Pit Prop Steel Beam
Adjustable H-beam steel support for underground mining pit-propping to prevent roof collapse. Includes extension pins and base plates for rocky terrain. Qualifies as pit-propping equipment per HTS 7308.40.00.00.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If non-adjustable fixed-length props
Basic steel angles for mine propping use Chapter 73 iron/steel products.
If part of mining machinery sets
Props integrated with continuous miners become machinery parts.
If surface mining shoring
Above-ground mine supports may classify under plates/rods for structures.
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Import Tips & Compliance
• MSHA approval docs mandatory for U.S. mining import clearance
• Declare yield strength (e.g
• 50 ksi) to confirm structural integrity
• Distinguish from railroad ties (7302) by underground propping specifications
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