Most manufacturers opt for metal ones.
Ceramic burr vs steel burr.
If you re brewing mostly espresso you might steer more toward a ceramic burr grinder.
Ceramic burrs are harder than steel and last on average about twice as long as steel burrs.
Ceramic burr are less thermally conductive than steel this means these burrs transfer less heat than steel burrs see below on heat.
The main thing that impacts the cost of a grinder is whether it is automatic or manual though not the blade material.
Since ceramic and steel burrs have different heat conducting abilities.
Blade coffee grinders duration.
Conical vs flat burrs.
Contrary to popular belief steel burrs are not just designed for brewing.
They are great for blends and particularly coffees roasted for espresso.
Ceramic vs steel burr coffee grinders.
Ceramic burrs are more brittle than steel so you could chip the ceramic burr if a very hard rock was hiding in the beans.
On the other hand stainless steel burr grinders tend to cost less up front but their blades will warp and become blunt faster than ceramic ones.
That means your first steel grinder probably isn t going to be your last one.
Ultimately as with the burr shape the ceramic vs steel issue is going to be about personal taste.
Ceramic burrs transfer less heat compared to steel ones this means that the type of burr used can affect the taste of coffee.
They also have the capability of grinding for espresso.
In general the low speed high rpm motors are in less expensive 200 range grinders.
Stainless steel conical burr coffee grinder mill.
Although ceramic burr grinders have been preferred by a majority for some time now results of recent taste tests clearly show that steel burr sets also have some desirable properties.
In reality there is little difference between ceramic and metal burrs.
Ceramic also absorbs less heat however most of the heat generated in grinding is due to the rpm and the crushing of the beans.
High speed vs low speed grinders.
It s just my husband and i at home but for when company comes i was thinking of getting a large chemex.
The cup flavors are complex and usually have more body and mouth feel in comparison to the steel burrs depending on the coffee.
With regards to tasting espresso specifically we have noticed that the ceramic burrs produce a traditional espresso flavor profile.
I normally use a french press and just yesterday bought an aeropress.