Qodobbada khuseeya ee qarankagarabHeerka "GB/T9124-2010 Shuruudaha Farsamo ee Calamadaha Beebka Birta":

3.2.1 Dhinacyada leh cadaadiska magaca ah ee PN2.5-PN16 Class150, birta kaarboon yar, iyo birta austenitic-ka ah ee birta ah ee austenitic ayaa loo ogolyahay inay noqdaan Fasalka I (engeganaanshaha waxaa lagu tijaabiyay gabal).

3.2.2 Haddii shuruudahan soo socda la buuxiyo, foornada loo yaqaan 'flanges' waa inay buuxiyaan shuruudaha fasalka III ama ka sarreeya (baaritaan muunad ah oo tijaabo ah oo ultrasonic mid mid):

1. Forgings for flanges leh cadaadis magaceed ≥PN100 iyo ≥Class600;

2. Chromium-molybdenum birta forgings ee flanges leh cadaadis magaceed ≥PN63 iyo ≥Class300;

3. Ferrite forgings for flanges leh cadaadis magac leh ≥ PN25 iyo Class ≥ 300 iyo heerkulka hawlgalka ≤ -20 ° C.

3.2.3 Foornooyinka kale ee caleenta ah waa in ay u hoggaansamaan shuruudaha Fasalka II ama ka sarreeya been-abuurka (baaritaan goob iyo sawirid).