Abstract:
A matrix type hot work tool steel, in use, has an improved abrasive wear resistance in demanding applications. The steel is suited for applications in hot forging, die casting or hot extrusion. It is also suitable for press hardening, in particular for press hardening of Advance High Strength Steel (AHSS) and has a high hot wear resistance. The hot work tool steel has a composition including, in weight % (wt. %): C 0.65-0.85; Si 0.03-0.8; Mn 0.1-1.8; Cr 4.5-6.6; Mo 1.8-3.5; V 1.3-2.3; Al≤0.1; N≤0.12; Ni≤1; W≤0.5; Co≤2; Cu≤1; Nb≤0.1; Ti≤0.05; Zr≤0.05; Ta≤0.05; B≤0.01; Ca≤0.01; Mg≤0.01; REM≤0.2; and balance Fe and impurities.
Abstract:
The invention is directed to a steel for making a hot working tool, the steel consists of in weight % (wt. %): C0.01-0.08 Si0.05-0.6 Mn0.1-0.8 Cr3.9-6.1 Ni1.0-3.0 Mo7.0-9.0 Co 9.0-12.5 Cu0.2-6.5 N0.01-0.15 Balance optional elements, impurities and Fe. The invention is also directed to pre-alloyed powders made from said alloy and AM articles produced from said powder.
Abstract:
The invention relates to a cold work tool steel. The steel comprises the following main components (in wt. %): C 0.5-2, N 1.3-3, Si 0.05-1.2, Mn 0.05-1, Cr 2.5-5.5, Mo 0.8-2.2, V 6-18, with a balance of optional elements, iron, and impurities.
Abstract:
The invention relates cold work tool steel. The steel includes the following main components (in wt. %): C 2.2-2.4, Si 0.1-0.55, Mn 0.2-0.8, Cr 4.1-5.1, Mo 3.1-4.5, V 7.2-8.5, balance optional elements, iron and impurities.
Abstract:
The invention relates to a mould for the manufacturing of mould steels in an inert gas or a pressurized electro slag re-melting apparatus. The mould comprises a non-rectangular and non-circular inner copper sleeve having a width, w, of 1000-2500 mm and a thickness, t, of 700-1250 mm, wherein the short sides in the thickness direction of the copper sleeve at least partly have sections with curved surfaces and wherein the long sides in the width direction at least partly have sections with curved surfaces.
Abstract:
The invention relates to a stainless steel intended for cutting tool bodies or holders for cutting tools and a cutting tool body made of the stainless steel. The stainless steel includes the following, in weight %: C 0.14-0.25, N 0.06-0.15, Si 0.7-1.2, Mn 0.3-1.0, Cr 12-15, Ni 0.3-0.8, Mo 0.05-0.4, V 0.05-0.4, Al 0.001-0.3, and optional components and balance Fe apart from impurities.
Abstract:
TRICHLOROACETYL CHLORIDE IS PRODUCED FROM PERCHLOROETHYLENE, OXYGEN AND CHLORINE IN A PHOTOCHEMICAL CHLORINE-SENSITIZED GAS PHASE OXIDATION PROCESS. A LIQUID COOLANT IS CONTINUOUSLY INTRODUCED INTO THE REACTOR IN DROP
FORM, TO ABSORB BY VAPORIZATION A CONSIDERABLE PORTION OF THE HEAT PRODUCED IN THE OXIDATION PROCESS.