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KHN28VMAB - эп126 sheet, round, wire

KHN28VMAB - эп126 sheet, round, wire

Composition

Alloy ХН28ВМАБ ЭП126 — heat-resistant high-alloyed chromium-nickel steel, which contains nickel 25−30% and chromium up to 22%. As additives to the charge add silicon — not more than 0.6%, phosphorus — up to 0.02%, manganese — 1.5%, tungsten — 6.5 — 7.5%, molybdenum — about 2.8 — 3, 5% and sulfur — 0.02%.

Chemical composition according to GOST 5632−72

Ni Cr Si C Mn Fe Mo Nb W N B P S
25−30 19−22 ≤0,6 ≤0,1 ≤1,5 34.7−46.6 2.8−3.5 0.7−1.3 6−7.5 0.15−0.3 0.005 ≤0,02 ≤0,02

Production

The temperature of the semi-finished products is 1170 ° C at the beginning, and about 850 ° C at the end. Finished products with a cross section up to 350 mm are cooled in air. Steel pipes of the brand KhN28VMAB mainly produce a round section, and under the order — with oval, rectangular and square. Pipes ХН28ВМАБ are classified by diameter and thickness of the wall. With a diameter of 5−250 mm and a wall thickness of 0.3−6 mm, the pipes are called special. Thin-walled have a diameter of 5−250 mm and a wall thickness of 0.6−20 mm. Thick-walled pipes have Ø from 6 to 250 mm, wall thicknesses of 1.6 to 24 mm. Very thick-walled pipes are made Ø from 6 to 70 mm, wall thickness from 2 to 12 mm.

Supplies

Rolling, having a diameter of less than 9 mm, is realized in coils, and above 9 mm it is delivered by straight segments, which after dividing into non-dimensional, dimensional, and also multiple dimensional segments. High-alloy high-quality steel ХН28ВМАБ allows to produce products of any dimension

Using

Pipes brand KhN28VMAB used in high-pressure systems. Such pipes are often used in the nuclear and chemical industries, in various furnaces and boilers, in furnace conveyor production at temperatures of about 750 — 850 ° C, in the manufacture of boxes for carburizing. The class of pipes allows them to be used in machine building, the production of bearings, separators and other rolling elements.

Buy at a bargain price

When choosing high-temperature alloys, a number of factors should be taken into account. In the company «Avek Global» there is a wide choice of heat-resistant metal rolls to order. At us you can buy products from alloy ХН28ВМАБ on the most favorable conditions. The price is due to technological features of production without the inclusion of additional costs. Our specialists are always ready to help you when choosing the right products, on which depends the efficiency and reliability of the future equipment. We guarantee the high quality of our products and timely delivery. The company’s website displays all the information about the products. Wholesale buyers receive preferential discounts.