1. Brief introduction:

   It’s Ni-Fe soft magnetic alloy with high magnetic permeability, high saturation magnetic induction.

   Mainly used for transformers, relays, electromagnetic clutch cores working in medium magnetic fields.

    

2. Chemical composition under GBn198-88 standard:
   

   Grade	chemical composition,%
   	C	P	S	Cu	Mn	Si	Ni	Fe
   	MAX
   1J50	0.03	0.02	0.02	0.2	0.3~0.6	0.15~0.3	49.5~50.5	Remainder

   Remarks：If require adjustments for some chemical compositions, pls consult with us.

    

3. Physical and mechanical properties under GBn198-88 standard:

   Grade 1J50
   Resisitivity	(μΩ•m)		0.45
   Density	(g/cm3)		8.2
   Curie Point	℃		500
   High Saturated magneto-striction coefficient	λθ/10-6		25
   Brinell hardness	HBS	cold-drawn&hard	170
   		soft	130
   Tensile strength Rm N/mm2		cold-drawn&hard	785
   		soft	450
   Yield strength Rp 0.2  N/mm2		cold-drawn&hard	685
   		soft	150
   Elongation A %		cold-drawn&hard	3
   		soft	37

4. Typical average linear expansion coefficient value α,10-6/℃

   Grade	20℃~100℃	20℃~200℃	20℃~300℃	20℃~400℃
   1J50	8.9	9.2	9.2	9.2
   20℃~500℃	20℃~600℃	20℃~700℃	20℃~800℃	20℃~900℃
   9.4	–	–	–	–

   
   

5. Main product types:

   wire,rod, bar,strip, plate/sheet.

   
   

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