# Spring Material Minimum Tensile Strength Formula & Calculator

## Minimum Tensile Strength (TS) Calculation

A - Material Constant (kpsi)
d - diameter (mm)
m - exponet value

minimum tensile strength (TS) calculator - step by step calculation, formula & solved example problem to find he capacity of spring material to withstand loads tending to elongate. Spring material constant A, diameter d & exponent m are the key terms of this calculation.

## Formula

In mechanical engineering, the below mathematical formula is used to calculate the minimum tensile strength Sut of a spring material.

Constants of Tensile Strength Calculation
Material ASTM A in kpsi A in Mpa m
music wire A228 186 2060 0.163
oil-temtered wire A229 146 1610 0.193
hard-drawn wire A227 137 1510 0.201
chrome vanadium A232 173 1790 0.155
chrome silicon A401 218 1960 0.091

### Solved Example

The below step by step solved example problem may helpful for users to understand how the input values are being used in such calculations to find the capacity of material to withstand loads tending to elongate.
Example Problem
Find the minimum tensile strength of spring material (ASTM A227) having diameter d = 7 mm, constant A = 137 kpsi & exponent m = 0.201.
Solution
The given data
constant A = 1510 kpsi
diameter d = 7 mm
exponent m = 0.201

Step by step calculation
Formula to find Sut = A/dm
substitute the values in the above formula
= 137/70.201
Sut = 92.65 kpsi

In the field of mechanical engineering, it's important to analyse the strength of materials. The above formula, step by step calculation & solved example problem may be useful for users to understand how the values are being used in the formula to find the minimum tensile strength of spring material Sut, however, when it comes to online for quick calculations, this spring material tensile calculator helps the user to perform & verify such mechanical engineering calculations as quick as possible.

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