4-1/2″*7/8″inch 115*22mm Net Cover High-Temperature Brown Flap Wheel

Product Overview​​
Engineered for heavy rust removal, the ​​115*22mm Brown AO Flap Wheel​​ Crafted through advanced calcination processes, our Aluminum Oxide Flap Discs harness α-Al₂O₃ crystals with 99.6% purity for precision metalworking. These discs maintain consistent Ra 1.2-2.5μm finishes across curved surfaces while resisting loading during prolonged operation. Ideal for shipbuilders blending hull welds and automotive workshops restoring vintage chassis components.

Product Advantages

1.​​Heat Dissipation​​: Mesh structure improves airflow by 40%, preventing workpiece warping.
2.​​Contaminant Control​​: less than 0.05% iron content meets NACE MR0175 for sour service pipelines.
3.​​ User-Friendly Design: Suitable for both seasoned professionals and DIY hobbyists, this disc maintain consistent results across residential and industrial use cases.

Applications

1.​​Oil & Gas​​: Removes mill scale from API 5L X70 pipeline joints pre-welding.
2.​​Rail Maintenance​​: Cleans oxidation from AAR M-201 rail tracks under live traffic conditions.
3.​​Heavy Machinery​​: Restores corroded cast iron engine blocks to NDT-ready surfaces.

Specifications

SIZE INCH RPM PCS/CTN GRIT TYPE
100*16mm 4″*5/8″ 15200 200 40~120 27/29
115*22.23mm 4-1/2″*7/8″ 13300 200 40~120 27/29
125*22.23mm 5″*7/8″ 12250 200 40~120 27/29
150*22.23mm 6″*7/8″ 10200 200 40~120 27/29
180*22.23mm 7″*7/8″ 8500 100 40~120 27/29
230*22.23mm 9″*7/8″ 6650 60 40~120 27/29

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