ST: Strength in materials
52: that the lowest tensile strength
500W in steel bar means this steel yields 500MPa strength
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how calculate steel in concrete
1040 rough steel
Bec. the steel percentage in the concrete is very low therefor we dont deduct the steel qty. from the concrete qty.the Cocrete qty. vastage is more than used steel qty.
ST: Strength in materials 52: that the lowest tensile strength
ST52-3 Hardness is 265 HB
below 380 HV10
96Mpa
The hardness of steel is incomprehensible. It is very hard.
Minimum hardness of Mild steel is about 140 Vickers hardness.
Rockwell hardness
I need to know the hardness for c - 45 steel.
The hardness of a steel nail is about 4.5 (About the same hardness of the mineral Fluorite.)
ANSWER: Rockwell (HRC) 50.Grade 420 stainless steel (Fe,
59
The hardness of stainless steel varies with the alloy and the finish treatment(s). There are hundreds of different stainless steels, and they come in a range of hardness. In addition, there are many ways to treat steel (stainless or otherwise) to increase (or even decrease) its hardness.