◆ 일본공업규격 ( JIS Specification ) <<  이전화면  JIS G 3313, Electrolytic Zinc-Coated Steel Sheet 1. Classification and symbol 1.1 Grades and Qualities   1.2 Surface Treatments Class Symbol Synopses Main Use Base Metal Used Hot-rolled Sheet Cold-rolled Sheet Class 1 H SEHC For General Use SPHC - C SECC - SPCC SPCCT Class 2 H SEHD For Drawing SPHD - C SECD - SPCD Class 3 H SEHE For Deep Drawing SPHE - C SECE - SPCE SPCEN Type of Surface Treatment Symbol Chromate Treatment C Phosphate Treatment P Oiling O   2. Coating Weights Standard Coating Weight of Zinc (one side) g/m² Minimum Coating Weight of Zinc9one side) g/m² Coating Designation In case of Equal Thickness Coating In case of Differential Coating 10 8.5 8 E08 20 17.0 16 E16 30 25.5 24 E24 40 34.0 32 E32 50 42.5 40 E40   3. Thickness Tolerances (Cold-rolled Sheet used as Base Metal) unit : mm    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 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 ±0.06 ±0.06 ±0.06 ±0.07 0.80 and over to 1.00,excl. ±0.06 ±0.06 ±0.07 ±0.08 ±0.09 1.00 and over to 1.25,excl. ±0.07 ±0.07 ±0.08 ±0.09 ±0.11 1.25 and over to 1.60,excl. ±0.08 ±0.09 ±0.10 ±0.11 ±0.13 1.60 and over to 2.00,excl. ±0.10 ±0.11 ±0.12 ±0.13 ±0.15 2.00 and over to 2.50,excl. ±0.12 ±0.13 ±0.14 ±0.15 ±0.17 2.50 and over to 3.15,excl. ±0.14 ±0.15 ±0.16 ±0.17 ±0.20 3.15 and over ±0.16 ±0.17 ±0.19 ±0.20 -   4. Width Tolerances   5. Length Tolerances unit : mm    unit : mm    Base Metal 4444 Width4444   Cold-rolled Sheet used as Base Metal Under 1250 +7 0 1250 and over +10 0   Base Metal 4444 Length4444   Cold-rolled Sheet used as Base Metal Under 2000 +10 0 2000 and over to 4000, excl. +15 0 4000 and over to 6000, excl. +20 0 <<  이전화면

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