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11# Coal Mine I Steel Introduction
11# Coal Mine I Steel has stable performance, reasonable structure, good strength and stiffness.
11# Coal Mine I Steel has single light section single small,complex deformation,lots of rolling,rolled piece temperature drop quickly etc.
11# Coal Mine I Steel is mainly used in the coal mine tunnel, the roadway support.
11# Coal Mine I Steel Parameter
Name:11# Coal Mine I Steel
Material : 20mnk Q235
Model : 11#
Height :110mm
Leg m
Waist thickness:9mm
Theoretical weight: 26.05kg/m
Lengh : 8m, 8.5m, 9m, 9.6m, 10m etc, Can be customized according to customer requirements
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