Better Control Cold Rolled Sheet

Today's better control cold rolled sheet are much improved than those used in the past. Better control cold rolled sheet could supply better control of thickness, shape, width, surface finish, and other special quality features that compliment the emerging need for highly engineered end uses. Take construction projets for example: steel sheds, industrial buildings, and garages.

JIS G3141 Chemical Composition
Material Grade	better control cold rolled sheet Chemical Composition %
C	Mn	P	S	Alta
SPCC	≤0.12	≤0.50	≤0.035	≤0.025	≥0.020
SPCD	≤0.10	≤0.45	≤0.030	≤0.025	≥0.020
SPCE	≤0.08	≤0.40	≤0.025	≤0.020	≥0.020
for all steel grades,when C≤0.01,Alt≥0.015

JIS G3141 better control cold rolled sheet Mechanical Property
Steel Grade	Tensile test				r90	n90
	Yield strength/MPa	Tensile Strength /MPa	Elongation after break b（L0=50mm, b=25mm）/%		not less than
			0.5~1.0mm	1.0~2.0mm
SPCC	140~280	≧270	≧34	≧37
SPCD	140~240	≧270	≧36	≧39	1.3
SPCE	130~210	≧270	≧38	≧41	1.6	0.18

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