Electro Galvanized Steel Sheet & Coil(EGI)

1.Classification and symbol 1.Grades and qualities Class Symbol Synopses Main use Base metal used Base metal Class1 C SECC For general use SPCC Class2 C SECD For drawing SPCD Class3 C SECE For deep drawing SPCE 2 Surface treatments Type of surface treatment Symbol Chromate treatment C Phosphate treatment P Oiling O 2. Specification Classification KS(D-3528) JIS(G3313) ASTM A591 Commercial Quality SECC SECC CQ Drawing Quality SECD SECD DQ Deep Quality SECE SECE DDQ Structural Quality Structural Structural Structural 3. Thickness Tolerances(Cold-rolled sheet used as base meal) WIDTH THICKNESS Under 630 630 and over to 1000, excl. 1000 and over to 1250, excl 1250 and over to 1600, excl. 1600 and over Under 0.40 ± 0.04 ± 0.04 - - - 0.40 and over to 0.60 excl. ± 0.05 ± 0.05 ± 0.05 ± 0.06 - 0.60 and over to 0.80 excl. ± 0.06 ± 0.08 ± 0.06 ± 0.07 ± 0.08 0.80 and over to 1.00 excl. ± 0.07 ± 0.07 ± 0.08 ± 0.09 ± 0.10 1.00 and over to 1.25 excl. ± 0.08 ± 0.08 ± 0.09 ± 0.10 ± 0.12 1.25 and over to 1.60 excl. ± 0.09 ± 0.10 ± 0.11 ± 0.12 ± 0.14 1.60 and over to 2.00 excl. ± 0.10 ± 0.11 ± 0.12 ± 0.14 ± 0.16 2.00 and over to 2.50 excl. ± 0.12 ± 0.13 ± 0.14 ± 0.16 ± 0.18 2.50 and over to 3.15 excl. ± 0.14 ± 0.15 ± 0.16 ± 0.18 ± 0.20 3.15 and over ± 0.16 ± 0.17 ± 0.19 ± 0.20 - 4. Width Tolerances Base metal Width Cold-rolled sheet used as base metal Under 1250 +70 1250 and over -10 5. Length Tolerances Base metal Width Cold-rolled sheet used as base metal Under 2000 +100 2000 and over to 4000, excl. +150 4000 and over to 6000, excl. +200 Specification uses. Electrial Appliance Refrigerator Washing machine Oil stove Heater Air conditioner Furniture and machinery Desk, Filing cabinet, Locker, Door Automobiles Body, Floor, Fuel tank, Air cleaner, various cover Others Elevator, Various Toy, Container