A Short Guide to Knife Components and Blade materials

Knives are, perhaps, the most important tools into sharpen they generally do not hold their edge
the kitchen and the pleasure of cooking can befor as long as forged knives. Judge Sabatier and
greatly enhanced by the quality of knife you use,Stellar James Martin are examples of stamped
whether it is for cutting, chopping, boning, filleting,knives.
paring or any other job facilitated by knives. TheBlade Materials
importance of knives can be aptly defined by aThe blade materials can sometimes been seen as
chef, who is sure to have a wide assortment ofthe dark art of the knife manufacturer. The
the instrument.established knife manufacturers they have been
Hence, here are some tips to understand thecontinually refining the exact proportions of
anatomy of knives and the variety of materialscarbon, stainless steel and other components to
used to make them.achieve what they believe the perfect blade to
Knife Componentsbe. For example, Zwilling JA Henckels knives go
The Edge is the cutting part of the knife's blade.through upto 40 manufacturing steps to produce
This could either be plain or serrated according totheir knives, including an ice-hardening process the
the role of the knife.stainless steel goes through, helping create the
The Spine is the side of the blade opposite to thehardest knife around (66 Rockwell).
Edge. The Handle, made of wood, steel, plastic, orHigh Carbon Stainless Steel is still commonly
rubber is where you hold the knife, is increasinglyregarded as the best quality steel to use in knife
important when buying a knife for both comfortmanufacturing. They are rust and stain resistant,
and protection, as demonstrated by Zwilling JAwith its hardness, good looks and exceptionally
Henckels ergonomically designed handle which wassharp edge makes it a favourite for producing
developed after extensive studies by thehigh quality kitchen knives. However, if abused
Fraunhofer Institute. The Bolster is the thickestthey are likely to lose their sharpness. A good
part of the knife and connects the blade to thecarbon stainless steel knife should not be put in
Handle and only forged knives have bolsters. Thethe dishwasher as they can be damaged.
Tang is the part of the blade that runs throughThe use of molybdenum in High Carbon Stainless
the Bolster into the Handle and provides balancesteel knives (sometimes known as Molybdenum
and strength. It is usually visible running along thestainless steel) is being increasingly used in knife
Handle. It is generally believed that knives with amanufacturing as they retain a sharper edge for
full tang (i.e.the knife is made from a single piecelonger and are even more resistant to rust. Whilst
of steel) offer greater strength and durability, andpurists may say that the adding of molybdenum
the majority of quality knife manufacturers havewith reduce the sharpness of the knife they are
fully forged knives with a single tang The Tang isin reality still incredibly sharp, with both Stellar
kept in place with Rivets that ought to be theSabatier and Mundial have molybdenum in their
same level as the Handle to ensure comfortableknives.
holding.Titanium knives are a better option over Stainless
There are names for every part and angle that aSteel as they are lighter, wear resistant and hold
knife entails, such as the point, tip, heel, return,their edge longer. They are, however, more
bolster lip, finger guard, scales, handle guard andflexible and therefore not suitable for all kinds of
handle head or butt but the above are the majorcutting. Kasumi has a range of Titanium knives.
areas.A lesser known variety is Ceramic knives. They
Forged or Stamped?are not metal, of course, but are extremely hard;
Knives can be either forged or stamped. It ishard enough to cut the glaze on dinner ware.
generally considered forged knives are the highestThey are low maintenance and can hold their
quality knives on the market. They take greatedge for years sometimes. But they cannot be
craftsmanship as the process involves extremeused for all kinds of cutting and can be used on
heat and hand moulding to create the finishedcutting boards only. You can try brands such as
article. The blade, tang and bolster are one pieceKyocera and Kasumi.
of steel and are hammered into knife shape, withHere is a brief summary of my beliefs when it
the handle being either riveted or welded onto thecomes to knives:
metal. Following the process of heating andFor purists - Forged and Carbon Steel - Zwilling JA
cooling, the forged blade is ground to create a fullHenckels, Wusthof
taper to the cutting edge. They are popular withHigh quality knives for the hard working, time
chefs for being better balanced, and for the extrapoor cook - forged and molybdenum steel -
flexibility and durability they offer. Zwilling JAStellar Sabatier/Mundial
Henckels, and Stellar Sabatier, make some of theLight and easy to handle knives - James Martin
finest forged knives as do Wusthof and Mundial.Collection
Stamped knives are lighter, more flexible andQuality Knives for everyday use - Judge Sabatier
easier to sharpen but not as balanced or asKnives for those who want to make a statement
strong as forged ones, but can still be of good- Global and Kasumi
quality. The name comes from the processAll knives will lose their edge over time, and it is
where a sheet of metal is stamped out withdependent on how you keep them as to whether
templated cutters, and this process enables themthey retain their sharpness. So, whatever you do,
to be less expensive than forged knives. Thedon't believe a seller when he says a knife would
steel sheets are then cut into the shape of aremain sharp forever - it is not true. Even your
blade. Stamped knives are either hollow ground ormost prized possession will some day have to be
edged, with the hollow ground being the longerface the sharpening steel or a Chefs Choice
lasting of the two knife types as they will retainsharpening station.
their edge for longer. While these knives are easy