1. Izinto:SA106B, ehambelana nomgangatho wesizweGB/T8162okanye i-GBT8163, izinto: 20, ukusetyenziswa: umbhobho wesinyithi ongenamthungo wesakhiwo, umgangatho waseMelika ohambelanayo yi-SA106 B, ukusetyenziswa yimibhobho yebhoyila enoxinzelelo oluphantsi noluphakathi, umgangatho waseJamani ohambelanayo yi-DIN1629, umgangatho wesinyithi yi-St44, esetyenziselwa ukuvelisa imibhobho, izikhongozeli, izixhobo, izakhiwo zesinyithi, umgangatho waseYurophu ohambelanayo yi-G3454, umgangatho wesinyithi we-STPG410, esetyenziselwa imibhobho yoxinzelelo, ikhowudi ye-HS yi-7304599090.

2. Izinto: 20G, ezihambelana nomgangatho wesizweGB5310, uhlobo lwentsimbi,20G, esetyenziswa njengombhobho wentsimbi engenamthungo kwiibhoyila ezinoxinzelelo oluphezulu, ehambelana nemigangatho yaseMelika:I-ASTM A106B/C, I-ASTM A210C, esetyenziselwa imibhobho yolwelo, ehambelana nomgangatho waseJamani yiDIN17175, kwaye umgangatho wentsimbi yiSt45 .8. Isetyenziswa njengombhobho wentsimbi engenamthungo yentsimbi engatshiyo. Umgangatho waseYurophu ohambelanayo yi-EN10216-2. Umgangatho wentsimbi yi-P235GH. Isetyenziswa njengombhobho othwala uxinzelelo. Ikhowudi ye-HS yi-7304599090.

3. Izinto Q345, ezihambelana nomgangatho wesizwe we-GB/T8162 okanye i-GB/T8163, umgangatho wentsimbiQ345, esetyenziselwa imibhobho yesinyithi engenamthungo yesakhiwo, ehambelana nomgangatho waseMelika u-A519, umgangatho wentsimbi 1524, esetyenziselwa imibhobho yesinyithi yekhabhoni engenamthungo yemishini, ehambelana neJamani. Umgangatho yi-DIN1629, umgangatho wentsimbi yi-St52, kwaye isetyenziselwa ukuvelisa imibhobho, izikhongozeli, izixhobo, izakhiwo zentsimbi, njl. Umgangatho waseYurophu ohambelanayo nguEN10210-1, umgangatho wentsimbi yiS355JOH/S355J2H, isetyenziselwa imibhobho yokwakha, kwaye ikhowudi yerhafu ye-HS yi-7304599090.

Nceda ujonge phambili kwinqaku elilandelayo ukuze ufumane eminye imigangatho kunye nothelekiso...