MATERIAL FOR WELDING RODS

Si

Mn

P

S

C

Flow Velocity ( s”)

Loose specific gravity ( Df )

FeSi45

4 3 -4 7

< 0.70

< 0.04

< 0.02

< 0.10

50g/41”

2.5g/ cm3

FeSi75

72-75

< 0.70

< 0.04

< 0.02

< 0.10

Mn

99.7%min

99.90%

C

0.04%max

0.011%

S

0.03% max

0.023%

P

0.003% max

0.003%

Fe+Si+Se

0.21% max

0.063%

Particle size

 -60mesh:100%

-200mesh: 25%-35%

-60mesh: 100%

-200mesh: 29.5%

 SiO2

 0.6%max

0.12%

 Fe2O3

 0.05% max

0.03%

 TiO2

 0.25% max

0.15%

 Al2O3

 0.2% max

0.18%

Particle size

As your requirement

+80mesh: 0

-80~+200mesh: 83.65%

-200mesh: 16.35%