160工字钢规格尺寸（20工字钢规格型号尺寸）
导读 20a号工字钢规格:h=200mm,b=100mm,d=7mm,t=11.4mm,t=9mm,r1=4.5mm20b号工字钢规格:h=200mm,b=102mm,d=9mm,t=11.4mm,t=9mm,r1=4.5mm10号槽钢...
20a号工字钢规格:h=200mm,b=100mm,d=7mm,t=11.4mm,t=9mm,r1=4.5mm20b号工字钢规格:h=200mm,b=102mm,d=9mm,t=11.4mm,t=9mm,r1=4.5mm10号槽钢规格:h=100mm,b=48mm,d=5.3mm,t=11.4mm,r=8.5mm,r1=4.25mm。
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