD+Z，B260LYD+Z，HC180BD+Z，H180BD+Z，HC220BD+Z，H220BD+Z，HC260BD+Z，H260BD+Z，H300BD+Z，HC300BD+Z，HC260LAD+Z，H260LAD+Z，HC300LAD+Z，H300LAD+Z，HC340LAD+Z，H340LAD+Z，HC380LAD+Z，H380LAD+Z，H20LAD+Z，H420LAD+Z PD+Z，HC280/590DPD+Z，590Y PD+Z，HC500/780DPD+Z，H20/780DPD+Z，HC380/590TRD+Z，H00/690TRD+Z，H00/690TRD+ CPD+Z，HC500/780CPD+Z，HC7 +Z，
HD680/780CPD+Z，HD720 +Z，
HC550/980DPD+Z+Z，HC800LA+Z，HC115 MS+Z，B400/78 D+Z50/50-M-F Z50/50-M-FC- 0/50-M-FC-O，
Q/BQB420-2009 DCD+Z50/5 6D+Z 50/50-M D+Z50/50-M-F ，Q/BQB420-2009 B260LYD+Z，Q/BQB420-2009 HC180BD+Z，Q/BQB420-20 HC300LAD+Z，
Q/BQB420-2009 H300LAD+Z，Q/BQB420-2009 HC340LAD+ H20/780TRD+Z Z 50/50-M-FB +Z
通用汽车钢
GMW2M-ST-S-CR1-HD40G40G-U，GMW2M-ST-S-CR2-HD40G40G-U，GMW2M-ST-S-CR3-HD40G40G-U，GMW2M-ST-S-CR4-HD40G40G-U，GMW2M-ST-S-CR5-HD40G40G-U，GMW2M-ST-S-CR1-HD40G40G-U，GMW2M-ST-S-CR1-HD90G90G-U，GMW2M-ST-S-CR2-HD90G90G-U，GMW2M-ST-S-CR3-HD90G90G-U，GMW2M-ST-S-CR4-HD90G90G-U，
GMW2M-ST-S-CR5-HD90G90G-U，GMW2M-ST-S-CR1-HD60G60G-U，GMW2M-ST-S-CR2-HD60G60G-U，GMW2M-ST-S-CR3-HD60G60G-U，GMW2M-ST-S-CR4-HD60G60G-U，GMW2M-ST-S-CR5-HD60G60G-U，GMW2M-ST-S-CR1-HD70G70G-U，
GMW2M-ST-S-CR2-HD70G70G-U，GMW2M-ST-S-CR3-HD70G70G-U，GMW2M-ST-S-CR4-HD70G70G-U ，GMW2M-ST-S-CR5-HD70G70G-U，GMW3032M-ST-S-270LA-HD60G60G-U，GMW3032M-ST-S-CR180B2-HD60G60G-U，GM G-U，GMW3032M-ST-S-CR180IF-HD60G60G-U，GMW3032M-ST-S-CR210IF-HD60G60G-U，GMW3032M-ST-S-CR240IF-HD60G60G-U，GMW30 G-U，GMW3032M-ST-S-CR210B2-HD60G60G-U，GMW3032M-ST-S-CR270B2-HD60G60G-U，GM G60G-U，GMW30 G-U，GMW3032M-ST-S-CR300LA-HD60G60G-U，GMW3032M-ST-S-HR340LA-HD60G60G-U，GMW3032M-ST-S-CR340LA-HD60G60G-U，GMW30 G-U，GMW3032M-ST-S-CR420LA-HD60G60G-U，GMW3032M-ST-S-HR420LA-HD60G60G-U，GMW3032M-ST-S-HR550LA-HD60G60G-U，GMW30 G-U，GMW3032M-ST-S-CR210IF-HD70G70G-U，
GMW3032M-ST-S-CR240IF-HD70G70G-U，GMW3032M-ST-S-CR180B2-HD70G70G-U，GMW3 0G-U，GMW3032M-ST-S-CR270B2-HD70G70G-U，GMW3032M-ST-S-CR300B2-HD70G70G-U，GMW3032M-ST-S-CR270LA-HD70G70G-U，GMW3 0G-U，GMW3032M-ST-S-HR340LA-HD70G70G-U，GMW3032M-ST-S-CR340LA-HD70G70G-U，GMW3032M-ST-S-CR380LA-HD70G70G-U，GMW3 0G-U，GMW3032M-ST-S-CR500LA-HD70G70G-U，GMW3032M-ST-S-CR550LA-HD70G70G-U，GMW3032M-ST-S-CR650LA-HD70G70G-U，GMW3 0G-U，GMW3032M-ST-S-HR550LA-HD70G70G-U，GMW3032M-ST-S-CR180P-HD70G70G-U，GMW3032M-ST-S-CR240P-HD70G70G-U，GMW3032M-ST-S-CR270P-HD70G70G-U，GMW3032M-ST-S-CR180P-HD60G60G-U，GMW3032M-ST-S-CR240P-HD60G60G-U，GMW3032M-ST-S-CR270P-HD60G60G-U，GMW2M-ST-S-CR1- G50G-U，
GMW2M-ST-S-CR2- G50G-U，GMW2M-ST-S-CR3- G50G-U，GMW2M-ST-S-CR4- G50G-U ，GMW2M-ST-S-CR5- G50G-U，GMW3032M-ST-S-250LA- G50G-U，GMW3032M-ST-S-CR180B2- G50G-U，GMW3032M-ST-S-210P- G50G-U，GMW3032M-ST-S-CR180IF- G50G-U，GMW3032M-ST-S-CR210IF- G50G-U，GMW3032M-ST-S-CR240IF- G50G-U，GMW3032M-ST-S-CR180B2- G50G-U，GMW3032M-ST-S-CR210B2- G50G-U，GMW3032M-ST-S-CR250B2- G50G-U，GMW3032M-ST-S-CR300B2- G50G-U，GMW3032M-ST-S-CR250LA- G50G-U，GMW3032M-ST-S-CR300LA- G50G-U，GMW3032M-ST-S-HR340LA- G50G-U，GMW3032M-ST-S-CR340LA- G50G-U，GMW3032M-ST-S-CR380LA- G50G-U，GMW3032M-ST-S-CR420LA- G50G-U，GMW3032M-ST-S-HR420LA- G50G-U，GMW3032M-ST-S-HR550LA- G50G-U，GMW3399M-ST-S-CR450T/250Y-DP- G50G-U，GMW3399M-ST-S-CR780T/420Y-DP- G50G-U，GMW3 - G50G-U，GMW P- G50G-U，
G -DP-HD50G50G-U，GMW3399M-ST-S-CR780T/500Y-DP-HD50G50G-U，GMW3399M-ST-S-CR980T/550Y-DP-HD50G50G-U，G -TR-HD50G50G-U，，GMW3399M-ST-S-CR690T/410Y-TR-HD50G50G-U，GMW3 -HD50G50G-U， 99M-ST-S-CR450T/250Y-DP-HD60G60G-U，G -DP-HD60G60G-U，GMW3399M-ST-S-CR590T/280Y-DP-HD60G60G-U，GMW3399M-ST-S-CR590T/340Y-DP-HD60G60G-U，G -DP-HD60G60G-UGMW3399M-ST-S-CR780T/5 M-ST-S-CR980T/550Y-DP-HD60G60G-U，GMW R-HD60G60G-U，GMW3399M-ST-S-CR690T/410Y-TR-HD60G60G-U，GMW3399M-ST-S-CR780T/440Y-TR-HD60G60G-U，GMW -ST-S-CR450T/250Y-DP-HD70G70G-U，GMW3 -HD70G70G-U， Y-DP-HD70G70G-U，GMW3399M-ST-S-CR590T/340Y-DP-HD70G70G-U，GMW3 -HD70G70G-U， Y-DP-HD70G70G-U，GMW3399M-ST-S-CR980T/550Y-DP-HD70G70G-U，GMW3399M-ST-S-CR59
