Inqubo Yokukhiqiza I-Rolling \ Umsebenzi oshisayo, ukugoqa okubandayo
I-ASME B36.19M ingukucaciswa okujwayelekile kwamapayipi ensimbi angenasici, acacisa ubukhulu, ukubekezelelana kanye nezidingo zokukhiqiza amapayipi afakwe emthungo.
Insimbi engama-309 yensimbi engenasici uhlobo lwensimbi ye-auntenitic engagqwali evame ukusetshenziswa ezinhlelweni zokushisa okuphezulu ngenxa yokumelana kwayo okuhle kakhulu. I-SA240 309 ipuleti liqukethe amaphesenti aphezulu we-chromium ne-nickel, okunikeza ukumelana okuhle kokugqwala, kanye namandla aphezulu nokuqina. I-SS 309 Strip (uns S30900) iyinsimbi e-auntenitic engagqwali eyenzelwe ukusetshenziswa ezingeni lokumelana nokushisa okushisa kakhulu. Ipuleti lakwa-SA240 309 limelana ne-oxidation kuze kufike ku-1900 ° F (1038 ° C) ngaphansi kwezimo ezingezona ezi-cyclic. Ukuhamba ngebhayisikile okujwayelekile kunciphisa ukumelana ne-oxidation cishe ku-1850 ° F (1010 ° C).