Products Description

Cold rolled steel is rolled at room temperature and then rolled again below its recrystallization temperature. This process enables better control over finished product shape, thickness, dimensions, and a more consistent finish.

Why Choose Us

We implement strict quality control throughout the entire production process, from raw material selection to final inspection.

1.Chemical composition and mechanical properties testing
2.Surface quality inspection (scratches, rust, coating uniformity)
3.Thickness and dimensional accuracy control
4.Third-party inspection support available upon request

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Product Specifications

Product name	Cold Rolled Carbon Steel Coil
Standard	AiSi,ASTM,bs,DIN,GB,JIS
Material	SGCC/SGCD/SGCE/DX51D/DX52D/S280GD/S350GD/G550/SPCC
Width	100-12500mm or customized
Thickness	Customized
Tolerance	±1% or less
Length	Customized
Apply	Industry, Buildings, cars, appliances, etc
Certificate	ISO9001

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Deliverable Grade

DeliverableGrade
Standard	Q/BQB 408	JIS G3141	JFS A2001	EN 10130	DIN 1623	ASTM A1008	GB/T 5213	ISO 3574
Grade	BLC	SPCC	JSC270C	DC01	St12	CS		CR1
	BLD	SPCD	JSC270D	DC03	RRSt13	DS		CR2
	BUSD	SPCE	JSC270E	DC04	St14	DDS	SC1	CR3
	BUFD	SPCF	JSC270F	DC05		EDDS	SC2	CR4
	BSUFD		JSC260G	DC06			SC3	CR5

Standard	Grade	ChemicalCompositionofColdRolledMildSteel(%)					Mechanicalpropertiesofcoldrolledsteel
		C	Si	Mn	P	S	Yielding Strength (MPa)	Tensile Strength (MPa)	Elongation (%)
JISG3141	SPCC	0.15 max	-	0.60 max	0.10 max	0.05 max
	SPCD	0.12 max	-	0.50 max	0.04 max	0.04 max	≤ 240	≥ 270	≥ 41
	SPCE	0.10 max	-	0.45 max	0.03 max	0.03 max	≤ 220	≥ 270	≥ 43
	SPCF	0.08 max	-	0.45 max	0.03 max	0.03 max	≤ 210	≥ 270	≥ 45
JIS G3141 Surface quality classification: B-finish; D-mirror finish Heat treatment or state: A - annealed; S - tempered , 8 -1/8 hard, 4-1/4 hard, 2-1/2 hard, 1-hard
EN 10130	DC01	0.12 max	-	0.60 max	0.045 max	0.045 max	140-280	270-410	≥ 28
	DC03	0.10 max	-	0.45 max	0.035 max	0.035 max	140-240	270-370	≥ 34
	DC04	0.08 max	-	0.40 max	0.030 max	0.030 max	140-210	270-350	≥ 38
	DC05	0.06 max	-	0.35 max	0.025 max	0.025 max	140-180	270-330	≥ 40
	DC06	0.02 max	-	0.25 max	0.020 max	0.020 max	120-170	270-330	≥ 41
Surface type: A, B; Surface specification: b=special smooth, g=smooth, m=non-glossy, r=rude Example of plate naming: EN 10130+A1-DC03-B-g where B is the surface type and g indicates that the surface specification is smooth

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Packaging and Shipping

Cold rolled steel coils are carefully packaged to ensure surface protection, moisture resistance, and safe handling during storage and transportation, especially for export shipping.

Coils are first wrapped with anti-rust paper (VCI paper)
Sometimes combined with plastic film (PE layer)
Function:
Prevent oxidation and white rust
Protect surface from moisture and air exposure

Packaging And Shipping