1. Taw qhia rau Q355GNHA steel phaj
1. Q355GNHA yog cov hlau phaj siab heev. Huab cua-resistant steel tsim cov txheej txheem tiv thaiv ntawm lub hauv paus ntawm cov hlau los ntawm kev ntxiv cov hlau me me xws li Cu, P, Cr, Ni, thiab lwm yam los txhim kho atmospheric corrosion kuj ntawm hlau.
2. Lub npe ntawm Q355GNHA qhia:
"Q": thawj tsab ntawv ntawm Suav pinyin ntawm "Qu" qhia lub zog ntawm cov hlau.
"355": Qhia qhov taw tes tus nqi ntawm steel phaj, chav tsev Mpa
"GNH": sawv cev rau huab cua tiv thaiv siab thiab tseem yog tus lej pinyin ntawm Suav cim rau huab cua tsis kam.
"A": Qhia txog qib zoo ntawm steel phaj
3. Q355GNHA steel phaj siv tus qauv: siv GB / T4171 tus qauv
4. Q355GNHA steel phaj tus me nyuam raws li txoj cai: kub dov, tswj dov, thiab normalized.
5. Q355GNHA steel phaj thickness kev taw qhia kev ua tau zoo: Z15, Z25, Z35.
6. Qhov ntev ntawm Q355GNHA steel phaj: thickness 8-150mm, dav 2000-2500mm, ntev 6000-12000mm.
7. Tib yam ntawm huab cua steel daim hlau: Q235NH, Q295NH, Q355NH, Q295GNH, Q355GNH
Q355GNHA tshuaj muaj pes tsawg leeg:
Cov ntsiab lus carbon C ntawm Q355GNHA steel phaj: Tsawg dua lossis sib npaug rau 0.120
Silicon cov ntsiab lus Si ntawm Q355GNHA steel phaj: 0.2-0.75
Manganese cov ntsiab lus ntawm Q355GNHA steel phaj Mn: Tsawg dua los yog sib npaug rau 1
Q355GNHA board phosphorus cov ntsiab lus P: 0 07-0.15
Q355GNHA steel phaj sulfur ntsiab lus S: Tsawg dua los yog sib npaug rau 0.02
Q355GNHA steel phaj niobium cov ntsiab lus Nb: Tsawg dua lossis sib npaug rau 0.015-0.06
Chromium cov ntsiab lus ntawm Q355GNHA steel phaj Cr: 0 3-1.25
Q355GNHA steel phaj nickel cov ntsiab lus Ni: Tsawg dua lossis sib npaug rau 0.065
Q355GNHA steel phaj tooj liab cov ntsiab lus Cu: 0.25-0.55
Q355GNHA steel phaj aluminium ntsiab lus Al: Ntau dua lossis sib npaug rau 0.02
Molybdenum cov ntsiab lus ntawm Q355GNHA steel phaj: Tsawg dua los yog sib npaug rau 0.3
Q355GNHA steel phaj vanadium cov ntsiab lus V: 0.02-0.12
Q355GNHA steel phaj titanium cov ntsiab lus Ti: 0 02-0.1
