Ukwakhiwa kwe-ASTM A105 Amaphayipha amaphaphu aqukethe ikhabhoni, i-manganese, phosphorus, isibabule, i-silico, ithusi, i-nickel, i-chromium, i-molybdenum, ne-varium ekwakhiweni. Njengoba ezinye izinto zokwakha zinezinkwa ezingezinhle ze-1%, lezi zinto zokwakha zibizwa ngokuthi ama-carbon sten. Kunezinhlobo ezahlukene ezinjenge-SA105N FLANDEL APPLLES zokuvala amapayipi. Ama-Flanges nawo anezakhiwo ezinhle zamandla. Amandla amancane wesivuno se-flange ngu-250MPA kanye namandla ashubile aphansi angu-485MPA. Okuqukethwe nakho kunzima kakhulu, ngobulukhuni be-brinoll buka-187.