Length 800mm,1000mm,1200mm
Model DJB-800/420 DJB-1000/300 DJB-1200/300
Material 27simn
Width 100mm
Height 90mm
Thickness 8mm
Length 1000mm
Processing quenching and tempering (heat treatment)
Load capacity larger than 300kN
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Supplier: Self-supported steel roofing