Parameter | Paub meej | Parameter | Paub meej |
---|---|---|---|
Qauv NO. | 70cr 30 | Yam ntxwv | Siab Resistant, Zoo Oxidation Resistance |
Melting Point | 1400 ℃ | Qhov ntom | 8.1 g / cm³ |
Hluav taws xob Resistivity | 1.18 Ohm² / M | Elongation | ≥20% |
Hardness | 180 hwv | Max ua haujlwm kub | 1250 ℃ |
Ntau yam ntawm daim ntawv thov | Resistor, rhaub | Thauj Pob | Ntoo Case |
Specification | Tau customize | Cov cim lag luam | Tankii |
Keeb kwm | Tuam Tshoj | HS Code | 75062000 ib |
Muaj Peev Xwm Ntau Lawm | 100 Tons / hli |
Qauv NO. | x30h 780 | Keeb kwm | Tuam Tshoj |
Cov cim lag luam | Ni70Cr30 | HS Code | 75062000 ib |
Thauj Pob | Spool, Carton, Ntoo Case | Cov cim lag luam | Tankii |
Chemical Composition thiab Propertes: | ||||||
Propertes / Qib | NiCr 80/20 | NCV 70/30 | NCV 60/15 | NiCr 35/20 | NiCr 30/20 | |
Main tshuaj Kev sib xyaw (%) | Ni | Bal. | Bal. | 55.0-61.0 Nws | 34.0-37.0 Nws | 30.0-34.0 Nws |
Cr | 20.0-23.0 Nws | 28.0-31.0 Nws | 15.0-18.0 Nws | 18.0-21.0 Nws | 18.0-21.0 Nws | |
Fe | ≤ 1.0 | ≤ 1.0 | Bal. | Bal. | Bal. | |
Max ua haujlwm Qhov kub thiab txias (ºC) | 1200 | 1250 | 1150 | 1100 | 1100 | |
Resistant ntawm 20ºC (μΩ · m) | 1.09 Nws | 1.18 | 1.12 | 1.04 ib | 1.04 ib | |
Qhov ceev (g / cm3) | 8.4 ib | 8.1 | 8.2 | 7.9 ib | 7.9 ib | |
Thermal conductivity (KJ/m· h· ºC) | 60.3 | 45.2 ib | 45.2 ib | 43.8 ib | 43.8 ib | |
Coefficient ntawm Thermal Expansion (α × 10-6 / ºC) | 18 | 17 | 17 | 19 | 19 | |
Melting Point (ºC) | 1400 | 1380 | 1390 ib | 1390 ib | 1390 ib | |
Elongation (%) | > 20 | > 20 | > 20 | > 20 | > 20 | |
Micrographic Qauv | austenite | austenite | austenite | austenite | austenite | |
Magnetic Property | nonmagnetic | nonmagnetic | nonmagnetic | nonmagnetic | nonmagnetic |
Paub meej
Tshuaj muaj pes tsawg leeg | Nickel 70%, Chrome 30% |
resistivity: | 1.18 ohm mm2 / m |
Hardness: | Mos, nyuaj los yog semi-hard |
Qhov zoo | Lub metallurgical qauv ntawm nichrome confers lawv ib tug zoo heev plasticity thaum txias. |
Yam ntxwv | Kev ua haujlwm ruaj khov; Anti-oxidation; Corrosion tsis kam; Kub kub stability; Zoo heev coil-forming peev xwm; Uniform thiab zoo nkauj saum npoo yam tsis muaj pob. |
Kev siv | Resistance cua sov ntsiab; Khoom siv hauv metallurgy; Khoom siv hauv tsev; Kev tsim khoom siv tshuab thiab lwm yam lag luam. |