Product Standard Code

Standard	KS	ASTM	JIS	EN
Code	D 3512	-	G 3141	-

Coating Weight (Unit : g/m²)

Symbol	Standard Thickness(μ)	Nominal coating weight (g/m²)	Aim (g/m²)	Minimum coating weight (g/m²)
#5	0.5	5	4.0 ~ 6.0	3.0
#10	1	10	9.0 ~ 11.0	8.0
#20	2	20	18.0 ~ 22.0	17.0
#30	3	30	28.0 ~ 32.0	26.0
#50	5	50	46.0 ~ 54.0	43.0
#75	7.5	70	70.0 ~ 80.0	65.0

Oil Weight

Comply with customer requirement

Post treatment

Organic Film

① Classification by Type of Steel

Symbol	Type of Steel	Application	Remark
SPCC	CR1	For Commercial, Single and Double Wall Tube	Cold Rolled Steel Sheet and strip
SPCD	CR2	For Drawing
SPCE	CR3	For Deep Drawing

BP for Tinplate can also be applied to Copper-plated Steel.

② Classification by Temper

Temper Grade	Symbol	HRB	HV	HR30t	Remark
Standard Temper Grade	S	≤65	≤115	≤60	Cold Rolled Steel Sheet and strip
As-Annealed	A	≤57	≤105	≤55
1/8 Hard	1/8H	50 ~ 71	95 ~ 130	50 ~ 63
1/4 Hard	1/4H	65 ~ 80	115 ~ 150	60 ~ 70
1/2 Hard	1/2H	74 ~ 89	135 ~ 180	66 ~ 75
Full Hard	H	≥85	≥170	≥72

③ Classification by Surface Finish

Designation	Symbol		Remark	Aim (Ra/㎛)
	KS/JIS	TCC
Bright Finish	B	BF	Blackplate finished to have a smooth surface with the use of temper-mill work rolls that have been ground to a low roughness	0.20 ~ 0.40
Matte Finish	D	D7	Blackplate finished to have a dull surface with the use of temper-mill work rolls with dull surface texture	0.70 ~ 1.30

Mechanical Property

Symbol	TS(kg/mm2)	YP(kg/mm2)	El(%)	HR30t
SPCC	≥28	≤27	≥32	≤60
SPCD	≥28	≤27	≥34	≤55
SPCE	≥28	≤18	≥36	≤45