12m U-Beam Mining Support Steel/U-Beam steel China Coal

Name:
U-Beam mining support steel
Specification:
25U, 29U, 36U
Standard:
GB/QB
Materials:
20MnK, Q275
Length:
8,9,10,12m

20*20*7*(0.5-2.0) 20*30*8*(0.5-2.0)
26*30*9*(1.5-2.5) 45*30*15*(1.5-4.75)
30*15(20)*10*(0.5-4) 160*60(70)*20*(1-12)
60*40(50)*15*(1-4) 180*60(70)*20*(1-12)
80*40(50)*20*(1-4) 200*60(70)*20*(1-12)
90*40(50)*20*(1-5) 220*70(80)*20*(1-12)
100*50(60)*20*(1-5) 250*70(80)*20*(1-12)
120*50(60)*20*(1-12) 300*80(100)*20*(1-12)
140*50(60)*20*(1-12) 350*80(100)*20*(1-12)
12m U-Beam Mining Support Steel/U-Beam steel China Coal