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This table shows approximate hardness of steel using Brinell, Rockwell B and C and Vickers scales. These conversion charts are provided for guidance only as each scales uses different methods of measuring hardness. The right hand column show an approximate equivalent tensile strength.
Converting from Brinell hardness (HBW) to Rockwell C hardness (HRC) is a common requirement in material testing. The conversion process typically involves using empirical formulas or standardized conversion tables. Here’s a general approach: Use a conversion formula: For steels, a commonly used formula is: HRC ≈ -0.000000567 HBW^2 + 0.0624 ...
76.9. These corrections are approximate only and represent the averages to the nearest 1/2 Rockwell number. 1: A 10 mm steel ball was used for 450 BHN and below. A 10 mm carbide ball was used above 450 BHN. Hardness vs Minimum Thickness Chart 55.
Brinell and Rockwell Hardness Conversion Chart - These Conversion Tables presents data in the Rockwell A, B, C, D, E and F hardness range on the relationship among Brinell hardness, Vickers hardness, Rockwell and Shore Scleroscope hardness
Brinell [HB] is one of the most common units used for listing the hardness of steel materials. The test is done with a 10 mm steel ball pressed with 3000 Kgf (6,614 Lbf). Common values for machined materials range from 100 HB for very soft materials up to 650 HB for heat-treated steels.
The table below converts Brinell Hardness to Rockwell Hardness scales and vice versa, then compares those to the approximate tensile strength that those scales indicate.
10 Σεπ 2024 · Our calculator can convert steel hardness between different scales in two steps: Select which hardness number you want to convert from. You can choose from the following: Brinell hardness number; Rockwell C scale; Rockwell B scale; and. Vickers hardness number. Enter the hardness number. The calculator will convert it to all the other remaining ...
