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UNS S31603 Austenitic Molybdenum Stainless Steel

March 11, 2018, 1:58 am
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What is UNS S31603? Grade S31603 is the molybdenum grade defined in the UNS system, which comes after the UNS S30400 in its importance within the austenitic stainless steels. The molybdenum offers S31603 enhanced corrosion resistant properties than UNS Grade S30400, especially more resistance to crevice corrosion and also pitting in chloride atmosphere. What is ASTM A240 / A240M? UNS S31603 is also identified in the standard as 316L grade. It is an American material standard for standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications. Why S31603 called Grade

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UNS S31600 Austenitic Molybdenum Stainless Steel

April 5, 2018, 8:20 am
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What is UNS S31600? Grade S31600 is the molybdenum grade defined in the UNS system, which comes after the UNS S30400 in its importance within the austenitic stainless steels. The molybdenum offers S31600 enhanced corrosion resistant properties than SUS 304, especially more resistance to crevice corrosion and also pitting in chloride atmosphere. What is ASTM A240 / A240M? UNS S31600 is also identified in the standard as 316 grade. It is an American material standard for standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications. Why S31600 called Grade 316

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SUS304 vs SS304 Stainless Steel

April 11, 2018, 11:14 am
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SUS 304 Austenite stainless steel is usually referred as the Japanese name for SS304 nor AISI 304 stainless steel. Thereis no major difference except that the two grades are referred in Japanese and American grades. Some people although try to explain the different in terms of mechanical properties. A sample of SUS304 stainless steel from a Japanese source was collected, and a sample of AISI 304 (SS304) stainless steel from an American source is taken. Both samples are send in a mechanical lab for testing. The comparative analysis of mechanical properties of SUS304 and SS304 stainless steel is shown in

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42CrMo4 High Grade Molybdenum Alloy steel

April 17, 2018, 10:49 am
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What is 42CrMo4? This Grade is the special high steel grade which can be quenched and tempered. It offers a robust amalgamation of strength and toughness in the state of being quenched and tempered. Different European standards cover the specification of this steel in different forms and processing conditions. The steel can be subjected to induce hardening. This steel grade is usually available in a mix of microstructure i.e. martensite and austenite. The special grade of this steel is subjected to M-treatment to offer good machinability properties. What is EN 10083? EN10083 is a European standard developed in the year

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Sulphur Chemical Symbol “S” Atomic Number 16

April 20, 2018, 9:33 am
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Sulfur belongs to the chemical elements belonging to group 16 i.e. chalogens family. Oxygen, tellurium, selenium, and polonium are other members of Group 16. This Group 16 is also known as Group VIA of the periodic table. The periodic table is an ordered arrangement of chemical elements in groups and periods to better understand their behaviors in the form of groups. Physical Properties of Sulfur: It behaves differently in different solvents for example it is insoluble in water but soluble in Carbon disulfide. Sulfur actually looks like pale yellow; physically it is a brittle solid. Moreover Sulphur has no smell.

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P265GH Steel – Heat Resistant & Non-Alloy

April 22, 2018, 11:33 am
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What is P265GH? Grade P265GH is the Heat Resistant Pressure Vessel Steels defined in the EN 10028 system. It is a non-alloy steel. The material is designed for high temperature applications. Therefore it is mostly utilized in high temperature applications in the oil and gas sector, chemical processing industries and petrochemical sectors. It is a main fabricating material of boilers and pressurized vessels. It is normalized by keeping it against a temperature of 890 to 950°C without holding; the heating is passed on through the thickness of the plate. What is EN 10028? P265GH is identified in the standard EN

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1.0038 Grade – Quality Structural Steel (Non-Alloy)

April 29, 2018, 7:24 am
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What is 1.0038? Numeric Grade designation 1.0038 is the number given to quality structural steel. It is a non-alloy steel in the European standard.  The structural steel defined in the EN 10025 standard. The steel is used primarily for forming into different wrought products. The subject steel is referred to have low tensile strength on the other hand having a high ductility. The mechanical properties; low tensile and high ductility is relative to other wrought material grades available in the market. What is EN 10025? 1.0038 is identified in the standard EN 10025. It is a European material standard for

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Carbon Chemical Symbol “C” Atomic Number 06

May 1, 2018, 4:31 am
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Carbon is one of the most important existing chemical in the world. It is a foundation for many chemical compounds, mixtures and steel and metallic alloys. The position of carbon in the periodic table is at group 14 or simply as IV-A. Carbon is the 6th important element in the periodic table. It is located amid boron i.e. “B” and nitrogen i.e. “N”. Carbon is found to be a very stable element. Since it is stable, it is occurred both on its own and in different naturally available compounds. Scientists name the basic 3 states of carbon and calls these

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Silicon Chemical Symbol “Si” Atomic Number 14

May 1, 2018, 5:46 am
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Silicon is one of the most important element on the earth. The position of silicon is Group 14 of the periodic table or group 4A.  It is one of the important element for semi-conductors, one of the most important element in metallurgy and one of the important element in chemistry. Silicon is a fundamental building block for electronics because silicon is the basic component of a semi-conductors. Occurrence:  The purified silicon is very much reactive in the nature , but it is usually seen in all rocks despite of this it is found in clays, soils and sand either combined

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P235GH Steel – High Temperature & Pressure Application

May 1, 2018, 9:27 am
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What is P235GH? Grade P235GH is also a heat resistant pressure vessel steel defined in the EN 10028 system. It is similar to P265GH but with lower content of Carbon and on the other hand with higher content of Manganese. P235GH steel has lower yield and tensile strength compared with P265GH. It is also a non-alloy steel. The material is also designed for high temperature applications. This material is said to have good cold working as well as hot working characteristics. Therefore it is utilized in pipes transporting hot liquids. It is also a key consumable material for boilers and

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Manganese Chemical Symbol “Mn” Atomic Number 25

May 8, 2018, 10:46 am
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Manganese is the 5th most occurring metal in the Earth’s crust. Its minerals are extensively widespread, with manganese dioxide i.e. pyrolusite and  manganese carbonate i.e. rhodochrosite. The  pyrolusite  and rhodochrosite are the most common minerals. Manganese belongs to the group 7B and period 4 of the periodic table. Occurrence:  Manganese exists in nature, it is usually free but as a pure element it never occurs. It is always in combination with oxygen and other elements, Rhodochrosite Manganite, Psilomelane and pyrolusite are the common ores. Manganese ores production is famous in China, Brazil, Australia and South Africa. It also occurs in the ocean

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Stainless Steel 304 Vs 316

May 13, 2018, 4:56 am
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SS304 and SS316 are one of the important stainless steel austenite material grades which are defined in American standards.  When you compare Stainless Steel 304 Vs 316, experts conclude 316 stainless steel has almost the same chemical composition as that of 304 stainless steels.  SS316 has only difference in molybdenum content which enables it corrosion protective in saline environments. The metallic samples of both SS304 and SS316 (both are 50 mm thick) are being tested in chemical lab and mechanical labs on different testing equipment. The chemical test is done to identify the chemical composition of steel whereas the mechanical

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Nitrogen Chemical Symbol “N” Atomic Number 7

May 29, 2018, 11:11 am
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In group 15 of the periodic table or simply as Group 7A, Nitrogen is known as the lightest element i.e. “Pnictogens”. In universe it is very common and it is seventh most existing component in the solar system and Milky Way. Occurrence: Nitrogen gas is available in the environmental air by 78% volume of dry air. When two atoms of nitrogen combine they are called dinitrogen or simply as nitrogen gas. This gas is an odorless colorless gas containing two atoms. Nitrogen is found in all organisms even in the DNA and RNA i.e. nucleic acids. Our body also have approximately

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Calcium Chemical Symbol “Ca” Atomic Number 20

May 29, 2018, 11:42 am
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Calcium belongs to the chemical elements belonging to Group 2A i.e. Alkaline Earth Metals. Strontium, Beryllium, Magnesium and Radium are other members of group II of the periodic table. The periodic table is an ordered arrangement of chemical elements in groups and periods to better understand their behavior in the form of groups. Occurrence of Calcium: Calcium never occurs as a free element in the nature but it is found in the earth’s crust as sulfate, carbonate, silicate, fluoride and borate. The most common of all i.e. calcium carbonate is usually found in chalk, marble, and so on. Calcium mainly

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17-4 PH vs 316 Stainless Steel Grades

June 2, 2018, 4:37 pm
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SS316 and 17-4 PH are one of the most important stainless steel grades. 316 and 17-4 PH are austenite and precipitation hardening material grades respectively which are defined in American standards.  When you compare Stainless Steel 17-4 ph vs 316, it is obvious that 17-4 PH has the higher hardening content.  Precipitation hardening grade is a combination of two stainless steel structures i.e. austenite and martensite.  Both the grades i.e. 17-4 ph vs 316 offer high corrosion resistance. The metallic samples of both 17-4 PH Vs 316 are being tested in chemical lab and mechanical labs on different testing equipment. The

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Lead Chemical Symbol Pb Atomic Number 82

June 3, 2018, 10:13 am
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Lead belongs to the group of chemical elements in the periodic table known as the Group 14 or 4A i.e. Carbon, Silicon, Germanium, Tin and flerovium are other members of group XIV of the periodic table. Occurrence of Lead: The existing of lead in the Solar System is approximately 0.121 parts/million. It is 2 ½ times more than platinum while 8 times more than mercury and 17 times more than gold itself. Nowadays amount of lead is increasing in the Universe due to decaying of elements into lead themselves. In earth the abundance of Lead is in the form of

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Sodium Chemical Symbol “Na” Atomic Number 11

June 3, 2018, 10:30 am
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Sodium belongs to the chemical elements belonging to group 1 i.e. alkali metals. Lithium, rubidium, cesium, francium, potassium are other members of group I of the periodic table. Occurrence of Sodium:  About 2.27% of sodium is present in the earth’s crust. Sodium is the seventh most existing element on the earth while fifth most known metal after aluminum, calcium, iron and magnesium. In the ocean 1.08×104 milligrams/liter. Sodium has never been found as a pure element because of its high reacting power. In many soluble minerals sodium is also present like natron and halite while in less soluble minerals like zeolite

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Potassium Chemical Symbol “K” Atomic Number 19

June 6, 2018, 11:06 am
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Potassium is one of the important chemical elements in group 1A i.e. alkali metals of the periodic table. Cesium, lithium, sodium, rubidium, francium are other members of group IA of the periodic table. It has atomic number 19 and shown by chemical symbol “K”. Occurrence of Potassium:  Potassium was first found from the potash i.e. ashes of plants. It is an alkali metal and has many similarities with another alkali metal i.e. Sodium. Naturally potassium occurs in ionic salts. Potassium is also the eighth most known element on the earth. It is highly reactive in nature and is not a

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Cobalt Chemical Symbol “Co” Atomic Number 27

June 6, 2018, 11:26 am
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Cobalt belongs to the chemical elements belonging to group 9 i.e. transition elements. Rhodium, iridium and mietnerium are other members of group IX of the periodic table. Occurrence of Cobalt:  In the earth’s crust cobalt is usually found in chemically combined state. It is a free element that is produced through reductive smelting. Cobalt’s stable state is formed in supernovas while due to oxygen and chlorine free cobalt is not found on the earth. They both prevent the formation of free cobalt. All the amounts of cobalt can also be found in many animals, plants, soils and rocks. In the

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Chromium Chemical Symbol “Cr’’ Atomic Number 24

June 9, 2018, 5:40 am
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Chromium belongs to the chemical elements belonging to group 6 i.e. transition metals. Molybdenum, Seaborgium, Tungsten are other members of group VI of the periodic table. The periodic table is known because of its arrangement of groups and periods. It also helps in discriminating elements with each other. Occurrence of Chromium: In the earth’s crust chromium is known to be 22 most existing element. The compounds of chromium are in the environmental form by the erosion of rocks that contain chromium. The mine of chromium is known as Chromite ore i.e. FeCr2O4. Demographics – Approximately two fifths of the chromite

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