The four surface finishes listed correspond to the center roughness values in the following table and must be tested in accordance with EN 10049. Cold-rolled steel coils are also divided into many grades by materials. The following are the grades of several commonly used countries.
This special deep drawing quality JIS G 3141 cold coil is suitable for the highest deformation requirements
Grade/ Material | Element | Composition( Max-A, Min-I) |
JIS G 3141 SPCD | C | A:0.12 |
Mn | A:0.50 | |
Si | A:-- | |
P | A:0.040 | |
S | A:0.040 |
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