Q315NS-Q345NS|Waa maxay walxaha birta u adkaysata aashitada

1. Horudhaca Q315NS birta u adkaysata aashitada:
Sumadda: Q315NS
Magaca badeecada: Sulfuric acid birta u adkaysata ee daxalka barta sayaxa heerkulka hooseeya
Heerka fulinta: GB/T28907-2012
Cabbirka, qaabka, miisaanka iyo leexashada la oggol yahay ee Q315NS waa inay u hoggaansamaan GB/T709.

2. Q315NS birta u adkaysata aashitada:
Habka muujinta Q315NS: Q — xarafka ugu horreeya ee pinyin Shiinaha ee "qu" ee xoogga dhalidda;315-xadka soo-saarka hoose ee birta, gudaha MPa;NS — xarafka ugu horreeya ee pinyin Shiinaha ee "iska adkaysta" iyo "ashitada" siday u kala horreeyaan.Q315NS birta u adkeysata aashitada waxaa loola jeedaa in lagu daro xaddi gaar ah oo walxaha alloying ah birta si loo kordhiyo iska caabinta sulfuric acid ay dhaliso isku darka sulfur trioxide iyo biyaha ka hooseeya barta sayaxa marka birta ay soo gaarto gaaska sulfuric (sida qiiqa birta ah oo ay ku jiraan gaaska qiiqa).Waxqabadka daxalka.

3. Halabuurka kiimikada ee Q315NS birta u adkaysata aashitada:
Qalabka CSiMnPSCrCuSbQ345NS≤0.15≤0.55≤1.20≤0.035≤0.0350.30-1.200.20-0.50≤0.15

4. Qalabka makaanikada ee Q315NS birta u adkeysata aashitada: wax soo saar xoog leh Ra MPa xoojinta awoodda Ra MPa elongation ka dib jabka A% Q315NS≥315≥440≥22Q345NS≥345≥470≥20

5. Iska caabinta daxalka ee Q315NS birta u adkaysata aashitada:
Marka loo eego habka tijaabada ee lagu qeexay JB/T7901, heerka daxalka kama badna 10mm/a (0.89mg/cm²*h, 30% marka loo eego heerka daxalka ee Q235B hoos xaaladaha heerkul ah 20℃, sulfuric ah fiirsashada aashitada ee 20%, iyo quusin buuxda saacadaha 24);Marka la eego xaaladda heerkulka 70 ℃ iyo immersion buuxa ee 24h, celceliska heerka daxalka kama badna 250mm/a (22.4mg/cm² * h, 50% qaraabo Q235B heerka daxalka).


Waqtiga boostada: Dec-21-2021