Aim weight % vs Acceptable weight %
Aim weight % vs Acceptable weight %
(OP)
Hi,
Could you please describe me whats the difference between an AIM WEIGHT % vs ACCEPTABLE WEIGHT % in a chemical composition chart for a material specification.
i also got some values for acceptable weight is much higher than aim weight.
Regards
sume
Could you please describe me whats the difference between an AIM WEIGHT % vs ACCEPTABLE WEIGHT % in a chemical composition chart for a material specification.
i also got some values for acceptable weight is much higher than aim weight.
Regards
sume





RE: Aim weight % vs Acceptable weight %
But for me it sounds like
Aim is like normal- the percentage of element that allows achieving the desired properties easily at low cost.
Acceptable is maximum percentage- normally only occurring due to scrap or slight process variation (added too much or the raw powder has some variation element content) or perhaps a cheap source of the element.
Should some minimum depending on the element- metalloids like sulfur for ordinary carbon steels would have no minimum but manganese would have a minimum.
The actual percentage needed depends on achieving the properties depending on the processing specified.
For instance low alloy steels might allow up to 1% Nickel acceptable but aim for 0.1% Nickel
http://www.eng-tips.com/threadminder.cfm?pid=1529
Use translation assistance for Engineers forum
Note the rules include No Student posting
RE: Aim weight % vs Acceptable weight %
RE: Aim weight % vs Acceptable weight %
The acceptable % range is provided in a material's chemical specification to provide the limits for which the intended chemical analysis will met the reguired mechanical properties and acts as a acceptance or in spec./ out of spec determination of the element.
The aim % is sometime given as the most optimum single Wt.% value to aim for to meet the properties.
Hope this helps
RE: Aim weight % vs Acceptable weight %