Target Range of R-bend Shape(Available for only mm sheet)

  • The R-bend shape is subject to FR bending (feed bending), which will result in die marks. Please refer to “Bending Specifications” for details.
  • *If you would like to request R-bending processing without leaving die marks, please write it in the comment column for manual quotation.
Material: Ferrous Metals Surface Treatment Sheet Thickness *1 External Dimensions (Length, Width, Height) *2
Sheet Thickness ≤2.0 mm Sheet Thickness >2.0 mm
Low Carbon Steel (Cold/Hot Rolled)
0.8, 1.0, 1.2, 1.6, 2.0, 2.3, 3.2 5–1200 10–1200
Paint *3 0.8, 1.0, 1.2, 1.6, 2.0, 2.3, 3.2
Electroless Nickel Plating 0.8, 1.0, 1.2, 1.6, 2.0, 2.3, 3.2 5–1200 *4 10–1200 *4
Black Oxide
Trivalent Chromate (Clear)
Trivalent Chromate (Black) 0.8, 1.0, 1.2, 1.6, 2.0, 2.3, 3.2 5–300 10–300
Low Carbon Steel (Cold Rolled) Electrolytic Zinc Plating *5 0.8, 1.0, 1.2, 1.6, 2.0, 2.3, 3.2 5–1200 10–1200
Hot Zinc Plating *5 1.6, 2.3
Material: Stainless Steel Finishing Method Sheet Thickness *1 External Dimensions (Length, Width, Height) *2
Sheet Thickness ≤2.0 mm Sheet Thickness >2.0 mm
  • 304 Stainless Steel
2B 0.8, 1.0, 1.2, 1.5, 2.0, 2.5, 3.0 5–1200 10–1200
Single-Sided #400-Grit Polished *6 0.8, 1.0, 1.2, 1.5, 2.0, 3.0
  • 430 Stainless Steel
2B 0.8, 1.0, 1.2, 1.5, 2.0, 3.0
Material: Aluminum Surface Treatment Sheet Thickness *1 External Dimensions (Length, Width, Height) *2
Sheet Thickness ≤2.0 mm Sheet Thickness >2.0 mm
5052 Aluminum Alloy 0.8, 1.0, 1.2, 1.5, 1.6, 2.0, 2.5, 3.0 5–1200 10–1200
Clear Anodize 5–1200 *4 10–1200 *4
Black Anodize
Material: Perforated Metal Hole Diameter × Hole Pitch *7 Open Area Ratio Sheet Thickness *1 External Dimensions (Length, Width, Height) *2
  • Perforated Metal – 60° Staggered Round Hole Type –
  • (304 Stainless Steel-BA, Bright Annealed)
ø1 × 2p 22.60% 0.8 30–900
ø2 × 3p 40.30% 1.0
ø3 × 5p 32.70% 1.0, 1.5
ø5 × 8p 35.40% 1.0, 1.5
ø8 × 12p 40.20% 1.5
  • *1 The plate thickness tolerance is ±10% (reference value).
  • *2 The maximum and minimum dimensional values are limited by the shape of the bend.
  • *3 Select a paint color from the table (Appendix Table).
  • *4 The maximum length and width dimensions (Appendix Table) may vary depending on the surface treatment.
  • *5 The machining surface will not be plated as it is a pre-treatment material.
  • *6 Protective sheets (one-side only) affixed.
  • *7 See figure below for hole diameter and hole pitch standards.
  • However, the hole pitch orientation can be set to any value.
■Inner R range
Plate thickness Minimum inner R Maximum inner R
0.8 10 150
1.0 10 150
1.2 10 150
1.5 10 150
1.6 10 150
2.0 10 *8 150
2.3 15 150
2.5 10 150
3.0 30 150
3.2 30 150
  • *8 Steel material is R15 as minimum inner R.
Inner R range
(Appendix Table)
Maximum Sizes for Each Surface Treatment
External Dimensions (Maximum)
LengthWidthHeight
Electroless Nickel Plating1200mm800mm300mm
Black Oxide
Trivalent Chromate (White)
Anodized (White)1200mm600mm400mm
Anodized (Black)