Fecal qotishma elektr pechkasini isitish vositasi iliq isitish vositasi
1 Shakli: dumaloq sim, lenta (tekis sim), tasma yoki bar haqida ma'lumot
2 yuza: yorqin, kislota oq, oksidlanish
Ishlab chiqarishdan keyin 3 ta tegirmon guvohnomasi (MTC) taqdim etiladi
Tovarlarni etkazib berishda 4 ta yaxshi qadoqlash usullari etkazilmaydi
Qotishma nomenklaturasi | 1cr13al4 | 0cr21al6 | 0cr21al4 | 0cr21al6nb | 0cr27AL7MO2 | |||
Asosiy kimyoviy kompozitsiya | Cr | 12.0-15.0 | 23.0-26.0 | 19.0-22.0 | 20.5-23.5 | 18.0-21.0 | 21.0-03.0 | 26.5-27.8 |
Al | 4.0-6.0 | 4.5-6.5 | 5.0-7.0 | 4.2-5.3 | 3.0-4.2 | 5.0-7.0 | 6.0-7.0 | |
Re | qulay | qulay | qulay | qulay | qulay | qulay | qulay | |
Fe | Dam olish | Dam olish | Dam olish | Dam olish | Dam olish | Dam olish | Dam olish | |
Nb0.5 | Mo1.8-2.2 | |||||||
Maks. doimiy xizmat temsiyasi. elementdan (° C) | 950 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 | |
Qarshilik 20ºC da (m9 · m) | 1.25 | 1.42 | 1.42 | 1.35 | 1.23 | 1.45 | 1.53 | |
Zichlik (g / sm3) | 7.4 | 7.1 | 7.16 | 7.25 | 7.35 | 7.1 | 7.1 | |
Issiqlik o'tkazuvchanligi (KJ / m · @ºC) | 52,7 | 46.1 | 63.2 | 60.2 | 46.9 | 46.1 | - | |
Satrlarni kengaytirish koeffitsienti (a × 10-6 / ºC) | 15.4 | 16 | 14.7 | 15 | 13,5 | 16 | 16 | |
Eritish nuqtasi taxminan. (ºC) | 1450 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 | |
Keskinlik kuchi (n / mm2) | 580-680 | 630-780 | 630-780 | 630-780 | 600-700 | 650-800 | 680-830 | |
Yoriqda cho'zish (%) | > 16 | > 12 | > 12 | > 12 | > 12 | > 12 | > 10 | |
Maydonning o'zgarishi (%) | 65-75 | 60-75 | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 | |
Takrilik chastotasi (f / r) | > 5 | > 5 | > 5 | > 5 | > 5 | > 5 | > 5 | |
Qattiqlik (HB) | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | |
Doimiy xizmat vaqti (soat / ºC) | - | ≥80 / 1300 | ≥80 / 1300 | ≥80 / 1300 | ≥80 / 1250 | ≥50 1350 | ≥50 1350 | |
Mikrografik tuzilma | Ferrit | Ferrit | Ferrit | Ferrit | Ferrit | Ferrit | Ferrit | |
Magnit xususiyatlari | Magnit | Magnit | Magnit | Magnit | Magnit | Magnit | Magnit |