Tuam Tshoj Cr20ni80 NiCr8020 Nicr Alloy Nichrome Hlau rau cua sov Element Chaw tsim tshuaj paus thiab Hoobkas

Cr20ni80 NiCr8020 Nicr Alloy Nichrome Hlau rau cua sov Element

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Cov khoom siv NiCr8020 nrog cov khoom siv tooj 2.4869 yog siv rau hauv daim ntawv strips, nplooj ntawv, raj thiab xov hlau rau cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob. Nws yog nickel-chromium cua sov conductor alloy rau kev khiav hauj lwm kub txog li 1150 ° C thiab feem ntau muaj cov additives ntawm lub ntiaj teb tsis tshua muaj rau kev tiv thaiv ntau dua rau oxidation, tshwj xeeb tshaj yog nrog kev hloov pauv ntau zaus lossis qhov kub hloov pauv. Kev tiv thaiv rau atmospheric corrosion ntawm 20 ° C yog siab mus rau lub siab ua hauj lwm kub qhov kev tiv thaiv rau huab cua thiab lwm yam oxygen-muaj gases raws li zoo raws li nitrogen-muaj cov pa roj carbon tsawg yog siab zoo, tab sis nws tsis tshua muaj oxidizing thiab txo cov pa roj uas muaj sulfur. Kev tiv thaiv rau carbonizing yog siab. Daim ntawv thov rau kev lag luam hluav taws xob furnaces, enamelling furnaces, khoom siv hauv tsev, hmo ntuj tam sim no cia qhov chaw-heaters.

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Cr20n80NiCr8020Nicr Alloy Nichrome Hlau rau cua sov Element

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Chemical Composition thiab Propertes:
Propertes / Qib		NiCr 80/20	NCV 70/30	NCV 60/15
Lub ntsiab Chemical Composition (%)	Ni	Bal.	Bal.	55.0-61.0 Nws
	Cr	20.0-23.0 Nws	28.0-31.0 Nws	15.0-18.0 Nws
	Fe	≤ 1.0	≤ 1.0	Bal.
Max ua haujlwm kub (ºC)		1200	1250	1150
Resistivity ntawm 20ºC (μ Ω·m)		1.09 Nws	1.18	1.12
Qhov ceev (g / cm3)		8.4 ib	8.1	8.2
Thermal conductivity (KJ / m · h · ºC)		60.3	45.2 ib	45.2 ib
Coefficient ntawm Thermal Expansion (α × 10-6 / ºC)		18	17	17
Melting Point (ºC)		1400	1380	1390 ib
Elongation (%)		> 20	> 20	> 20
Micrographic Structure		austenite	austenite	austenite
Magnetic Property		nonmagnetic	nonmagnetic	nonmagnetic

Propertes / Qib		NiCr 35/20	NiCr 30/20	Karma	Evanohm
Main tshuaj Kev sib xyaw (%)	Ni	34.0-37.0 Nws	30.0-34.0 Nws	Bal	Bal
	Cr	18.0-21.0 Nws	18.0-21.0 Nws	19.0-21.5 Nws	19.0-21.5 Nws
	Fe	Bal.	Bal.	2.0-3.0 Nws	-
Max ua haujlwm kub (ºC)		1100	1100	300	1400
Resistant ntawm 20ºC (μΩ · m)		1.04 ib	1.04 ib	1.33	1.33
Qhov ceev (g / cm3)		7.9 ib	7.9 ib	8.1	8.1
Thermal conductivity (KJ/m· h· ºC)		43.8 ib	43.8 ib	46	46
Coefficient ntawm Thermal Kev nthuav dav (α × 10-6 / ºC)		19	19	-	-
Melting Point (ºC)		1390 ib	1390 ib	1400	1400
Elongation (%)		> 20	> 20	10-20	10-20
Micrographic Structure		austenite	austenite	austenite	austenite
Magnetic Property		nonmagnetic	nonmagnetic	nonmagnetic	nonmagnetic

Tshuaj muaj pes tsawg leeg	Nickel 80%, Chrome 20%
Qhov xwm txheej	Bright / Acid dawb / Oxied Xim
Txoj kab uas hla	0.018mm ~ 1.6mm hauv spool, 1.5mm-8mm packing hauv coil, 8 ~ 60mm hauv pas nrig
Nichrome Round Hlau	Txoj kab uas hla 0.018mm ~ 10mm
Nichrome Ribbon	Dav 5 ~ 0.5mm, thickness 0.01-2mm
Nichrome Sawb	Dav 450mm ~ 1mm, thickness 0.001m ~ 7mm
Txoj kab uas hla	1.5mm-8mm packing nyob rau hauv kauj, 8 ~ 60mm hauv pas nrig
Qib	Ni80Cr20, Ni70/30, Ni60Cr15, Ni60Cr23, Ni35Cr20Fe, Ni30Cr20 Ni80, Ni70, Ni60, Ni40,
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 coilforming peev xwm; Uniform thiab zoo nkauj saum npoo yam tsis muaj pob.
Kev siv	Resistance cua sov ntsiab; Khoom siv hauv metallurgy, Cov khoom siv hauv tsev; Mechanical manufacturing thiab lwm yam kev lag luam.

Resistance Hlau
RWM 30	wb 1.4864	Nickel 37%, Chrome 18%, Hlau 45%
RWB 41	UNS N07041	Nickel 50%, Chrome 19%, Cobalt 11%, Molybdenum 10%, Titanium 3%
RWB 45	wb 2.0842	Nickel 45%, tooj liab 55%
RWM 60	wb 2.4867	Nickel 60%, Chrome 16%, Hlau 24%
RWM 60	UNS Nr 6004	Nickel 60%, Chrome 16%, Hlau 24%
RWB 80	wb 2.4869	Nickel 80%, Chrome 20%
RWB 80	UNS Nr 6003	Nickel 80%, Chrome 20%
RWB 125	wb 1.4725	Hlau BAL, Chrome 19%, Aluminium 3%
RWB 145	wb 1.4767	Hlau BAL, Chrome 20%, Aluminium 5%
RWB 155		Hlau BAL, Chrome 27%, Aluminium 7%, Molybdenum 2%