Description: It si widely used to small-sized electric stove, muffle furnace, heating air-conditioner, kinds of drying chamber, electro thermal tube and house electric apploance, which is a kind of new-type high resistant electric thermal alloy. Feature:1, High temperature- resistance.(highest to 1400.2, Stable electric-resistance.3, Long service life. Technical parameters:

Trademark/function		1Cr13AL4	1Cr21AL4	0Cr21AL6	0Cr23AL5	0Cr25AL5	0Cr21AL6Nb	0Cr27AL7Mo2
Chemical Composition(%)		Cr	12.0-15.0	17.0-21.0	19.0-22.0	20.0-23.5	23.0-26.0	21.023.0
Highest temperature	AI	4.06.0	2.04.0	5.07.0	4.25.3	4.56.5	5.07.0	26.527.8
	Fe	lefeover	lefeover	lefeover	lefeover	lefeover	lefeover	6.07.0
	Re	suitable	suitable	suitable	suitable	suitable	suitable	suitable
							Actual:Nb:0.5	suitable
	950	1100	1250	1250	1250	1350	1400	Actual:Nb:0.5
Melting point()		1450	1500	1500	1500	1500	1510	1520
Density (g/cm3)		7.40	7.35	7.16	7.25	7.10	7.10	7.10
Specific resistance μΩ·m,20		1.25±0.08	1.23±0.06	1.42±0.07	1.35±0.06	1.42±0.07	1.45±0.07	1.53±0.07
Anti-pulling strength Mpa		588735	637784	637784	637784	637784	637784	686784
Extention rate(%)		≥16	≥12	≥12	≥12	≥12	≥12	≥10
Bended times		≥5	≥5	≥5	≥5	≥5	≥5	≥5
Service life(h/)			≥80/1250	≥80/1300	≥80/1300	≥80/1300	≥80/1350	≥80/1350
Specific heat(J/g.)		0.490	0.490	0.520	0.460	0.494	0.494	0.494
Heat transmiting coefficiency(KJ/m.h)		52.7	46.9	63.2	60.2	46.1	46.1	45.2
Wire distend coefficiency a×10-6/ 201000		15.4	13.5	14.7	15.0	16.0	16.0	16.0
Hardness(HB)		200260	200260	200260	200260	200260	200260	200260
Micro-oranization		Austeniti	Austeniti	Austeniti	Austeniti	Austeniti	Austeniti	Austeniti
Meganetic		yes	yes	yes	yes	yes	yes	yes