Products

Tolerances

Coating Weight
Caoting Weight Average value of Double-sided, Triple Spot Method Average value of Double-sided, Single Spot Method KS D 3506 JIS G 3302 POSCO
60 60 51 (Z06), F06 (Z06), F06 K060, S060
80 80 68 Z08, F08 Z08, F08 K080, S080
100 100 85 Z10, F10 Z10, F10 K100, S100
120 120 102 Z12, F12 Z12, F12 K120, S120
180 180 153 Z18, (F18) Z18, (F18) K180
200 200 170 Z20 Z20 K200
220 220 187 Z22 Z22 K220
250 250 213 Z25 Z25 K250
275 275 234 Z27 Z27 K275
350 350 298 Z35 Z35 K350
450 450 383 Z45 Z45 K450
550 550 510 - - -
Thickness Tolerance
Thickness/Width 800≤w<1,000 1,000≤w<1,250 1,250≤w<1,600 1,600≤w≤1,800
0.35<t<0.40 ±0.05 ±0.05 ±0.06 -
0.40≤t<0.60 ±0.06 ±0.06 ±0.07 ±0.08
0.60≤t<0.80 ±0.07 ±0.07 ±0.07 ±0.08
0.80≤t<1.00 ±0.07 ±0.08 ±0.09 ±0.10
1.00≤t<1.25 ±0.08 ±0.09 ±0.1 ±0.12
1.25≤t<1.60 ±0.1 ±0.11 ±0.12 ±0.14
1.60≤t<2.00 ±0.12 ±0.13 ±0.14 ±0.16
2.00≤t≤2.30 ±0.14 ±0.15 ±0.16 ±0.18
Width Tolerance
Edge Type Width Tolerances Using Cold Rolled Steel Sheet
Mill Edge
Under 1,250 +7,0
1,250 and Over +10,0
Slit Edge
 Under 1,250 +3,0
1,250 and Over +4,0
Oilings

The purpose of providing oil is to act as a lubricant, in order to avoid friction during drawing. The oil type may vary from customer tocustomer,depending upon their end applications, like rust preventive, lubricating, degreaseable, etc.


Mode Quantity (mg/m²) (BothSides)
Thin 200~800
Light 800~1,800
General 1,800~3,000
Heavy 3,000~4,500