SGC570/G550 Grade of Hot Dipped Galvanized Steel Sheet in Coils

14 March 18

Sinowell Metal Here supply good quality of SGC570/G550 grade of Hot Dipped Galvanized Steel Coils & Galvalume Steel Coils & Aluzinc Steel Coils with zinc layers from Z100-Z275 per gsm.

Product name: Galvanized steel coils

Steel grade: DX51D/52D/53D/54D/56D/57D /ASTM 653/JIS SGCC/SGCH soft and full hard thickness: 0.13-6.0mm; width: 600-1250mmzinc 40-275gsm; regular spangle/minimum spangle/big spangle

Surface treatment: Passivated
Coil weight 5-12 ton MAX12TON
Coil ID 508mm/610mm


G550 steel is a hot-dipped zinc coated structural steel with a spangled surface and guaranteed minimum yield strength of 550MPa. Suitable for roll forming to a minimum internal diamter of 4t.

Mechanical properties

Yield Strength, MPa (longitudinal tensile): 550

Tensile Strength, MPa (longitudinal tensile): 550

Elongation on 80mm(≧0.60mm) %: 2

Chemical composition

C: 0.20

Mn: 1.20

P: 0.040

S: 0.030

MTC for references as following,

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