ASTM A572 Karfe kusurwa wani babban ƙarfi ne, ƙananan gami (HSLA) sassan karfe na columbium-vanadium. Sakamakon ƙaramin adadin abubuwan columbium & vanadium alloy, kusurwar ƙarfe na A572 mai zafi yana da kyawawan kaddarorin fiye da carbon karfe A36. Na farko, A572 yana da mafi girma ƙarfi fiye da A36 kamar a cikin samar da ƙarfi da kuma tensile ƙarfi. Na biyu, yana da sauƙin walda, tsari da na'ura.
A572 high ƙarfi karfe kwana
Galvanized & Pre-lacquered karfe kusurwa
A572 karfe kwana yana da aikace-aikace masu yawa saboda babban rabo na ƙarfi zuwa nauyi. Saboda ba ya ƙunshi abun ciki na jan karfe wanda ke taimakawa wajen juriya mai lalata, A572 tsarin kusurwoyi na karfe galibi ana sanya galvanized-tsoma mai zafi ko pre-lacquered. Launi don zane yana kan buƙatar ku.
A572 karfe kusurwa bayanin:
Lura: Girman ƙarfe na kusurwa na musamman suna samuwa idan adadin odar ku ya zarce mafi ƙaranci.
A572 karfe kwana fasali & fa'idodi:
Abu | Daraja | Carbon, max, % | Manganese, max, % | Silicon, max, % | Phosphorus, max, % | Sulfur, max, % |
A572 Karfe Angle | 42 | 0.21 | 1.35 | 0.40 | 0.04 | 0.05 |
50 | 0.23 | 1.35 | 0.40 | 0.04 | 0.05 | |
55 | 0.25 | 1.35 | 0.40 | 0.04 | 0.05 |
Abu | Daraja | Sakamakon Haɓaka, min, ksi [MPa] | Ƙarfin Tensile, min, ksi [MPa] |
A572 Karfe Angle | 42 | 42 [290] | 60 [415] |
50 | 50 [345] | 65 [450] | |
55 | 55 [380] | 70 [485] |