N70MFV-VI, ЭП814А-VI round, wire, tube, sheet, strip
The basis of the material N70MFV-VI is a Nickel, in this regard, such materials (also known as ЭП814А-VI) acquires the whole complex of useful properties, which are widely applied in many areas of modern production. The working quality of the alloy is fully determined by its chemical composition, both qualitative and quantitative terms. Additional alloying components such as molybdenum, titanium, vanadium, tungsten and some other increase the heat resistance and other useful properties of the Nickel material.
composition
| carbon | chrome | iron | manganese | molybdenum | Nickel | phosphorus | sulfur | silicon | Titan | vanadium | tungsten |
| >0,02 | >0.3 mm | >0,5 | >0,5 | 25−27 | basis | >0,025 | >0,02 | >0,1 | >0,15 | 1,4−1,7 | 0,1−0,45 |
The parameters of the main mechanical properties
| The name of the prefabricated | Regulatory documentation | Designation characteristics | ||
σ in (N/mm 2) |
σ t (N/mm 2) |
δ (%) | ||
| Rod | THAT 14−1-2260−77 | 688 | 294 | 25 |
| Hot rolled sheet | 784 | 363 | 40 | |
| Tape | THAT 14−1-2230−87 | 833 | 392 | 40 |
| Welded tubes | THAT 14−3-1227−83 | 780 | 340 | 35 |
| Hardness (HB) | For hot rolled sheet products such parameter is 220 unit | |||
The dependence of the mechanical properties from the operating temperature of the material
| For sheets of thickness 10 mm, quenched in water at a temperature of 1070 degree Celsius | |||||
t Spanish. (ºC) |
σ t (N/mm 2) |
σ in (N/mm 2) |
δ5 (%) |
Ψ (%) |
KCU (J/cm2) |
| 20 | 450−500 | 930−980 | 5−66 | 55−65 | 200−240 |
| 500 | 450−500 | 930−980 | 45−50 | 56−65 | 200−240 |
| 600 | 300−380 | 500−700 | 20−35 | 30−38 | 150−230 |
| 700 | 400−420 | 500−580 | 10−20 | 10−30 | 180−210 |
| 800 | 300−350 | 500−520 | 20−28 | 25−35 | 160−180 |
| 900 | 300 | 300−350 | 40−60 | 35−50 | 140−160 |
| 1000 | 150−200 | 200 | 60−90 | 40−60 | 120 |
| 1100 | 80 | 100 | 42 | 55 | 110 |
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