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Forging round 50HFA – BVB Alyans, TOO | all.biz
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Forging round 50HFA

Forging round 50HFA

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58729.96 CNY
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Kazakhstan, Astana
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8 years on Allbiz
Technical characteristics
  • BrandСМЗ
  • Country of manufactureRussia
Description
Constructional spring spring steel 50HFA. Spring spring steel 50HFA is made according to GOST 14959-79. State standard specification 14959-79 — the standard extends to a hot and shod bar diameter or up to 250 mm thick, and also the rolling calibrated and with special finishing of a surface, intended for production of the springs, springs and other machine components and mechanisms applied in the tempered and released state. Range of spring spring steel 50HFA: The circle the hot-rolled GOST 2590-88 Square the hot-rolled GOST 2591-88 Circle and a square shod GOST 1133-71 Hexagon the hot-rolled hot-rolled GOST 2879-88 Strip of GOST - 103-76 Strip shod the GOST 14955-77 Quality and a type of supply of steel 50HFA corresponds to the GOST 4405-75 Circle the Calibrated GOST 7417-75 Square the Calibrated GOST 8559-75 Hexagon the Calibrated GOST 8560-78 Circle with special finishing of a surface: Bar, including shaped: GOST 14959-79, GOST 2590-71, GOST 2591-71, state standard specification 2879-69, state standard specification 7419.0-78 - state standard specification 7419.8-78. The calibrated bar of GOST 7417-75, GOST 8559-75, GOST 8560-78. A polished bar and state standard specification 14955-77, GOST 7419.0-78 silver steel - GOST 7419.8-78. Tape state standard specification 2283-79. Strip of GOST 103-76, GOST 4405-75. Forgings and shod preparations of GOST 1133-71, GOST 8479-70. In the chemical composition steel 50HFA contains chemical elements in %: Carbon (C) 0,46 - 0,54; Vanadium (V) 0.10-0.20; Silicon (Si) 0.17-0.37; Copper (Cu), no more than 0.20; Manganese (Mn) 0.50-0.80; Nickel (Ni), no more than 0.25; Phosphorus (P), no more than 0.025; Chrome (Cr) 0.80-1.10; Sulfur (S), no more than 0.025. Spring spring steel 50HFA should provide the high resistance to small plastic strains and relaxation firmness. The springs made of such steel differ in the accuracy and reliability of work. If from a spring of steel 50HFA production of a wire and tape is meant, then it is in addition strengthened cold plastic strain and martempering with the subsequent issue. Physical, technology and mechanical properties of steel 50HFA: Specific weight: 7800 kg/m3 Heat treatment: Tempering and issue Hardness of material: HB 10-1 = 262 - 311 MPas Forging temperature, °C: beginnings 1180, end 800. Sections to 50 mm are cooled on air, 51-180 in wells. Temperature of critical points: Ac1 = 752, Ac3(Acm) = 788, Ar3(Arcm) = 746, Ar1 = 688, Mn = 300 Workability cutting: in a hot-rolled state at HB 269, σв =900 MPas, To υ TV. spl =0,70 and Kυ B. St =0,35 Bondability of material: it is not applied to welded designs. Flokenochuvstvitelnost: it is not sensitive. Tendency to temper brittleness: malosklonna. Steel 50HFA is suitable for production of springs, springs, torsions, flexible membranes, sylphons, etc. Steel 50HFA as well in automobile production for production of automobile springs and springs is used. Use of steel 50HFA in the industry: heavy-duty strength members to which requirements of high fatigue resistance, springs working at a temperature up to 300 °C and other parts are imposed. Buy the Forging round 50HFA legko:1. You send zayavku2. We expose to you schet3. You pay convenient for you sposobom4. You receive the goods the Most important that you need to know about the BVB-alliance company. • Deliverable metal rolling constantly is available, and is stored "about 2000 tons" in a warehouse. • Own production of a professional flooring. • We offer a payment delay "about one month". • We do everything possible for minimization of terms of processing and delivery. • We carry out metal cutting in the size and according to your drawings. • We provide service of safe custody in the covered warehouse. • We offer the loyalty program allowing to receive discounts for purchase, processing or delivery of metal rolling. Advantages of work with nami:1. Goods available on sklade2. Official garantiya3. High quality tovarov4. Operational dostavka5. The program round 50HFA you can specify the loyalnostiaktualny price on the Forging at our manager. The final price of products forms, proceeding from terms of delivery: quantity, terms of payment and place of shipment. Ask the manager. This price list has exclusively information character and under no circumstances is not the public offer determined by provisions of the p. 2 of Art. 437 of the Civil code of the Russian Federation.

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