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JIS G 3302

JIS G3302 Standard

JIS G 3302 is a Japanese material standard for hot-dip galvanized steels. This standard applies to steel plates and steel strips (hereinafter referred to as steel strips and steel strips) that are hot-dipped galvanized on both sides in a plating solution containing more than 97% zinc (usually less than 0.30% aluminum).

JIS G3302 Equivalent

  • Chinese standard: GBT 2518-2008
  • European standard: EN 10346-2009
  • American standard: ASTM A653

JIS G3302 Specification

Based on Hot-roll Sheet:

GradeNominal Thickness(mm)Application
SGHC1.60 ~ 6.00General Purpose
SGH340Structural purposes
SGH400
SGH440
SGH490
SGH540

Based on Cold-roll Sheet:

GradeNominal ThicknessApplication
SGCC0.25 ~ 3.2General Purpose
SGCH0.11 ~ 1.0General Hard Use
SGCD10.40 ~ 2.3Stamping use class 1
SGCD2Stamping use class 2
SGCD30.60 ~ 2.3Stamping use class 3
SGC3400.25 ~ 3.2Structural purposes
SGC400
SGC440
SGC490
SGC5700.25 ~ 2.0

JIS G3302 Chemical Composition

Based on Hot-roll Sheet(units:%):

GradeCMnPS
SGHC0.15max.0.80max.0.05max.0.05max.
SGH3400.25max.1.70max.0.20max.0.05max.
SGH4000.25max.1.70max.0.20max.0.05max.
SGH4400.25max.2.00max.0.20max.0.05max.
SGH4900.30max.2.00max.0.20max.0.05max.
SGH5400.30max.2.50max.0.20max.0.05max.

Based on Cold-roll Sheet (units:%):

GradeCMnPS
SGCC0.15 max.0.80 max.0.05 max.0.05 max.
SGCH0.18 max.1.20 max.0.80 max.0.05 max.
SGCDl0.12 max.0.60 max.0.04 max.0.04 max.
SGCD20.10 max.0.45 max.0.03 max.0.03 max.
SGCD30.08 max.0.45 max.0.03 max.0.03 max.
SGC3400.25 max.1.70 max.0.20 max.0.05 max.
SGC4000.25 max.1.70 max.0.20 max.0.05 max.
SGC4400.25 max.2.00 max.0.20 max.0.05 max.
SGC4900.30 max.2.00 max.0.20 max.0.05 max.
SGC5700.30 max.2.50 max.0.20 max.0.05 max.

 

 

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