Safe stress Solution

STEP 0: Pre-Calculation Summary
Formula Used
Safe Stress = Yield Strength/Factor of Safety
σw = σy/fs
This formula uses 3 Variables
Variables Used
Safe Stress - (Measured in Pascal) - Safe Stress is based on the yield strength of the material and is defined as the yield strength divided by a factor of safety.
Yield Strength - (Measured in Pascal) - Yield strength can be defined as follows, a straight line is constructed parallel to elastic portion of stress–strain curve at strain offset of 0.002.
Factor of Safety - Factor of Safety expresses how much stronger a system is than it needs to be for an intended load.
STEP 1: Convert Input(s) to Base Unit
Yield Strength: 35 Newton per Square Millimeter --> 35000000 Pascal (Check conversion here)
Factor of Safety: 2.8 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
σw = σy/fs --> 35000000/2.8
Evaluating ... ...
σw = 12500000
STEP 3: Convert Result to Output's Unit
12500000 Pascal -->12.5 Megapascal (Check conversion here)
FINAL ANSWER
12.5 Megapascal <-- Safe Stress
(Calculation completed in 00.020 seconds)

Credits

Created by Hariharan V S
Indian Institute of Technology (IIT), Chennai
Hariharan V S has created this Calculator and 25+ more calculators!
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10+ Stress and Strain Calculators

Strain hardening exponent
Go Strain hardening exponent = (ln(True stress)-ln(K value))/ln(True strain)
Resolved shear stress
Go Resolved shear stress = Applied stress*cos(Slip plane angle)*cos(Slip direction angle)
Engineering strain
Go Engineering strain = (Instantaneous length-Initial Length)/Initial Length
True strain
Go True strain = ln(Instantaneous length/Initial Length)
Maximum Shear Stress from Tresca Criterion
Go Maximum Shear Stress = (Largest principal stress-Smallest principal stress)/2
True stress
Go True stress = Engineering stress*(1+Engineering strain)
Engineering stress
Go Engineering stress = Load/Cross-sectional Area
Safe stress
Go Safe Stress = Yield Strength/Factor of Safety
True strain from Engineering strain
Go True strain = ln(1+Engineering strain)
Maximum Shear Stress from Von Mises Criterion
Go Maximum Shear Stress = 0.577*Yield Strength

Safe stress Formula

Safe Stress = Yield Strength/Factor of Safety
σw = σy/fs

Caution in using factor of safety

The choice of an appropriate value of factor of safety (N) is necessary. If N is too large, then component overdesign will result; that is, either too much material or an alloy having a higher-than-necessary strength will be used. Values normally range between 1.2 and 4.0. Selection of N will depend on a number of factors, including economics, previous experience, the accuracy with which mechanical forces and material properties may be determined, and, most important, the consequences of failure in terms of loss of life and/or property damage.

How to Calculate Safe stress?

Safe stress calculator uses Safe Stress = Yield Strength/Factor of Safety to calculate the Safe Stress, Safe stress is based on the yield strength of the material and is defined as the yield strength divided by a factor of safety. Safe Stress is denoted by σw symbol.

How to calculate Safe stress using this online calculator? To use this online calculator for Safe stress, enter Yield Strength y) & Factor of Safety (fs) and hit the calculate button. Here is how the Safe stress calculation can be explained with given input values -> 1.2E-5 = 35000000/2.8.

FAQ

What is Safe stress?
Safe stress is based on the yield strength of the material and is defined as the yield strength divided by a factor of safety and is represented as σw = σy/fs or Safe Stress = Yield Strength/Factor of Safety. Yield strength can be defined as follows, a straight line is constructed parallel to elastic portion of stress–strain curve at strain offset of 0.002 & Factor of Safety expresses how much stronger a system is than it needs to be for an intended load.
How to calculate Safe stress?
Safe stress is based on the yield strength of the material and is defined as the yield strength divided by a factor of safety is calculated using Safe Stress = Yield Strength/Factor of Safety. To calculate Safe stress, you need Yield Strength y) & Factor of Safety (fs). With our tool, you need to enter the respective value for Yield Strength & Factor of Safety and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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