06ХН28МДТ- 1.4539 - aisi 904L pipe
International Equivalent
| Mark | Analogue | W. Nr. | Aisi Uns | En | Order |
|---|---|---|---|---|---|
| 06HN28MDT | EI943 | 1.4539 | 904L | X3NiCrCuMoTi27-23 | Delivery from the stock, in stock |
| 06HN28MDT | 926 | 1.4529 | N08926 | X1NiCrMoCuN25-20-7 | Delivery from the stock, in stock |
| 06HN28MDT | 926 | 1.4529 | 904L | X1NiCrMoCuN25-20-7 | Delivery from the stock, in stock |
Characteristics
Grade 06ХН28МДТ Refers to the category of corrosion-resistant, stainless, ordinary, heat-resistant heat-resistant steel of austenitic class on iron-nickel base. melted in electric arc furnaces. There is also another designation of alloy EI943. A substitute may be alloy 03XHN28MDT. Grade 06KhN28MDT is used for parts of pipeline fittings and gas turbine engines. It has high resistance to fracture under low-cycle and thermal fatigue. Failure hazards may be exacerbated by surface reactions associated with grain boundary loosening, gas corrosion. Plasticity, heat resistance, resistance to dynamic and thermal loads, resistance to gas corrosion determine a wide range of applications of this alloy.
Chemical composition (GOST 18 143−72)
| Cr | Ni | Mn | Si | Cu | Mo | С | Ti | P | S | Fe |
|---|---|---|---|---|---|---|---|---|---|---|
| 22−25 | 26−29 | up to 0.8 | up to 0.8 | 2,5−3,5 | 2,5−3 | up to 0.06 | 0,5−0,9 | up to 0.035 | up to 0.02 | 36,885−46,5 |
Main properties of the alloy
- Specific gravity 7.96 g/cm³.
- Thermal conductivity at t ° 20 ° C = 13.4 * W / (m — K).
- The specific resistance of the alloy at 20 ° C = 0.75 Ohm-mm2/m.
- The hardness is 200 NV MPa in the minus first degree.
- The magnetic permeability of the alloy in the field of 500 E and at 20 °C = 1.255 microTesla per meter.
Technological qualities
The alloy is produced: pipes, rounds, wires, sheets, tapes of 06ХН28МДТ grade. Forging, stamping, rolling are made in the temperature range from 1170 ° C to 900 ° C. The alloy is easy to cut. It is welded by manual, and automatic welding using flux under gas protection. During manual arc welding is recommended electrodes OZL-17U or OZL-37−2 and wire rod Sv-OZKHN25MDGB or Sv-03KHN25MDG. The same filler material is recommended for argon-arc welding. It is better to use AN-18 brand as a flux.
| t° | E 10- 5 | a 10 6 | Heat capacity | Density |
|---|---|---|---|---|
| Grad | MPa | 1/Grad | W/(mhgrad) | g/cm3 |
| 20 | 13 | 7,96 | ||
| 200 | 1.86 | 12.9 | 15 | |
| 400 | 1.71 | 14.4 | 7,78 | |
| 600 | 1.56 | 15.3 | 24 | |
| 800 | 1.45 | 16.3 | 26 | 7,59 |
Application
Fragments of welded chemical equipment: reactors, pipelines working in aggressive solutions of hot 55% sulfuric acid, extraction phosphoric acid, acetic acid. Alloy is used for casting parts of mining and metallurgical equipment, tanks for synthesis of mineral fertilizers. It is used as a cladding layer for rolling of corrosion-resistant sheets, centrifugally cast tubes, for coils of tube furnaces and units for synthesis of ethylene, ammonia, hydrogen and carbon disulfide. Welding wire and welding electrodes SV-06ХН28МДТ are required for connection of pipelines, repair of welding equipment operating in radioactive environment. Alloy has proved itself perfectly at t ° 760 ° C — 1060 ° C and pressure up to 3.9 MPa (40 atm), From the alloy produce exclusive tableware used in design. The high-tech style is firmly in the lead today, thanks to modern alloys which are widely used in decorative applications.
Supply
All presented products of 06XHN28MDT grade are certified. The technical documentation includes data on the chemical composition, the limiting percentage of impurities; mechanical properties of products. From us you can buy in bulk any semi-finished products for large-scale productions. We also offer optimum conditions for retail buyers. The high level of service and responsiveness of service is the face of our company.
Buy at the best price
Evek GmbH has an unlimited assortment of iron-nickel alloys of the highest quality. We offer special alloys at the best price. If you are interested in our offer please contact your nearest office. Qualified specialists will provide all necessary information regarding products, price range, sales conditions. The cost of goods depends on the parameters of products and additional terms of delivery.