Know Your Knife

We produce ASTM/ASME Grade 304, Grade 304L,304h, 316, 316L, 316H, 316TI, 321, 321H, 309S, 309H, 310S, 310H, 410S, 2205, 904L, 2507, 254, gh3030, 625, 253MA, S30815, 317L, Type 317, 316lN, 8020, 800, 800H, C276, S32304 and others special requirement stainless steel grade.

A high chromium content stainless (14 %) that incorporates molybdenum and vanadium, which reinforces the toughness, corrosion resistance, and edge holding ability. However, the high degree of hardness makes this metal difficult to sharpen. Stronger than the 440A group of stainless steels on account of higher carbon content, 440C is a excessive-chromium stainless that has glorious hardness properties. When correctly heat-handled, non-stainless steels make sturdy, dependable knife blades, although they’re more for out of doors use and are not beneficial for kitchen or cutlery knives.

AUS-10 has an identical carbon content material to 440C, but much less chromium, which ends up in less stain resistance. Unlike the 440 grades, however, all three AUS grades have vanadium alloyed to extend wear resistance and edge retention. A metal designation trademarked by Cold Steel, Carbon V reportedly fits between a 1095 and O1 grade and is similar to B. Carbon V is a cutlery grade metal that shows cheap corrosion resistance and good edge retention. It is exceptionally robust but tougher to sharpen than most stainless steels.

D2 can be an “air hardening” metal and has excessive tempering resistance which means it is simply as difficult to realize a differentially hardened blade as it is with stainless steels. And while D2 is probably an obvious instance with its excessive chromium content material, there are different non-stainless steels with related traits. In the approximate timeframe of stainless-steel was utilized in many manufacturing knives however did not have a great reputation. Most of those knives had been produced with 420 metal and later with 440A and have been usually low in hardness.

Technique For our stainless

Our stainless production range

• Non-stainless software steels can share a lot by way of mechanical properties with stainless steels which may make the carbon vs stainless debate more murky.
• “Carbon steel” can discuss with either easy carbon steels or broadly to “non-stainless” steel.
• Early mistrust of chrome steel came from manufacturing stainless steel knives with low hardness that had poor performance.
• In basic I would say that knife enthusiasts and knifemakers have more of an appreciation that there are lots of forms of steels with completely different properties.

Both alloys can’t be heat-treated and are non-magnetic. Titanium is understood mainly for making light-weight, excessive-energy fasteners for aerospace use, but additionally it is used for knife blades. Titanium is favored for salt water diving due to its excellent corrosion resistance. Like Stellite and Talonite, titanium has a low Rockwell C hardness, however it has good put on resistance and requires diamond hones to sharpen. Traditionally knife blades are made from steel, an alloy of iron with carbon and other components.

Alloy Additions

All three of these strategies are tough to do with a stainless-steel. The edge quench doesn’t work as a result of stainless steels are “air hardening” that means despite the fact that solely the edge is quenched the backbone would nonetheless harden. Torch hardening isn’t a practical choice as a result of stainless steels require higher temperatures and a prolonged soak previous to quenching. Therefore checks like the 90° bend check were used to show the prevalence of carbon steels, or no less than cast blades. In fact the principles of the Journeyman Smith test state that only a “carbon metal” can be utilized .

There are nonetheless those that really feel that carbon steels show superior efficiency, nevertheless. Perhaps that is due to superior edge geometry somewhat than strictly steel alternative. Regardless of the reasons for the efficiency discrepancy, Jimmy continues to consider that carbon metal is the way to go.

Knife Sharpening Information And Equipment

.001.0420J2 – A lower carbon content, general-function chrome steel. 420J2 has honest hardness and corrosion resistance and excessive ease of resharpening. 420J2 is suited for knife blades with gentle to medium use and routine functions.

We have thousands tons stock of stainless steel sheet and coil with various size and grade,mainly include austenitic stainless steel, martens stainless steel (including precipitation hardened stainless steel sheet & coil), ferritic stainless steel, and duplex stainless steel.

Characteristics of Stainless Steel Sheet and Plate:
High corrosion resistance
High strength
High toughness and impact resistance
Temperature resistance
High workability, including machining, stamping, fabricating and welding
Smooth surface finish that can be easily clean