Forging round 30HGSA

Steel 30khgsa - the characteristic, the Steel 30khgsa properties belongs to the class of the alloyed structural steel. It has been created for needs of aircraft, but thanks to excellent characteristics has quickly passed into discharge of popular materials in mechanical engineering. Quite often steel 30khgsa is called "хромансиль". An alloy has received this name thanking contained in it to doping elements (chrome, manganese and silicon) which Latin names in reduction and have made the word "hromansil". Analogs hromansilya are steel of brands 40HFA, 35XM, 40XH, 25HGSA and 35HGSA. Marking of steel 30khgsa includes the number which is on the first place and showing the carbon content percent expressed in the 100-th shares. In this case it makes 3%, that is meets standard for a class medium-alloy staly (to 2,5% - low-alloyed, from 2,5 to 10% - medium-alloy, from 10% - high-alloy). Letters of "X", "" and "With" indicate the content in steel of doping elements – chrome, manganese and silicon. As after alphabetic references of doping elements there are no numbers, their percentage approximately equally in 1% means. The letter "And" on the end of marking shows that steel 30khgsa belongs to the category high-quality staly. Chemical composition of steel 30khgsa looks so: from 0,28 to 0,34% of carbon, from 0,9 to 1,2% of silicon, from 0,8 to 1,1% of manganese, no more than 0,3% of nickel, no more than 0,025% are gray, less than 0,025% of phosphorus, from 0,8 to 1,1% of chrome and less than 0,3% of copper. Chrome gives to steel 30khgsa durability and does it steady at corrosion. Manganese increases resistance to shock loads, in addition strengthening alloy durability, and also promotes wear resistance of steel 30khgsa. Addition of silicon is necessary for increase in an indicator of impact strength. Alloy steel 30khgsa belongs to discharge improved, that is is exposed to procedure of tempering at a temperature from 550 to 660 °C. It allows to create not only high-strength aviation, but also necessary parts in mechanical engineering. For example, axes, shaft, flanges, blades of compressor machines, different welded designs, mounting parts, levers and many other things. The range of steel 30khgsa is made: - high-quality and structural shape (State standard specifications 4543-71, 259071, 2591-71, 2879-69 and 10702-78); - the calibrated bar (State standard specifications 7417-75, 8559-75, 8560-78, 10702-78 and 1051-73); - polished bar and silver steel (State standard specification 14955-77); - thick sheet (State standard specification 11269-76); - thin sheet (State standard specification 11268-76); - strip (State standard specification 103-76); - forgings and shod preparations (State standard specifications 1133-71 and 8479-70); - pipe products (State standard specifications 8731-87, 8732-78, 8733-87, 8734-75, 21729-76, 13663-68 and 9567-75). At high strength (after tempering strength can make up to 2800 MPas), wear resistance and excellent indicators of impact strength steel 30khgsa has rather small cost that use of not scarce doping elements speaks. Steel 30khgsa durability after tempering is caused by release of carbon from austenite at deformation thanks to what mobility of dislocations in martensite crystals is facilitated. As a result steel 30khgsa becomes more flexible. Steel 30khgsa possesses good bondability. But when welding it is necessary to pay attention to some features of this alloy. Before work it is necessary to heat steel to 250-300 °C, and after welding to make gradual cooling, slowly Taking away a torch and warming up at the same time the area around a welding seam, approximately equal 30 mm. At sharp cooling emergence of cracks is possible. Having addressed to the BVB-Alyans company, you will be able to buy at low prices high-quality steel 30khgsa in different types (circles, sheets, strips, etc.) . On all questions interesting you it is possible to address online consultants. Buy the Forging round 30HGSA 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 30HGSA 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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