The heart of your products
Materials for the highest demands
Our precision tool steels offer you the highest quality and cost-effectiveness for your production. With modern machines and trained personnel, we guarantee precisely machined workpieces with a decarburization-free surface - perfect for the best further processing results.
We supply flat steel according to DIN 59350, tool steel with machining allowance, hardened guide rails and individually manufactured special parts according to drawings, tailored to your requirements.
Material overview
High-alloy steel
Cold work steel 1.2379 | AISI D2
PRÄZI Flachstahl® 1.2379 impresses with its toughness, wear resistance, low distortion and nitridability. Perfect for cutting and punching tools, shearing knives, trimming dies, cutting rollers and breakage-sensitive parts.
Air-hardening cold work tool steel 1.2363 | AISI A2
PRÄZI Flachstahl® 1.2363 offers high wear resistance, toughness, dimensional stability during heat treatment and good compressive strength. Ideal for cutting and punching tools, rollers, shear blades, thread rolling dies, embossing tools, calibration mandrels, measuring tools and plastic molds.
Cold work steel 1.2083 | AISI 420
PRÄZI Flachstahl® 1.2083 is a corrosion-resistant, easily machinable cold-work tool steel that is easy to harden and polish. Ideal for molds, pressing tools and applications in the plastics industry.
Cold work steel 1.2436 | AISI D6
PRÄZI Flachstahl® 1.2436 offers maximum hardness and wear resistance. Ideal for cutting and embossing tools, broaches, punches, pressing and bending tools, folding rails and knives.
Hot-work tool steel 1.2343 | AISI H 11
PRÄZI Flachstahl® 1.2343 has high toughness, hot wear resistance, excellent thermal conductivity and good air hardenability. They can be nitrided, polished and eroded. Ideal for die casting knives, extrusion knives, hot shear knives, cold shear knives, forging tools and other hot work tools.
Hot-work tool steel 1.2343 ESU | AISI H11 ESR
PRÄZI Flachstahl® 1.2343 ESU offers high toughness, hot wear resistance, excellent thermal conductivity and good air hardenability. They can be nitrided, polished and eroded. Ideal for die casting knives, extrusion knives, hot shear knives, cold shear knives, forging tools and other hot work tools.
Hardened and tempered steel 1.2085 | AISI 420 FM
PRÄZI Flachstahl® 1.2085 is a corrosion-resistant tool steel with improved machinability compared to 1.2316. Ideal for mold frames and tools for processing corrosive plastics.
Tool steel 1.3343 | AISI M2
PRÄZI Flachstahl® 1.3343 is a highly wear-resistant tool steel with high toughness, compressive strength and heat resistance. Ideal for cutting tools, milling cutters, drills, circular saw segments, metal saws, woodworking tools, dies, punches and plastic molds with high wear resistance.
Stainless steel 1.4112 | AISI 440B
PRÄZI Flachstahl® 1.4112 is a hardenable, easily machinable, polishable and corrosion-resistant stainless steel. Ideal for plastics processing, tools in the food industry, knives, cutlery, ball bearings and spray nozzles.
Low-alloy steel
Cold work steel 1.2767 | AISI 6F 7
PRÄZI Flachstahl® 1.2767 is a tough, hardenable tool steel with a high nickel content. It offers excellent polishability, photoetchability and erodibility. Ideal for mold inserts, plastic and injection molds, bending tools, pressure bars and shear blades.
Cold work steel 1.2842 | AISI 02
PRÄZI Flachstahl® 1.2842 impresses with its outstanding dimensional stability, high edge retention and excellent wear resistance.
This cold work tool steel is ideal for jigs and fixtures, gauges, templates, rulers, punching tools, measuring tools, precision parts and guide rails.
Heat treatable steel 1.7225 | AISI 4140
PRÄZI Flachstahl® 1.7225 offers high strength and toughness in the quenched and tempered condition and can be induction hardened. Ideal for mechanical engineering, machine parts, axles, connecting rods, crankshafts, gear shafts, gear wheels and base plates.
Tempered plastic mold steel 1.2311 | AISI P 20
PRÄZI Flachstahl® 1.2311 can be easily polished, nitrided, chromium-plated and grained. Ideal for the production of plastic molds and mold frames for plastic and die casting molds.
Tempered plastic mold steel 1.2312 | AISI P 20+S
PRÄZI Flachstahl® 1.2312 offers excellent machinability and nitriding properties. Ideal for plastic molds and mold frames for plastic and die casting molds. Not suitable for etching, polishing, hard chrome plating or graining.
case hardening steel 1.7131 | AISI 5115
PRÄZI Flachstahl® 1.1731is a tough case hardening steel with good machinability in the soft annealed condition and excellent case hardenability. It is ideal for parts subject to wear such as gears, shafts, bolts, bushes, guides and fittings.
case hardening steel 1.2162 | AISI 5120
PRÄZI Flachstahl® 1.2162 is easy to machine, easy to polish and can be nitrided after heat treatment. It offers high toughness in the core and surface hardness. Ideal for tools in plastics processing, pinions, gear wheels, gear racks, machine parts and guides.
Material TOOLOX® 33
PRÄZI flat steel tolerances according to DIN 59350, tempered to 950-1125 N/mm2
Material TOOLOX® 44
PRÄZI flat steel tolerances according to DIN 59350, hardened to 45 HRC, ground on all sides without decarburization with Ra max. 4 µm.
Unalloyed steel
Unalloyed tool steel 1.1730 | AISI SAE 1045
PRÄZI Flachstahl® 1.1730 is an easily machinable shell hardener with a hard surface and tough core. Ideal for build-up plates and strips for plastic molds, blow and foam molds, hand tools and agricultural tools.
Unalloyed structural steel 1.0570 / 1.0577 | AISI A 106
PRÄZI Flachstahl® 1.0570 / 1.0577 is a construction material with very good weldability. Ideal for mechanical engineering, intermediate layers and base plates in stamping and mold making.

We are happy to test other materials on request.
Please feel free to contact us.
Contact person
Advice for materials

Bernd Schlieper
Business Development Manager
+49 (0) 2582 – 76 124
Advice for materials

Jiri Janik
Business Development Manager
+420 734 200 224
