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CNS:201 AS:201-2 ASTM:201
KS:STS201 JIS:SUS201 UNS:S20100
Copper content: J4>J1>J3>J2>J5.
Carbon content: J5>J2>J3>J1>J4.
Hardness arrangement: J5, J2>J3>J1>J4.
The order of prices from high to low is: J4>J1>J3>J2, J5.
Grade and Main Chemical Composition%
|201 J2||0.128||0.490||9.570||0.045||0.01||13.290||–||1.370||Cu 0.33|
|Grade||YS(Mpa) ≥||TS (Mpa) ≥||El (%) ≥||Hardness(HV) ≤|
Decorative tubes: Simple decorative tubes are still good, because the hardness is high (both above 96°) and the polishing is more beautiful, but the square tube or the curved tube (90°) is prone to bursting.
In terms of flat plate: due to the high hardness, the board surface is beautiful, and the surface treatment such as frosting, polishing and plating is acceptable. But the biggest problem is the bending problem, the bend is easy to break, and the groove is easy to burst. Poor extensibility.