Its hardness, resistance to abrasion and ability to retain shape at increased temperatures are the key properties of this material. Tool Steel H11 is a chromium-based steel alloy from the “H” family of steels according to the AISI classification system. The system is based on the chemical compositions of the steels and alloys. According to the use, the classification of steel can be divided into: Structural steel; Tool steel; Die steel; Spring steel; Bearing steel; Abrasion resistant steel (Wear-resistant steel) Valve steel; Cold heading steel; Free cutting steel; Bridge steel; Marine steel; Boiler steel; Pressure vessel steel; Electrical steel, etc. Tool steel is a type of carbon alloy steel that is well-matched for tool manufacturing, such as hand tools or machine dies. A-2 Tool Steel. AISI - American Iron and Steel Institute; SAE - Society of Automotive Engineers; Alloy steels and carbon steels can be designated with specific grades by a four-digit AISE/SAE numerical index system. Stainless steel achieve its stainless characteristic through the formation of an … Tool steel is typically used in a heat treated condition which provides increased hardness. A-2 offers good toughness with medium wear resistance along with relatively easy machining. Ordinary steel （ P≤0.045% ， S≤0.050% ） Applications in cold work dies. FERROUS MATERIAL - STEELS . YSS Cold Work Tool Steels. Quality Assured Supply. Garrison Jr, in Encyclopedia of Materials: Science and Technology, 2001. Our comprehensive database includes tool steel brand names – specifications and grades old and new. Tool steels are groups into six types: high speed, hot work, cold work, shock resisting, special purpose and water hardening. AISI H-10, H-11, H-12, H-13 AISI H-19, H-21 H-13 is the most common hot working tool steel. The selection of a material for a particular application will depend upon design, service conditions, and desired properties. AISI/SAE steel numbers are indicated below. After annealing there will be about 0.20% carbon present as free graphite. Tool steels are yet another classification or type of metal you can find on the market. Ferrous Materials Ferrous Steels Cast iron Low Alloy High Alloy Tool steel Stainless steel 4. 5 Classification of tool steels 17 5.1 Water-hardening steels 17 5.2 Low-alloy special purpose steels 17 5.3 Mould steels 18 5.4 Shock-resistant steels 18 5.5 Hot-work steels 18 5.6 Cold-work steels 19 5.7 High-speed steels (HSSs) 20 Appendix 1 - Variation limits in composition of each tool steel group. Some people just use the colours while others will use the various codes associated with each product. Introductory Level Tutorial on Use and Application of Tool Steels For example, most commercial steels are classified into one of three groups: plain carbon, low-alloy, and high-alloy. For mass production use Recommended YSS steel. Grades of Hot Working Tool Steel. German Specifications Tool steel to standards including BS4659, BS EN ISO 4957, Werkstoff, AISI, DIN 17350, ASTM A681 and EN10027-2 are stocked as well as other designated standards. A-2 also has excellent non-deforming properties. Classification of Steel By Use and Application. In manufacturing, both cold-rolled and hot-rolled steel are used in a variety of alloys. All of these tool steels use a substantial amount of carbide forming alloys. - May contain other alloying elements. Martensitic: Martensitic steels contain 11-17% chromium, less than 0.4% nickel, and up to 1.2% carbon. Classification of … Tool steels are covered in Australian Standard AS1239 and with some minor modifications in grouping it is an endorsement of the American AISI tool steel classification. Cutting tools, cams, dies, chuck jaws, blocks, gages, and drill bits are just some examples of the many different tool steel applications. Steel framing classifications mostly come from ASTM. The classification methods of steel are varied, and the main methods are as follows: Classification by quality. Tool steels, along with stainless steels, are a sub-group of alloy steels. If alloying elements is less than 8 %, they are called low alloy steels and if alloying elements is more than 8 %, they are called high alloy steels. Steel classification is important in understanding what types are used in certain applications and which are used for others. Similarly British Standard 4659 is an endorsement of the AISI classification. Our tool steel is supplied in accordance with our ISO 9001:2008 registration. DIN EN 14700 DIN 8555 T Fe3 MF 3-55-STW Alloy-No. The H Grade Tool Steels were developed for strength and hardness during prolonged exposure to elevated temperatures. Table of Steel Equivalent Grades (EN, SAE/AISI, UNS, DIN, BS, UNI, JIS) The table below compares steel equivalent grades of materials from various international specifications. 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