News

Welcome to our news, where we aim to keep you up to date with both our own and industry related information.

1.4528 - Martensitic Stainless now in stock (N690 Equivialant)

We launch our New Knife Making Stainless Steel


We are pleased to announce the lauch of our new knife making stainless steel, Lohmanns LO-R 4528 (Werkstoff 1.4528 - AISI 440B+Co). This is Lohmanns equivalent to Bohler's N690 steel which is very similar to Takefu VG-10. 

It is a martensitic stainless steel which is used in kitchen blades, fixed knives and folders.

Average Analysis:-
Carbon: 1.05%
Chrome: 17.5%
Molybdenum: 1.2%
Vanadium: 0.1%
Cobalt: 1.5%

Heat Treatment:-
Hardening: 1000 - 1040 Degrees Centigrade - Oil quenching or gas stream
Tempering: 240 - 300 Degrees Centigrade for 55 - 58HRC (Preferred tempering range) 
460 - 480 Degrees Centigrade - Increased toughness, but reduced corrosion resistance

Sizes and prices are all available on our web-shop!