钢材替换应用设计指南

钢材替换应用设计指南内容摘要：

tringent mass tolerance requirement. Certified Australian/New Zealand hollow sections Any bination of steel grades manufactured to: AS 11632020 • C250 (L0, L15) 7 • C275 (L0, L15) • C300 (L0, L15) • C350 (L0, L15) • C400 (L0, L15) • C450 (L0, L15) with dimensional and/or mass tolerances in accordance with: AS 11632020* NOTE * Basis for acceptance is stringent mass tolerance requirement. Certified Australian/New Zealand steel for cold forming Any bination of steel grades manufactured to: AS/NZS 15951998 • CA 220 • CA 260 • CA 350 with dimensional and/or mass tolerances in accordance with: AS/NZS 13651996* Or any bination of steel grades manufactured to: AS/NZS 13972020 • Grade 250 • Grade 300 • Grade 350 • Grade 400 • Grade 450 with dimensional and/or mass tolerances in accordance with: AS/NZS 13651996* NOTE *Basis for acceptance is stringent thickness tolerance requirement. Certified Australian/New Zealand nonpreloaded bolting assemblies Bolts manufactured to: • AS/NZS 12521996 • AS * • AS/NZS 15591997 NOTE *Grade is noncertified. Nuts manufactured to: • AS/NZS 12521996 • AS/NZS Washers manufactured to: • AS/NZS 12521996 Certified Australian/New Zealand preloaded bolting assemblies Bolts manufactured to: • AS/NZS 12521996 8 • AS Nuts manufactured to: • AS/NZS 12521996 • AS/NZS :1995 Washers manufactured to: • AS/NZS 12521996 Certified Australian/New Zealand welding consumables Welding consumables, which result in allweld metals meeting material performance requirements in , and manufactured to: • AS/NZS • AS/NZS 48552020 • AS/NZS 48572020* • AS ** • AS/NZS NOTE *Only grades 55, 62 and 69 are certified. NOTE **Z is noncertified. NOTE ***Only grades W5xxx to W6xxx are certified。 grade W5ZXH is noncertified. Certified Australian/New Zealand profiled steel sheets Any bination of steel grades manufactured to: AS/NZS 13972020 • Grade 250 • Grade 300 • Grade 350 • Grade 400 • Grade 450 • Grade 500 • Grade 550 with dimensional and/or mass tolerances in accordance with: AS/NZS 13651996* NOTE *Tolerances for coldrolled sheet/strip. Certified Australian/New Zealand shear stud connectors Stud shear connectors manufactured to: AS/NZS * NOTE *Stud diameter should be at least mm. 9 已认证中国钢材目录 已认证的中国钢板 依据相关标准生产的钢材品种 ： B/T 7002020* GB/T 15911994* （已由 GB/T 15912020 代替） GB/T 41712020 （已由 GB/T 41712020《耐候结构钢》代替） GB/T 41722020 （已由 GB/T 41712020《耐候结构钢》代替） YB 41042020 （已由 GB/T 198792020《建筑结构用钢板》代替） Q235BZ ( Q295B) ( Q295GNH) Q235NHC Q235GJC Q235CZ Q345B ( Q295GNHL) Q235NHD Q235GJD Q235DTZ Q345C Q345GNH Q235NHE Q235GJE Q275BZ Q345D Q345GNHL ( Q295NHC) Q235GJZxxC** Q275CZ Q345E Q390GNH ( Q295NHD) Q235GJZxxD** Q275DTZ Q390B ( Q295NHE) Q235GJZxxE** Q390C Q355NHC Q345GJC Q390D Q355NHD Q345GJD Q390E Q355NHE Q345GJE Q420B Q460NHD Q345GJZxxC** Q420C Q460NHE Q345GJZxxD** Q420D Q345GJZxxE** Q420E Q460C Q460D Q460E 尺寸和重量允许偏差所依据的标准： GB/T 7092020* (热轧钢板和钢带的尺寸、外形、重量及允许偏差 ) A类偏差 （按公称厚度规定负偏差） B类偏差 （固定负偏差为 ） C 类偏差 （固定负偏差为零，按公称厚度规定正偏差） N 类偏差 （正偏差和负偏差相等） （普通厚度精度） （较高厚度精度） 注 : * GB/T 9121989， GB/T 32741988 作为 GB/T 7002020 和 GB/T 15911994 以及 GB/T 7092020 的参考标准，按照上述标准生产的钢板，应认为其质量是有保证的。 ** 依据 GB/T 53131985，钢板厚度方向的性能指标 Zxx是指 Z15， Z25 和 Z35。 10 已认证的中国热轧型钢 依据相关标准生产的钢材品种： GB/T 7002020* GB/T 15911994* （已由 GB/T 15912020 代替） GB/T 41712020 （已由 GB/T 41712020《耐候结构钢》代替） GB/T 41722020 （已由 GB/T 41712020《耐候结构钢》代替） 18。