I-ASTM A234 WPB ye-WPB ye-Parbon Steel Elbows isetyenziswe ngokubanzi kwimveliso yegesi yendalo
Umzekelo, ukusetyenziswa kwe-carbon ye-carbon yensimbi ye-asstm i-A105 ibalasele kwezi zicelo ezibandakanya indawo apho ziphantsi kuphela khona apho amaqondo obushushu aphezulu, kodwa nakwizicelo zobushushu begumbi.
I-ASTM A420 WPP6 ithetha i-pume ye-buttweld ye-pied ye-ATTM ASTM A420 GRO WPPS6 yi-bipl wilsm ye-pipleds ye-pipbon yentsimbi yeenkonzo zobushushu eziphantsi. Aba banamandla amanye amanye, amandla esivuyi kunye nokunganyangeki ngokubanzi. Isixhobo sinekhabhoni, iManganese, phosphorus, i-Sulfur kunye neSilicon. I-Asme SA 420 WPPS6 tee isetyenziselwa ukudibanisa imibhobho emithathu kunye. Umgangatho we-A420 we-A420 ujamelana neminye imibhobho yombhobho ye-A420 WPPO, i-A420 WPP6 ye-PLWS, i-A420 WPPOWS, i-A420 WPPE enziwa zizisombululo ezizenziweyo.