1. Mea:SA106B, e fetaui ma tulaga fa'ale-atunuuGB/T8162poʻo GBT8163, mea: 20, faʻaoga: faʻapipiʻiina paipa uʻamea, o le tulaga tutusa Amerika o le SA106 B, faʻaoga e maualalo ma feololo paipa paipa, o le tulaga tutusa Siamani o le DIN1629 , o le uamea vasega o St44, faʻaaogaina mo le gaosiga o paipa, pusa. , meafaigaluega, fausaga u'amea, o le tulaga tutusa Europa o le G3454, le sila grade STPG410, faʻaaogaina mo paipa mamafa, HS code o le 7304599090.

2. Mea: 20G, e fetaui ma tulaga faʻale-atunuuGB5310, tulaga uamea,20G, fa'aaogaina e pei o paipa u'amea e leai ni fa'aoga mo fala fa'amau maualuga, e fetaui ma tulaga fa'a Amerika:ASTM A106B/C, ASTM A210C, faʻaaogaina mo paipa vai, e fetaui ma le tulaga Siamani o le DIN17175, ma le sila uamea o St45 .8. O lo'o fa'aaogaina e fai ma paipa u'amea fa'afefete fa'afefe. O le tulaga tutusa Europa o le EN10216-2. O le sila uamea o le P235GH. E fa'aaogaina e fai ma paipa fa'amau. Ole HS code ole 7304599090.

3. Mea Q345, e fetaui ma tulaga masani a le atunuu GB / T8162 poʻo GB / T8163, vasega uʻameaQ345, faʻaaogaina mo le faʻaogaina o paipa uʻamea, e fetaui ma le American standard A519, uʻamea uʻamea 1524, faʻaaogaina mo paipa uʻamea gaogao masini, e fetaui ma Siamani O le tulaga masani o le DIN1629, o le uamea o St52, ma e faʻaaogaina mo le gaosiga o paipa, pusa. , meafaigaluega, fausaga uʻamea, ma isi. O le tulaga tutusa Europa oEN10210-1, o le vasega uamea oS355JOH/S355J2H, e faʻaaogaina mo paipa faʻavae, ma o le tulafono a le HS o le 7304599090.

Fa'amolemole tulimatai le isi lomiga mo nisi tulaga ma fa'atusatusaga...