HAP40 steel blank blade
HAP40 Powdered High Speed Steel blade blank Chef Gyuto 170mm non edged
HAP40 Powdered High Speed Steel blade blank Chef Gyuto 170mm non edged
HAP40 Powdered High Speed Steel blade blank Chef Gyuto 170mm non edged
HAP40 Powdered High Speed Steel blade blank Chef Gyuto 170mm non edged
HAP40 Powdered High Speed Steel blade blank Chef Gyuto 170mm non edged
HAP40 Powdered High Speed Steel blade blank Chef Gyuto 170mm non edged
HAP40 Powdered High Speed Steel blade blank Chef Gyuto 170mm non edged
HAP40 Powdered High Speed Steel blade blank Chef Gyuto 170mm non edged

HAP40 Powdered High Speed Steel blade blank Chef Gyuto 170mm non edged

1 Review
Regular price $53.00 $0.00
Let's try to attach blade on HAP40 Powdered High Speed Steel.

Hitachi metal tools manufactures HAP40 steel and it contains abundant amounts of hard elements like W (Tungsten), Mo(molybdenum), V(Vanadium) & Co(Cobalt) We heat treated this steel for optimal performance at 65 HRC and you will find this blade will hold its edge an amazingly long time. 


-- Note --
This blade will need to attached blade. *recommend use Engineers files,diamond whetstone or grinder for attach a first edged.   
As base blade part and tang is made of SUS405 soft stainless steel, you can make a hole of handle and cutting,sanding.
And tempering-treatment 560-580℃ of this blade, you can sanding with grinder.
If you want forging again, please forge at a temperature of 800-900°C 
*There are oxide film and rust. We will ship it oil a blade. 

- caution when using -
This knife blade will need to attached blade by your self. To make available the blank, you need to sand all face about 0.1 to 0.2 mm and attach a cutting edge blade, because outlayer is oxide film, rust. We are not responsible for your making work.


-- Size -- approx
Gyuto knife 170mm, Total length 245mm, Blade width 42mm, Blade thickness 1.8mm, 97g, Tang length 70mm, Tang width 20mm, approx 

-- Material --
*Blade: Core: HAP40 Powdered High Speed Steel, sandwiched by SUS405 soft stainless steel
 core blade part width 15 mm from cutting edge
*heat treated:  hardening temperature 1200 ℃,tempering-treatment 560-580℃

*HRC 65
*Handle: none 
*Note: There are some tiny crack, slacks and a tiny curved. it's not defective. 
*Made in Japan
*Price is include a knife / non edged, non polished

*This knife was heat treated, you can use it after attached cutting edge.
*Note:  The blank has rust and oxide film on outer layer. To make available of the blank need to sanding all face about 0.1 to 0.2 mm.

How to make an attached blade of HAP 40 blade blanks

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