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Technical Data

The following terms commonly used in cutlery marketing literature, are often misunderstood. Here is a brief primer that will help you make a well informed purchase.

About Steel

The making of good cutlery steel is the result of an exact recipe in which several ores, elements, and metals are combined together in just the right proportions. Quality and price varies widely. A lower price typically reflects a less exacting metal process. Higher prices usually reflect greater hardness, tempering sharpness and quality.

Stainless

Stainless does not mean “rust proof” or “stain proof.” It means that the metal will stain less. Some characteristics of metal ores, even in expensive blades, will show tiny rust dots, usually resulting from over-exposure to moisture or chemicals. There are noticeable differences between low and high quality stainless tell. High quality stainless steel is used in the some of the finest cutlery blades available today.

Ice

The term “ice” is very misleading. Many people ask for scissors by this name when, in fact, it is a nickname for a tempering or hardening process used on quality cutlery steel. Be aware that not all cutlery with the word “ice” on the balde is of a reputable quality.

Tempering or Hardening

Tempering or hardening is a process of heat-treating steel until a desireable balance is obtained between hardness and toughness. The most preferred method of hardening is accomplished by heating the steel to a red or white heat color and then cooling it by a sudden sub-zero quench into a cold oil or liquid. Controlling precise temperatures in heating and cooling achieve the proper hardness. The slightest variations may result in poor quality, such as softness, inconsistency, brittleness, and other flaws. Each brand or steel product, depending on its composition, may react very differently and require its own recipe for hardness or tempering.

Carbon Steel

Carbon steel is an element with an extremely high melting point. It reacts directly and blends with most metals to form carbide compounds. It is usually less expensive than high grade stainless steel and may be more apt to rust and tarnish if not help clean and free from moisture. Carbon steel has been a standard in many cutlery steels for generations.

Cobalt

Cobalt is a grey stel metal discovered by the Swedish chemist George Brandt. It takes high polish and is hard and brittle. Derived mainly from silver ores from Ontario, Canada, cobalt is blended with other ores for its noticeable hardness.

Titanium

Titanium belongs to the tin group of metals. Pure titanium is silver white ad extremely brittle. Used as a great content in the production of alloys, it is commonly used for plating.

Chrome/Nickel

Chrome is a white metal of great hardness. Chrome may be more bluish white. Use to a great extent in the production of alloys, it is commonly used for plating.

Bluing

Bluing is a process applied to high carbon steel to change its color from white to dark blue. This change is caused by a chemical reaction that seals the metal pores and creates a more resistant finish. It is also commonly found as a blue finish on guns, cutlery blades and scissors.

Ceramic

Ceramic is a hybrid material manufactured using high temperature treatments, resulting in a rigid, ultra hard composition that is extremely pure and precise.

Client Reviews

Knives came out sharper than when I bought them! Fair pricing, quick turnaround, and very nice people. 10/10 would recommend.

Ben Beuch

I highly recommend this place! Sharp knives make me want to cook and prep! I love how the knives were wrapped in butcher paper – gave me something to conveniently try the new effortless edge on! They also gave me plastic thin guards for the paring knives for free/transport.

Sophie Sampson

First time sharpening here, and I am impressed. I cut with Mizutani shears and they require skilled technicians. I have had these shears sharpened by a few places and Sharpening Center is by far the best in the Twin Cities! They even got my blending shears cutting smoothly after multiple attempts by other local sharpeners. Worth the trip!!

Diane Afrooz

We’ve had knives sharpened before with OK results. Heard about Sharpening Center and gave them a try. Wow! Amazing results. Great service. And they did a great and impressive job at packaging the knives, in plastic, individual sleeves and wrapped in brown paper. Impressive! Will never go elsewhere. And great pricing!

Ramon Gonzalez

My wife experienced prompt service and a reasonable price when getting her pinking shears sharpened. Dan gave her instructions on using them so they wouldn’t dull quickly. We both highly recommend the Sharpening Center.

Dennis P.

I do not live close to the Sharpening Center, but taking the trip to this business was definitely worth it! Their prices are really affordable and my tweezers are as good as new! Its location in Downtown Hopkins is also really charming.

A.B.

Seriously, I never knew my knives could be like this! I thought our Wüstof Grand Prix knives were great when we first bought them, but they were never this sharp! Nice work Sharpening Center! Fast and friendly service. Excellent pricing. Hours clearly posted and open during times I arrived or called. I would highly recommend their services.

Scott Ackerman

I bring my professional scissors and clipper blades here and have for years.
I highly recommend this place to all hair stylists. They’re the best scissor sharpening place in Minnesota.

Lois Ost-Raye

Great service, professional edges, quick turnaround, fabulous customer service.

Paige Sullivan

I had used a Wusthof chef knife in place of a cleaver and imagined the mangled blade was surely unfixable. Dan and team came through and did superb work at very good price. Highly recommend.

Garrett Haida

Top notch service. I traveled from out of town and Dan helped immensely with the turn around time. I would highly recommend as the knives were expertly sharpened. Also, check out the store. Lots of clippers and other sharp objects.

Steve Binder

For your blade sharpening or repair needs, contact The Sharpening Center! Drop off in person or mail in your order today!