9# mine i beam: mining i beam is commonly referred to mine steel, it is a type of mine steel, mainly used for the support of mine tunnel, flange width, height and thickness.
1, standard: YB/T24-1986/2
2, size specification:
Type: 9#
Heigh: 90±2.0
Leg width: 76±2.0
Web thickness: 8±0.6
Material: 16Mn
Tel: +86 182 3676 6038
Email: zxminesupport@zxsteelgroup.com