0.308R spring wirewound resistor for automobile
Material choice:
1. FeCrAl heating wire: OCr27AL7Mo2, OCr21AL6Nb, OCr21AL6, OCr25AL5, OCr23AL5, OCr21AL4, 1Cr13AL4
2. Nichrome heating wire: Cr20Ni80, Cr30Ni70, Cr15Ni60, Cr20Ni35, Cr20Ni30.
3. Product forms and size range
Round wire 
0.010-12 mm (0.00039-0.472 inch)  Other sizes are available on request.
Ribbon (flat wire) 
Thickness: 0.023-0.8 mm (0.0009-0.031 inch) 
Width: 0.038-4 mm (0.0015-0.157 inch) 
Width/thickess ratio max 60, depending on alloy and tolerance 
Other sizes are available on request,please feel free to contact me!