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Credibility ,Silver bright steel It is also called silver steel branch, commonly known as bright round bar or smooth circle. It refers to the round steel with bright surface without rolling defects and decarburization layer. All kinds of steel, carbon steel, easy cutting steel, bearing steel, tool steel, stainless steel, valve steel, etc., can be processed into silver bright steel.
Delivery status |
Code name |
Straightness |
Roughness |
Peeling |
SF |
≤1mm/m |
≤3.0μm |
polish |
SP |
≤2mm/m |
≤5.0μm |
polishing |
SB |
≤1mm/m |
≤0.6μm |
Nominal diameter |
h7 |
h8 |
h9 |
h10 |
h11 |
1.0~3.0 |
0 -0.010 |
0 -0.014 |
0 -0.025 |
0 -0.040 |
0 -0.060 |
>3.0~6.0 |
0 -0.012 |
0 -0.018 |
0 -0.030 |
0 -0.048 |
0 -0.075 |
>6.0~10.0 |
0 -0.015 |
0 -0.022 |
0 -0.036 |
0 -0.058 |
0 -0.090 |
>10.0~18.0 |
0 -0.018 |
0 -0.027 |
0 -0.043 |
0 -0.070 |
0 -0.11 |
>18.0~30.0 |
0 -0.021 |
0 -0.033 |
0 -0.052 |
0 -0.084 |
0 -0.13 |
>30.0~50.0 |
0 -0.025 |
0 -0.039 |
0 -0.062 |
0 -0.100 |
0 -0.16 |
>50.0~80.0 |
0 -0.030 |
0 -0.046 |
0 -0.074 |
0 -0.12 |
0 -0.19 |
>80.0~120 |
0 -0.035 |
0 -0.054 |
0 -0.087 |
0 -0.14 |
0 -0.22 |
>120~180 |
0 -0.040 |
0 -0.063 |
0 -0.100 |
0 -0.16 |
0 -0.25 |
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