Sigma Green

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Product Description

Sigma Green is an aggressive grinding wheel with noticeably quiet and smooth grinding action. Our best selling grinding wheel is the perfect balance of fast grinding, low vibration, and superior finish.

Sigma Green Grinding Wheels are fast grinding wheels manufactured with a specialty grain and bond combination. Sigma Green is constructed with a layer of coarse grain and a second layer of finer grain, resulting in a better finish compared to standard “fast grinding” wheels.

The specialty bond also results in a better balanced, noticeably quieter, and much smoother running grinding wheel, with less chatter and less vibration.

Metals

  • Stainless steel
  • Mild steel
  • Hard face
  • Titanium
  • Alloys
  • Aluminum

Features

  • High performance grain blend in a proprietary bond
  • Extremely fast metal removal – 50% more than straight aluminum oxide
  • 20% less heat generation than aluminum oxide
  • Virtually iron free – contains only .035% iron
  • Less than 1% iron, chlorine & sulphur combined
  • No vibration or chatter
  • Excellent operator control
  • Noticeably better finish than other bonded wheels of equal grain size
  • Grinds smooth and quiet
  • Minimizes operator fatigue
  • Controlled grinding
  • Cool cutting
  • Won’t discolor or warp stainless

Applications

  • Welding/metal fabrication
  • Grinding stainless & alloys in power plant maintenance & repair
  • Beveling stainless for weld prep
  • Grinding steel & stainless steel in ship building operations
  • Grinding scale from cold rolled steel
  • Grinding weld seams during tank fabrication
  • Refinery maintenance and repair

Specifications

Grain Type

  • High performance Zirconium and Aluminum Oxide combination

Grain Sizes

  • 36
  • 46 (only avialable in 4-1/2")
  • 60 (only avialable in 4-1/2")

Tips

  • Follow Sigma Green or Sigma Green Max with Max Flex 54 grit to achieve a #4 finish
Size Spec Part Number Max. RPM
4-1/2" x 7/8" 36 730000 13,300
4" x 5/8" 36 730001 15,300
4-1/2" x 5/8-11 36 730002 13,300
7" x 7/8" 36 730003 8,500
7" x 5/8-11 36 730004 8,500
5" x 7/8" 36 730005 12,200
5" x 5/8-11 36 730006 12,200
4" x 3/8-24 36 730014 15,300
6 x 7/8 36 730019 10,180
6 x 5/8-11 36 730023 10,180
4-1/2" x 7/8" 46 730008 13,300
4-1/2" x 5/8-11 46 730017 13,300
4-1/2" x 7/8" 60 730009 13,300
4-1/2" x 5/8-11 60 730015 13,300
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