Ni70Cr30/Nickel chrome foil/Nickel chrome pauda/Nichrome uea
Pono/Papa | NiCr 80/20 | NiCr 70/30 | NiCr 60/15 | NiCr 35/20 | NiCr 30/20 | |
Hui Kemika Nui (%) | Ni | ʻO Bal. | ʻO Bal. | 55.0-61.0 | 34.0-37.0 | 30.0-34.0 |
Cr | 20.0-23.0 | 28.0-31.0 | 15.0-18.0 | 18.0-21.0 | 18.0-21.0 | |
Fe | ≤ 1.0 | ≤ 1.0 | ʻO Bal. | ʻO Bal. | ʻO Bal. | |
Ka Mahana Hana Loa (ºC) | 1200 | 1250 | 1150 | 1100 | 1100 | |
Kū'ē ma 20ºC (μ Ω · m) | 1.09 | 1.18 | 1.12 | 1.04 | 1.04 | |
Māmā (g/cm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
ʻO ka hoʻoili wela (KJ/m· h· ºC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
Coefficient o ka hoonui wela(α × 10-6/ºC) | 18 | 17 | 17 | 19 | 19 | |
Lae hehee(ºC) | 1400 | 1380 | 1390 | 1390 | 1390 | |
Elongation(%) | > 20 | > 20 | > 20 | > 20 | > 20 | |
Hoʻolālā Micrographic | austenite | austenite | austenite | austenite | austenite | |
Waiwai Magnetic | nonmagnetic | nonmagnetic | nonmagnetic | nonmagnetic | nonmagnetic |
Hōʻike huahana
Papa: Ni80Cr20, kapa ʻia ʻo MWS-650, NiCrA, Tophet A, HAI-NiCr 80, Chromel A, Alloy A, N8, Resistohm 80, Stablohm 650, Nichorme V, N etc.
Maʻiʻo Kemika(%)
C | P | S | Mn | Si | Cr | Ni | Al | Fe | 'ē aʻe |
Max | |||||||||
0.03 | 0.02 | 0.015 | 0.60 | 0.75~1.60 | 20.0~23.0 | ʻO Bal. | Max 0.50 | Max 1.0 | - |
ʻO nā pono mīkini o ka uea nichrome
ʻO ka wela o ka lawelawe mau loa: | 1200ºC |
20ºC ke kū'ē: | 1.09 ohm mm2/m |
ʻAiʻa: | 8.4 g/cm3 |
ʻO ka wela wela: | 60.3 KJ/m·h·ºC |
Coefficient o ka hoonui wela: | 18 α×10-6/ºC |
Lae hehee: | 1400ºC |
Elongation: | Min 20% |
Hanana Micrographic: | Austenite |
Mea Mākēneki: | nonmagnetic |
Nā mea wela o ke kū'ē uila
20ºC | 100ºC | 200ºC | 300ºC | 400ºC | 500ºC | 600ºC |
1 | 1.006 | 1.012 | 1.018 | 1.025 | 1.026 | 1.018 |
700ºC | 800ºC | 900ºC | 1000ºC | 1100ºC | 1200ºC | 1300ºC |
1.01 | 1.008 | 1.01 | 1.014 | 1.021 | 1.025 | - |
ʻO ka nui maʻamau o ka uwea nickel alloy:
Hāʻawi mākou i nā huahana i ke ʻano o ka uea, ka uea pālahalaha, ka ʻāʻī. Hiki iā mākou ke hana i nā mea maʻamau e like me nā noi useris.
Uea uila a keʻokeʻo–0.025mm~3mm
uwea pickling:1.8mm~10mm
Uea Oxidized: 0.6mm~10mm
Uea pālahalaha: mānoanoa 0.05mm ~ 1.0mm, laula 0.5mm ~ 5.0mm
Kaʻina hana:
Uea: Hoʻomākaukau mea → hoʻoheheʻe → hoʻoheheʻe hou → hoʻoheheʻe ʻia → ʻōwili wela → mālama wela → hoʻomaʻamaʻa ʻili → kaha kiʻi (rolling) → hoʻopau i ka mālama wela → nānā → pūʻolo → hale kūʻai.
Nā hiʻohiʻona huahana o ka uea nichrome:
1) ʻO ka anti-oxidation maikaʻi a me ka ikaika mechanical i ke kiʻekiʻe wela;
2) High resistivity a me haʻahaʻa wela coefficient o ke kū'ē;
3) Reelability maikaʻi loa a me ka hana ʻana;
4) maikaʻi kuʻihao performace
Hoʻohana i nā papa āpau:
Cr20Ni80: i nā pale pale pale, nā kapuahi ʻoihana, nā hao pālahalaha, nā mīkini hao, nā mea hoʻomehana wai, ka make ʻana o ka plastic, nā hao hao, nā mea tubular sheathed metala a me nā mea pahu pahu.
Cr30Ni70: i loko o nā kapuahi hana. kūpono no ka hoʻohaʻahaʻa ʻana i ka lewa, no ka mea, ʻaʻole pili ia i ka 'palapala ʻōmaʻomaʻo'.
Cr15Ni60: i nā pale pale pale, nā umu ahi, nā pā wela, nā grills, nā umu toaster a me nā mea wela mālama. No nā wili i hoʻokuʻu ʻia i nā mea hoʻoheheʻe ea i nā mea maloʻo lole, nā mea hoʻomehana peʻa, nā mea maloʻo lima.
ʻO Cr20Ni35: ma nā mea pale pale, nā kapuahi hana. No ka hoʻomehana ʻana i nā kaula a me nā mea hoʻomehana kaula i ka hoʻoheheʻe ʻana a me ka de-icing element, nā pākeke uila a me nā pads, nā noho kaʻa, nā mea hoʻomehana baseboard a me ka papahele.
Cr20Ni30: i loko o nā pā wela paʻa, nā mea hoʻoheheʻe coil wehe i nā ʻōnaehana HVAC, nā mea hoʻomehana pō, nā convection heaters, nā rheostats koʻikoʻi a me nā mea hoʻomehana fan.
150 0000 2421