Unit price will be decided by engineering drawing.
Introduction:
Acicular spheroid graphite cast iron roll is added with Ni, Cr, Mo to change the matrix into the acicular micro structure. Compared with Spheroid Graphite Pearlite Roll, SGA has better strength, toughness, and wear resistance.
Manufacturing Process:
Material and Properties:
| Grade |
C |
Si |
Mn |
Cr |
Ni |
Mo |
Nb |
Hardness (HS) |
Tensile Strength (MPa) |
| SGA I |
2.90/3.60 |
1.20/2.20 |
0.20/0.80 |
0.20/1.00 |
2.50/3.00 |
0.50/1.00 |
- |
60/80 |
>230 |
| SGA II |
2.90/3.60 |
1.00/2.00 |
0.20/0.80 |
0.30/1.50 |
2.50/4.50 |
0.50/1.00 |
- |
70/82 |
>230 |
| SGA III |
2.90/3.60 |
1.00/2.00 |
0.20/0.80 |
0.30/1.50 |
2.50/4.50 |
0.50/1.00 |
0.40/1.20 |
72/85 |
>230 |
Microstructure:
Applications:
Intermediate and finishing stands of bar, rebar, wire rod and medium section mills.
Forming, sizing, reducing and straightening rolls for pipe and tube mills.
Sleeves for Universal finishing stands (Horizontal & Vertical).
Photograph:
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