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Dongma corp has been supplied a variety of sections such as angles, channels, structural tees and I-beams to be used for trussing. shipbuilding and steel structures. In particular, Iarge-sized angles that require advanced technology are provieded.
Equal Angles
Normal Size 25×25 ~ 250×250
Service truss, bracing for general structures and
power transmission tower.
I-Beam
Normal Size 125×75 ~ 600×190
Service supporting structure for machinery, guide rail for hoist.
Normal Size 400×100 ~ 500×200 600×130 ~ 600×210
Service temporary retaining walls, revetments, reclamation walls,
and like applications.
Structural Tees (Cut Tees)
Normal Size 50×100 ~ 400×300
Service truss, secondary supporting structure,
guide rails like monorails, etc.
Inverted Angle
Normal Size 200×90 ~ 450×125
Service stiffener for use in ship-building.
Channels
Normal Size 200×90 ~ 450×125
Service general structures, stiffener.
Beams for Mine Support
Normal Size 100×80 ~ 130×100
Service mine support.
Unequal Angles
Normal Size 100×75 ~ 150×90
Service stiffener for use in general structure and ship-building.
Parallel Channels
Normal Size 100×50, 125×65, 150×75, 200×80, 200×90,
250×90, 300×90, 380×100
Service  
Railway Rails
Normal Size 30kg/m ~ 60 kg/m
Service railway rails.
Railway Rails
Normal Size 15kg/m ~ 22 kg/m
Service railways for trucks in the civil engineering works.