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WorkshopChris
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I would say quite a while, we often prototype in ali first before a finished steel part.
pressbrake1
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I have alloy off cuts, I produce a fair amount.
Ally is much dearer by weight but seems to be cheaper by volume
£5-6 kg . I bought a lump of en16(non alloy) steel and it was close to £3 kg
Steel is expensive enough for me NOT to produce offcuts
Any alloy steel is subject to precious metal tariffs as well just like nickel welding rods
Good job Mother Nature takes bribes to stop climate change
Ally is much dearer by weight but seems to be cheaper by volume
£5-6 kg . I bought a lump of en16(non alloy) steel and it was close to £3 kg
Steel is expensive enough for me NOT to produce offcuts
Any alloy steel is subject to precious metal tariffs as well just like nickel welding rods
Good job Mother Nature takes bribes to stop climate change
Ah now that makes sense..
Country Joe
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If they're the same size "slugs" - then the steel will weigh about 3 times the weight of the aluminium.
Depending on the specific alloy of the steel, that is.
The steel is probably about 3kg and the Aluminium about 1kg.
Aluminium would have to cost 3 times as much as steel to make the prices per "slug" anywhere near equal.
All the Best,
CJ
PS - I took steel density as 7.75-8.05g/cm3 - so went in the middle with 7.9g/cm3
And I took aluminium to be 2.7g/cm3
Depending on the specific alloy of the steel, that is.
The steel is probably about 3kg and the Aluminium about 1kg.
Aluminium would have to cost 3 times as much as steel to make the prices per "slug" anywhere near equal.
All the Best,
CJ
PS - I took steel density as 7.75-8.05g/cm3 - so went in the middle with 7.9g/cm3
And I took aluminium to be 2.7g/cm3
I thought Aluminium was about 3 times the price of steel..
I know 3 years ago when I priced up an Aluminium bed for my recovery truck it was way cheaper for materials in Steel. Lol
hotponyshoes
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It does vary but for something like a recovery bed you could use 3mm steel checkered plate where as you might want 5mm if it was alloy which then works out more expensive.
I think aluminium is one of the top 3 most abundant elements on the planet so it should be cheap really.
Especially as it's currently smelting itself out of the ground in Australia.
I think aluminium is one of the top 3 most abundant elements on the planet so it should be cheap really.
Especially as it's currently smelting itself out of the ground in Australia.
Country Joe
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I wouldn't know the price - but it doubtless varies throughout the differing grades.
That was just a generalised simple maths answer - using the only constants I could easily see, really.
And those "constants" (the densities) weren't really all that constant, as they change according to the make-up of the piece of either metal.
which is why I plumped for the mid-way assumption for the steel density figure.
In maths, programming and maybe also life in general, if variables are kept to a mimimum - hopefully, simplicity then becomes slightly easier to attain - in my limited experience, anyway!
The density isn't really the over-riding aspect here - the price you're being charged per kg or tonne is the larger and more relevant variable - and will never fit cleanly between specific parameters (like 7.75-8.05g/cm3, for example) as human nature is now becoming involved.
This is why you ring around, and look for "bargains" - as human nature also means making errors, so a very good bargain is well outside (read:- below) of normal expected pricing parameters) which could be a mistake - or he just wants rid - or maybe just isn't hell-bent on breaking even or making a "raise" on everything he sells.
Too many variables in this aspect, alone!
Anyway - the price fluctuates, and so many other aspects are also subject to such variances or change - that the only way ends up being to compare a few prices for the same thing, and from a few different places.
Then there's postage - included or not? - reasonable or not? - more variables, again!
Eventually you could break it all down in an attempt to cater for every variance you could expect to find - but that would take too long, even for me.
And would possibly end up looking like a confusing blend of probability and truth tables - not so nice - and maybe trickier to assimilate variables into!
I don't like phones - but even I'd have to make a few calls - rather than suffer all of this analysis.
Usually I'd delete this - but instead I'll just apologise in advance!
But don't hold this un-necessarily long diatribe against me - just blame the Autism - that's what the CAMHS would probably suggest!
All the Best,
CJ
Country Joe
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Nicely put, Mr Shoes! - and if I'd been any closer to needing a pee just then - I may have not made the journey in time!
All the Best,
CJ
Which makes it difficult to smelt (its very reactive) so it takes a lot of energy to seperate it from its compounds......the cost is electricity
