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CV. Dua Putra Petir

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      • Harmonica Wire
      • Galvanized Wire
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Iron Steel

Iron is a chemical element with the symbol Fe (from Latin: ferrum) and atomic number 26. It is a metal in the first transition series. [3] This is the most common element on earth based on mass, forming most parts of the inner and outer cores. Iron is the fourth largest element in the earth's crust. Its abundance in rocky planets like the earth is due to the abundance of production due to fusion reactions in large mass stars, where nickel-56 production (which decays into the most common iron isotope) is the last nuclear exothermic fusion reaction. As a result, radioactive nickel is the last element produced before the collapse of supernovae. The collapse scattered iron radionuclide precursors into space.
Like other Group 8 elements, iron is in the wide oxidation range, −2 to +6, although +2 and +3 are the most numerous. Iron elements are found in meteorites and other low-oxygen environments, but are reactive with oxygen and water. The fresh iron surface looks silvery gray, but oxidized in normal air produces iron oxide hydrate, known as rust. Unlike other metals that form the passive oxide layer, iron oxide occupies more space than the metal itself and then peels off, exposing the fresh surface to corrosion.
Iron metal has been used since ancient times, although copper alloys, which have lower melting points, were used earlier in human history. Pure iron is relatively soft, but cannot be obtained through smelting. This material hardens and is significantly strengthened by dirt, especially carbon, from the smelting process. With a certain proportion of carbon (between 0.002% and 2.1%) it produces steel, which is harder than pure iron, maybe up to 1000 times. Raw iron metal is produced in high kilns, where ore is reduced by coal to pig iron, which has a high carbon content. Further processing with oxygen reduces the carbon content so that it reaches the right proportion for steel making. Low-carbon steel and iron alloys along with other metals (alloy steel) are by far the most common metals used by industry, because of the wide range of properties obtained and the abundance of iron-containing rocks.
Iron chemical compounds have many benefits. Iron oxide mixed with aluminum powder can be lighted to make a thermite reaction, which is used in the welding and refining of ore. Iron forms binary compounds with halogen and calcogen. The organometallic compounds include ferocene, the first sandwich compound found.
Iron plays an important role in biology, forming complexes with molecular oxygen in hemoglobin and myoglobin; both of these compounds are oxygen carrying proteins in vertebrates. Iron is also a metal in the active part of most redox enzymes that play a role in cellular respiration as well as oxidation and reduction in plants and animals.
 

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    CV. Dua Putra Petir

    Iron Supplier and Distributors In Surabaya With Regards, With Pleasure, We Will Introduce Our Company, Cv.Dua Putra Petir Company Engaged In The Business Of Trading Of Iron And Steel, Engineering Tools And Construction Materials Etc. Here Are The Products We Market Are:... Iron, Steel And Stainless Steel, Brass, Copper, Aluminium Composite Panel Etc. • Iron And Plain Concrete Screw, Black Plate, Hardox Plate, Semi Hardock Plate, Ship Plate, Plate Streep, Plate Hole, Landing Plates, Elbow, Wf, H-Beam, Gas Pipe ( Black) , Plumbing ( Galvanized) , Fire-Tubes, Pipe Boxes, Oval Pipes , Tetsura Stainless Steel Pipes, Spiral Pipes, Unp, Cnp, Inp, Elbows, Hollow, Stalbus, Railroads, Assental, Nako, Barbed Wire, Smooth Wire, Wire Gabions, Brc Fence, Expanded Metal, Wiremesh, Power Pole, Phone Pole , Lampposts, ( Of Various Brands And Sizes) Aluminium Composite Panel ( Acp ) Merk Alustar, Sevem, Alucobon Etc . Consultant Contractor, Fabrication And Erektion Etc. If You Are Interested In Our Products, Then Please Do Not Hesitate To Contact Us At Phone Number 031-8800026-27, 031-7406677, 082133555559, Or Fax: 031-7417127, And Hopefully This Introduction Could Create A Mutually Beneficial Relationship In The Future. For Your Attention And Cooperation We Say Thank You. Regards Herry Gusmara, S.Sos Director Dua Putra Petir, Cv " One Stop Shopping Building Material, Steel, Technic " Your Steel Partner Cv.Dua Putra Petir , Committed To Provide The Best Service And Strive For Customer Satisfaction Steel Is Our Deal We Are Looking Forward With Your Cooperation In The Future. Dua Putra Petir, Cv Engaged In The Iron Supplier Will Meet The Needs Of Contractors And Industry In The Country And Abroad. Mekami Njual: Concrete Iron, Plate, Elbow, Besiunp, Iron Wf, Nails, Bendrat, Plate At Competitive Prices, Cheaper Price, Factory Price And Good Quality, For The Needs Of Roads, Buildings, Factories, And Housing Concrete Iron Iso Certificate Deformed Bar Ts35-Ts40 And The Plain Tp24 Brands That We Provide, Iksji, Iks, Iksty, Officers With Full Tolerance To 0.2 - 0.3 Mm We Also Provide Iron Bjku Sni Brands That We Provide Include Ksls, Ksas, Kssk, Ksys, Ksi, Ksjk, Kssc Etc. Table Iron Sni: Iron 8 @ 12 Mtr = 4, 74Kg / Btng Iron 10 @ 12 Mtr = 7, 40Kg / Btng Iron 12 @ 12 Mtr = 10, 70Kg / Btng Iron 13 @ 12 Mtr = 12, 50Kg / Btng Iron 16 @ 12 Mtr = 19, 00Kg / Btng Iron 19 @ 12 Mtr = 26, 80Kg / Btng Iron 22 @ 12 Mtr = 35, 81Kg / Btng Iron 25 @ 12 Mtr = 46, 24Kg / Btng Brand Nails What We Provide Officers Packaging 30Kg / Carton Garuda Packaging 30Kg / Carton Number 1 Packaging 30Kg / Carton Pas 30 Packaging 30Kg / Carton Package Purchase Nails Nails Series 10-To-1 If You Are Interested, And Want To Know More About The Products We Offer, Gladly

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      • Bukit Palma Blok C5 No.33 Citraland Utara Surabaya barat, Surabaya 60197
        Jawa Timur , Indonesia
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