Product Details

best price chrome wire filament for vacuum plastic metalizing chrome filament wire for sale

Nichrome alloy description

NiCr 80: 20 Industrial furnaces (upto 1200° C), electric cooking equipment, precision resistors.

NiCr 70: 30 Industrial furnaces (upto 1230° C) with alternating oxidizing/reducing atmosphere, precision resistors.

NiCr 60: 15 Industrial furnaces (upto 1100° C), electrically heated equipment, high-resistance and potentiometer resistors.

NiCr 40: 20 Domestic heating appliances (upto 1050° C), furnaces in carburising or semi-reducing atmosphere.

NiCr 30: 20/ NiCr 20: 25 Industrial furnaces (upto 1050° C), heating elements of cooking equipment.

Property	Cr15Ni60	Cr20Ni80	Cr20Ni30
Main Chemical Composition(%)	15-18	20-23	18-21
	55-61	Rest	30-34
	Rest	--	Rest
Max continuous service Temp.of elements	1100	1150	1100
Density(g/cm3)	8.2	8.4	7.9
Melting point(approx )	1390	1400	1390
Elongating(%)	20	20	30
Resistivity at 20	1.12-1.15±0.05	1.09-1.14±0.05	1.04-1.06±0.05
Micrographic structure	Austenite A	Austenite A	Austenite A

Alloy	Ni%	Mn%	Fe%	Si%	Cr%	C%
NiCr 80:20	Bal.	Max 1.0	Max 1.0	1.00 - 1.50	19 - 21	Max 0.10
NiCr 70:30	Bal.	Max 1.0	Max 1.0	1.00 - 1.50	28 - 32	Max 0.10
NiCr 60:15	Min 57.0	Max 1.0	Bal.	1.00 - 1.50	14 - 17	Max 0.10
NiCr 40:20	Min 37.0	Max 1.0	Bal.	1.80 - 3.00	18 - 22	Max 0.10
NiCr 30:20	Min 28.0	Max 1.0	Bal.	1.80 - 3.00	18 - 22	Max 0.10
NiCr 20:25	Min 18.0	Max 1.0	Bal.	1.00 - 1.50	23 - 27	Max 0.10

Alloy	NiCr 80:20	NiCr 70:30	NiCr 60:15	NiCr 40:20	NiCr 30:20	NiCr 20:25
Tensile strength Min-Max (N/mm 2 )	700-900	800-950	700-850	700-850	650-800	600-800
Elongation % (L 0 =100 mm)	25-35	25-30	25-35	25-35	25-35	25-35

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