Txais tos rau peb lub vev xaib!
cr20ni30 hluav taws xob tiv thaiv hlau rau hluav taws xob qhov cub caij nplooj ntoos hlav cua sov coil
cua sov cr20ni30 hluav taws xob tiv thaiv hlau rau hluav taws xob qhov cub
Main Khoom ntawm cua sov kuj hlau
| Hom | Cr20 Ni80 | Nc15Ni60 | Cr30Ni70 | Cr20Ni35 | Cr20Ni30 | |
| Main tshuaj muaj pes tsawg leeg | Ni | So | 55.0 ~ 61.0 | So | 34.0-37.0 Nws | 30.0-34.0 Nws |
| Cr | 20.0-23.0 Nws | 15.0-18.0 Nws | 28.0-31.0 Nws | 18.0-21.0 Nws | 18.0-21.0 Nws | |
| Fe | ≤1 | So | ≤1 | So | So | |
| Qhov kub thiab txias (℃) | 1200 | 1150 | 1250 | 1100 | 1100 | |
| Resistance Temperature kho coefficient.(CT) | 1.09 ± 0.05 | 1.11 ± 0.05 | 1.18 ± 0.05 | 1.04 ± 0.05 | 1.06 ± 0.05 | |
| Melting point (℃) | 1400 | 1390 ib | 1380 | 1390 ib | 1390 ib | |
| Resistivity ρ 20 ℃ (10-6Ω m) | 800 ℃ | 1.008 Nws | 1.078 ib | 1.028 ib | 1.188 ib | 1.173 ib |
| 1000 ℃ | 1.014 ib | 1.095 ib | 1.033 ib | 1.219 ib | 1.201 Nws | |
| 1200 ℃ | 1.025 Nws | 1.043 ib | ||||
| Lub neej ceev ceev | Qhov ntsuas kub (℃) | 1175 ib | 1100 | 1200 | 1050 | 1050 |
| teev (h) | ≥110 | ≥100 | ≥110 | ≥100 | ≥100 | |
| Lub ntiajteb txawj nqus (g / cm3) | 8.4 | 8.2 | 8.1 | 7.9 ib | 7.9 ib | |
| Elongation (%) | ≥ 25 | ≥ 25 | ≥ 20 | ≥ 20 | ≥ 20 | |
| Thermal (kj / mh ℃) | 60.3 | 45.2 ib | 45.2 ib | 43.8 ib | 43.8 ib | |
| Cov cua kub tshwj xeeb (20 ℃) j / g. ℃ | 0.44 ib | 0.494 ib | 0.461 ib | 0.5 | 0.5 | |
| Ntxiv zog (20 ~ 1000 ℃) α * 10-6 ℃ | 18 | 17 | 17.1 | 19 | 19 | |
| Tensile zog (kg / mm2) | > 85 | > 85 | > 85 | > 85 | > 85 | |
| Rov qab khoov (F / R) | > 12 | > 12 | > 12 | > 12 | > 12 | |
| Microstructure | Austenitic | Austenitic | Austenitic | Austenitic | Austenitic | |
| Txoj kab uas hla (mm) | Kev kam rau siab (mm) | Txoj kab uas hla (mm) | Kev kam rau siab (mm) |
| 0.03-0.05 Nws | ± 0.005 | > 0.50-1.00 Nws | ± 0.02 hli |
| > 0.05-0.10 | ± 0.006 | > 1.00-3.00 Nws | ± 0.03 hli |
| > 0.10-0.20 | ± 0.008 | > 3.00-6.00 Nws | ± 0.04 hli |
| > 0.20-0.30 | ± 0.010 | > 6.00-8.00 Nws | ± 0.05 hli |
| > 0.30-0.50 | ± 0.015 | > 8.00-12.00 Nws | ± 0.4 |
| Thickness (hli) | Kev kam rau siab (mm) | Dav (mm) | Kev kam rau siab (mm) |
| 0.05-0.10 Nws | ± 0.010 | 5.00-10.00 Nws | ± 0.2 |
| > 0.10-0.20 | ± 0.015 | > 10.0-20.0 | ± 0.2 |
| > 0.20-0.50 | ± 0.020 | > 20.0-30.0 | ± 0.2 |
| > 0.50-1.00 Nws | ± 0.030 | > 30.0-50.0 | ± 0.3 |
| > 1.00-1.80 | ± 0.040 | > 50.0-90.0 | ± 0.3 |
| > 1.80-2.50 | ± 0.050 | > 90.0-120.0 | ± 0.5 hli |
| > 2.50-3.50 | ± 0.060 | > 120.0-250.0 | ± 0.6 |
Sau koj cov lus ntawm no thiab xa tuaj rau peb
Cov khoom qeb
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