π-type steel beam
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π-type steel beam
Other Names:
π-type steel beam is the most commonly used roof beams,，ππ steel beam with two roots ππ heat-treated steel welded together, thus its name from。π steel beam is mainly used for coal mine tunnel or roadway roof support, with single prop to play with the comp
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π-type steel beam is the most commonly used roof beams,，
ππ steel beam with two roots ππ heat-treated steel welded together,
thus its name from。
π steel beam is mainly used for coal mine tunnel or roadway roof support,
with single prop to play with the composition of the metal bracket
supporting effect roof beams。
Parameter
weight：10.2kg/m；
material：27SiMnleg
height：45outer
width：100inner
width：83waist
depth：8teeth
space：52accoss
angle 1259#πparameter：weight：8.26kg/mmaterial：27SiMn
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