Cold Rolled Steel Coil Dimension

surface quality and dimension precision are quite low after hot rolling process,

Cold rolled steel coil dimension can’t be used where surface quality and dimensions are required.

Cold rolled steel coils are typically harder than hot rolled steel coils due to the increased carbon content. However, this cannot be said about cold-rolled sheets and hot-rolled sheets.

SC1 Chemical composition

GRADE	C% max	Mn% max	P% max	Alt% min	Ti max
SC1	0.08	0.40	0.030	0.020	-

Grade	aYieldStrength	TensileStrength
THK< 0.60	0.60≤ THK< 1.0	1.0≤ THK< 1.6
SPCC		> 270MPA	≥ 36%	≥ 37%	≥ 38%
SPCD		> 270MPA	≥ 38%	≥ 39%	≥ 40%
SPCE	≤ 210MPA	> 270MPA	≥ 40%	≥ 41%	≥ 42%
SPCEN	≤ 210MPA	> 270MPA	≥ 40%	≥ 41%	≥ 42%
1. Taking RP0.2 in case of indistinct yield, otherwise ReL.
2. Using P14 sample of GB/T228

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