A-A-1640B
3.2 Design.
3.2.1 Type I, Commercial Use. The type I turner dimensions shall be in accordance with Table I and the applicable figure. The blade of the type I turners shall have a Rockwell Hardness of C35 to C45 when measured in accordance with ASTM E 18. The blade shall be cleaned and polished to a 28 or better finish as defined by the American Iron and Steel Institute’s Handbook, “Finishes for Stainless Steel”. The handle shall have a textured finish.
TABLE I- TYPE I TURNER DIMENSIONS (inches)
|
Style |
Overall Length (+ 1/2") |
Length (+ 1/2") |
Blade Dimensions Width (+ 1/4") |
Thickness (min.) |
|
A |
10-1/2 (26.7 cm) |
4-1/2 (11.4 cm) |
3 (7.6 cm) |
0.065 (1.7 mm) |
|
B, C |
14 (35.6 cm) |
7-1/2 (19.2 cm) |
3 (7/6 cm) |
0.046 (1.2 mm) |
Note: The style B and C turners shall taper to a minimum thickness of 0.026 inch (0.66 mm) at the tip.
3.2.1.1 Style A, Hamburger turner. The style A hamburger turner shall be in accordance with figure 1. The blade of the style A turner shall be beveled across the front edge at an angle of 20 to 40 degrees.
3.2.1.2 Styles B and C, Steak turners. The style B and C steak turners shall be in accordance with figure 2. The style B and C turners shall be identical except the style C turner shall be perforated with 16 to 24 holes, 1/4 inch (6.4 mm) minimum diameter, in the main body of the blade.
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