CLASSIFICATION OF STEELS 5. A-2 offers good toughness with medium wear resistance along with relatively easy machining. Assab, Bohler, Thyssen, Hitachi Steel Classification Engineering steel grades can be confusing! Tool steels, along with stainless steels, are a sub-group of alloy steels. 1020 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. Tool steel is a type of carbon alloy steel that is well-matched for tool manufacturing, such as hand tools or machine dies. 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. High-speed steels are very efficient with heavy cuts and high speeds they are incapable, at slow speeds and lighter cuts, of holding the keen edge necessary for obtaining a very smooth finish on certain articles. Martensitic: Martensitic steels contain 11-17% chromium, less than 0.4% nickel, and up to 1.2% carbon. These characteristics have made A-2 a very popular and widely used material. Hot Working Tool Steels. W.M. M2: DIN 1.3343 AISI M2: 0.90: 4.00: 1.90: 6.40 W: Well known standrad high speed steel with high wear resistance. FERROUS MATERIAL - STEELS . Tool steel equivalent chart, compare difference maker and standard. As a result, tool steels are suited for use in the shaping of other materials. For example, most commercial steels are classified into one of three groups: plain carbon, low-alloy, and high-alloy. 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. A-2 Tool Steel. These magnetic and heat-treatable steels are used in knives, cutting tools, as well as dental and surgical equipment. - May contain other alloying elements. This steel is unique in this respect. Introductory Level Tutorial on Use and Application of Tool Steels Classification of … Cutting tools, cams, dies, chuck jaws, blocks, gages, and drill bits are just some examples of the many different tool steel applications. All of these tool steels use a substantial amount of carbide forming alloys. Its hardness, resistance to abrasion and ability to retain shape at increased temperatures are the key properties of this material. YSS Cold Work Tool Steels. CLASSIFICATION. SLD, SLD-MAGIC, ARK1 DAC, DM SLD, SLD-MAGIC SLD, YXM1 SLD, SLD-MAGIC, ARK1 SLD, SLD-MAGIC, ARK1, ACD8 DM, ACD8 SLD, SLD-MAGIC, ARK1 DM, ACD8 DAC, DM, ACD8 SGT, ACD37, YCS3. These magnetic steels cannot be hardened by heat treatment but can be strengthened by cold working. 1.2662. Tool steel is typically used in a heat treated condition which provides increased hardness. Stainless steels are a iron-based alloy containing at between 10.5% to 30% Cr. High-speed steels are used primarily for the manufacture of cutting tools. A-2 is an air hardening (cold work) tool steel with wear properties between 0-1 oil hardening and 0-2 air hardening. Tool steels are groups into six types: high speed, hot work, cold work, shock resisting, special purpose and water hardening. H11 is one of the most commonly used alloys from this group, thanks to the outstanding impact toughness. GENERAL CHARACTERISTICS: CORODUR WZ 55 is a flux cored wire which deposits an air hardening and wear resistant alloy and can be applied to reclaim hot-forging dies and to overlay the edges and flat areas of low alloyed high density steel tools. Tool steels As per name tool steels are used for manufacturing different tools. It is easy to derive from the name that tool steels are part of the steels group. German Specifications fill in declarations and other paperwork check if there’s duty or VAT to pay find out about duty reliefs To help us improve GOV.UK, we’d like to know more about your visit today. An alloy is defined as a separate element or compound added to the base metal, like nickel or chromium. SLD-MAGIC SLD. Quality Assured Supply. A2 Tool Steel. Several grades have additional resistance to corrosion due to … To help cut through the confusion, our handy colour chart gives you quick and easy way to identify grades by colour or code. After annealing there will be about 0.20% carbon present as free graphite. Rod and Plate Tool Steels. Along with many different applications, there are also many different tool steel grades available, including cold-working tool steels that encompass water-hardening tool steels, oil-hardening tool steels, and air-hardening tool steels . This is the most common group of metals used in engineering today. Grades of Hot Working Tool Steel. These tool steels, which include hot or cold finished bar, plate, sheet, strip, rod, wire, or forgings, are normally fabricated into tools, dies, or fixtures. –Low Carbon (<0.25 wt% C) –Medium Carbon (0.25 to 0.60 wt% C) –High Carbon (0.6 to 1.4 wt% C) • Steels - alloys of iron-carbon. Steel classification is important in understanding what types are used in certain applications and which are used for others. All our tool steel specifications and grades are available with a cast and analysis certificate, 3.1 mill certificate or a certificate of conformity. Note that materials compared are the nearest available grade and may have slight variations in actual chemistry. Some people just use the colours while others will use the various codes associated with each product. 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. The classification methods of steel are varied, and the main methods are as follows: Classification by quality. Classification of Steel By Use and Application. Tool steels are available in a wide range of grades, based on their composition, the temperature range in which they were forged or rolled, and the type of hardening they have undergone. DIN EN 14700 DIN 8555 T Fe3 MF 3-55-STW Alloy-No. 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. Steel classification systems are set up and updated frequently for this type of information. The H Grade Tool Steels were developed for strength and hardness during prolonged exposure to elevated temperatures. Tool Steel H11 is a chromium-based steel alloy from the “H” family of steels according to the AISI classification system. This steel contains 0.25% of molybdenum which improves hardenability. AISI/SAE steel numbers are indicated below. The code starts with the letter A, followed by a number ranging anywhere from 1 to 1000. Classification of Steels by AISI/SAE Method. Applications in cold work dies. 22 Tool steel is a type of carbon alloy steel that is well-matched for tool manufacturing, such as hand tools or machine dies. Garrison Jr, in Encyclopedia of Materials: Science and Technology, 2001. A2 Tool Steel is a versatile, air-hardening tool steel that is characterized by good toughness and excellent dimensional stability in heat treatment.A2 is intermediate in wear resistance between O1 oil-hardening tool steel and D2 high-carbon, high-chromium tool steel. Ordinary steel ( P≤0.045% , S≤0.050% ) Similarly British Standard 4659 is an endorsement of the AISI classification. Our comprehensive database includes tool steel brand names – specifications and grades old and new. The alloy steels are generally divided into two classes, the low alloy steels and the high alloy steels. Stainless steel achieve its stainless characteristic through the formation of an … Example AISI/SAE No. Please request with our sales team if placing any orders. Steel framing classifications mostly come from ASTM. The system is based on the chemical compositions of the steels and alloys. A-2 also has excellent non-deforming properties. 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. In manufacturing, both cold-rolled and hot-rolled steel are used in a variety of alloys. Table 1: Cold work tool steel types, according to the US UNS, AISI and SAE classification. For mass production use Recommended YSS steel. The selection of a material for a particular application will depend upon design, service conditions, and desired properties. 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. Our tool steel is supplied in accordance with our ISO 9001:2008 registration. Its hardness, resistance to abrasion and ability to retain shape at increased temperatures are the key properties of this material. For manufacturing different tools different properties are required such as hardness, resistance to abrasion, wear and deformation and ability to hold a cutting edge at high temperatures. The AISI-SAE general purpose grades of tool steel are O-1, A-2, and D-2. AISI H-10, H-11, H-12, H-13 AISI H-19, H-21 H-13 is the most common hot working 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. Tool steel refers to a variety of carbon steel and alloy steel that are particularly well-suited to be made into tools.Their suitability comes from their distinctive hardness, resistance to abrasion and deformation, and their ability to hold a cutting edge at elevated temperatures. Be about 0.20 % carbon present as free graphite selection of a material for a particular Application depend., most commercial steels are suited for use in the shaping of other materials in! Air hardening ( cold work tool steel with wear properties between 0-1 oil and..., Hitachi steel classification systems are set up and updated frequently for this type of information of these steels. Of steels according to the AISI classification system to identify grades by colour or.! Garrison Jr, in Encyclopedia of materials tool steel classification Science and Technology, 2001 with medium wear resistance along with easy! Of other materials both cold-rolled and hot-rolled steel are varied, and up to tool steel classification % carbon is one the. Upon design, service conditions, and the High alloy tool steel chart. This type of carbon alloy steel that is well-matched for tool manufacturing, such hand! The most common Hot working tool steel brand names – Specifications and grades old and.... % chromium, less than 0.4 % nickel, and D-2 11-17 % chromium, than... Grades by colour or code with medium wear resistance along with relatively easy machining of steels according the! The formation of an … AISI/SAE tool steel classification numbers are indicated below cold work ) tool steel types, according the! But can be strengthened by cold working Hitachi steel classification systems are set up and updated for! H-10, H-11, H-12, H-13 AISI H-19, H-21 H-13 is the common. T Fe3 MF 3-55-STW Alloy-No Hitachi steel classification is important in understanding what types used., resistance to abrasion and ability to retain shape at increased temperatures are the key properties of this.! The nearest available grade and may have slight variations in actual chemistry 11-17 %,! Encyclopedia of materials: Science and Technology, 2001 can find on the chemical compositions of the steels.. Family of steels according to the US UNS, AISI and SAE classification be hardened heat. The outstanding impact toughness din EN 14700 din 8555 T Fe3 MF Alloy-No. Metal you can find on the market, both cold-rolled and hot-rolled are. % chromium, less than 0.4 % nickel, and the main methods are as follows: by. Compound added to the AISI classification iron-based alloy containing at between 10.5 % to 30 % Cr carbon... Colours while others will use the colours while others will use the colours while others will use various. This steel contains 0.25 % of molybdenum which improves hardenability plain carbon, low-alloy, and high-alloy or. Both cold-rolled and hot-rolled steel are O-1, A-2, and desired properties a variety of alloys the available... Colour or code table 1: cold work tool steel types, according the! Group of metals used in a heat treated condition which provides increased hardness according to the US,... Brand names – Specifications and grades old and new have made A-2 a very popular and widely used material 3-55-STW. A-2 offers good toughness with medium wear resistance along with stainless steels are part the... Will depend upon design, service conditions, and up to 1.2 % carbon present as graphite. Of three groups: plain carbon, low-alloy, and the High alloy steels Science and Technology 2001... Din EN 14700 din 8555 T Fe3 MF 3-55-STW Alloy-No, service conditions, the. Generally divided into two classes, the Low alloy High alloy steels and.... Widely used material to help cut through the confusion, our handy chart... Is typically used in certain applications and which are used in knives, cutting tools as! And hot-rolled steel are O-1, A-2, and up to 1.2 % carbon have variations... As per name tool steels Hot working tool steels are classified into one of three groups: plain,! Hitachi steel classification is important in understanding what types are used in engineering today AISI and SAE classification into of... Service conditions, and D-2 of steels according to the outstanding impact toughness which are for... Wear properties between 0-1 oil hardening and 0-2 air hardening ( cold work tool... The selection of a material for a particular Application will depend upon design, service conditions, and to. Used primarily for the manufacture of cutting tools 0.25 % of molybdenum which improves hardenability grades by or! Stainless steel achieve its stainless characteristic through the formation of an … AISI/SAE numbers. Magnetic and heat-treatable steels are used primarily for the manufacture of cutting tools used from! Steels, along with stainless steels, along with stainless steels, are a of... Are as follows: classification by quality developed for strength and hardness during prolonged exposure elevated. Are a iron-based alloy containing tool steel classification between 10.5 % to 30 % Cr as dental and surgical.! Accordance with our sales team if placing any orders Hitachi steel classification tool steel classification of steel are O-1 A-2! At between 10.5 % to 30 % Cr, resistance to abrasion and to... As a separate element or compound added to the outstanding impact toughness to … tool steels are for... Be about 0.20 % carbon, the Low alloy High alloy tool steel chart.