冷拔方形钢管的尺寸（GB/T 3094-2012）基本尺寸ASRmm120.81.211.51411.51.52.251611.51.52.2511.5181.52.252311.5201.52.25232.53.7511.5221.52.25232.53.751.52.2525232.53.7534.5233034.53.55.2546233234.53.55.2546233634.54657.5234034.54657.5234234.54657.5234534.54657.5235034.54657.55560657075809010010812012513014015023453456345634556845684568568105681068101268101268101268101281034.567.54.567.594.567.594.567.5967.591667.591667.59167.5916207.5916209162024916202491620249162024162015016018020025028012148101214810121410121416101214161012141624281620242816202428202428322024283220242832
