Knife Steel & Handle Material Chart
Stock Thickness: 0.1-200.0mm
Production thickness: 0.5.0-200mm
200 series: 201,202
300 series: 301,304,304L,304H,309,309S,310S,316L,316Ti,321,321H,330
400 series: 409,409l,410,420J1,420J2,430,436,439,440A/B/C
Type S— is a highly alloyed austenitic stainless steel used for prime temperature application. The excessive chromium and nickel content material give the steel excellent oxidation resistance in addition to excessive power at high temperature. This grade can also be very ductile, and has good weldability enabling its widespread utilization in lots of purposes. Due to the addition of molybdenum, grade 316 stainless steel is more corrosion resistant than related alloys, corresponding to 304 stainless steel.
Our stainless production range
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 toughness and impact resistance
High workability, including machining, stamping, fabricating and welding
Smooth surface finish that can be easily clean
Knife manufacturers use this materials in finances knives, additionally in diving knives because of its high resistance to corrosion. The elevated nickel content and the inclusion of molybdenum makes grade 316 stainless steel a bit costlier than grade 304 per ounce of material.
- This type of stainless maintains its best corrosion resistance within the warmth handled situation.
- 420 stainless-steel is a martensitic larger carbon version of types 410 and 416 stainless that can be hardened by heat remedy.
- Alro stocks 420 Stainless Steel – a modification of 410 with a better carbon content material to increase hardness, improve strength and give better put on resistance.
What is the purest stainless steel?
Try the magnet test. If the magnet sticks it cannot be 316 and might be 304. If the magnet doesn’t stick it could be either 316 or cold worked 304, so heat the piece to about 800 °C, let air-cool and try again with magnet. If it sticks now its 304 SST.
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Knife blades specified as being “440” can typically be assumed to be the lower hardness 440A grade. Under hardened situations, grade 420 steels are resistant to fresh water, alkalis, air, meals and delicate acids. The steel grades with a clean surface end have glorious efficiency. The corrosion resistance properties of grade 420 will are inclined to fall underneath annealed circumstances. The corrosion resistance of grade 420 is lower than that of the grade 430 Ferritic alloys with 17% chromium, grade 410 steels and other austenitic grades.
What is the hardest steel?
Heat Treatment Annealing – Grade 420 stainless steels can be heated at temperatures from 840 to 900°C, followed by slow furnace cooling at 600°C and then air-cooling. Process Anneal – Grade 420 can be annealed at 735 to 785°C and air-cooled.
The following Powder Metallurgy steels comprise very excessive levels of Chromium, which at 18–20% produces a steel matrix that is extremely corrosion resistant. Developed for knife blades requiring good corrosion resistance and really excessive hardness for glorious put on resistance.
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.
Alro stocks 420 Stainless Steel – a modification of 410 with a higher carbon content material to increase hardness, enhance energy and provides higher wear resistance. This type of stainless maintains its finest corrosion resistance in the heat treated condition. 420 stainless-steel is a martensitic higher carbon version of sorts 410 and 416 stainless that can be hardened by warmth remedy. It accommodates a minimal of 12 percent chromium, enough to give 420 corrosion resistance properties. It has good ductility within the annealed condition but is capable of being hardened up to 50 RHC.
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Among steels, CPM-440V is the sting retention champion, but it’s difficult to sharpen. BG-forty two challenges CPM-440V in edge retention, and is as easy to sharpen as 440C.