O le paipa uʻamea faʻaogaina lautele faʻaaogaina i le lalolagi o se paipa maualuga ma faʻaaogaina lautele i alamanuia, vailaʻau vailaʻau, fausiaina ma isi fanua.O paipa u'amea e leai se mea e fiafia i ai le alamanuia ona o lo latou malosi maualuga, fa'afefete, ma le maualuga o le vevela.O loʻo iai foʻi tulaga faʻatatau i tulaga faʻapitoa ma le mafiafia o puipui.O lo'o taua i lalo se lisi o fa'asalalauga fa'ava-o-malo e leai ni paipa uamea ma tulaga mafiafia puipui:
Fa'amatalaga:
1. Tulaga Amerika:ASTM A106, ASTM A53, API 5L, ASTM A192,ASTM A210, ASTM A213, ma isi;
2. tulaga Iapani: JIS G3454, JIS G3455, JIS G3456, JIS G3461, JIS G3462, ma isi;
3. tulaga Siamani: DIN 1626, DIN 17175, DIN 2448, DIN 2391, ma isi;
4. tulaga fa'a Peretania: BS 1387, BS 3601, BS 3059, BS 6323, ma isi;
5. tulaga Europa:EN 10210, EN 10216, EN 10297, ma isi;
6. Tulaga Saina:GB/T 8162, GB/T 8163, GB/T 3087, GB/T 5310, GB/T 6479, ma isi.
tulaga mafiafia puipui:
1. SCH10, SCH20, SCH30, SCH40, SCH60, STD, SCH80, XS, SCH100, SCH120, SCH140, SCH160, XXS, ma isi;
2. WT: 2.0-60mm, SCH10S, SCH40S, SCH80S, ma isi;
3. I le tulaga o le le lava o mea mataʻutia poʻo le tele o manaʻoga, o nisi o paipa laʻititi atonu e manaʻomia ona faʻapitoa e tusa ai ma manaʻoga faʻapitoa.
O loʻo i luga o faʻamatalaga ma tulaga mafiafia puipui o paipa uʻamea faʻavaomalo faavaomalo.O alamanuia eseese ma manaoga fa'aoga e mana'omia ai le filifilia o fa'amatalaga talafeagai ma mafiafia puipui.E mafai ona e filifilia faʻamatalaga e fetaui ma ou manaʻoga mo le faʻatau.