S550GD+Z Class1 Galvanized Steel Coil

S550GD+Z Class1 Galvanized Steel Coil is a high-strength structural steel (≥550MPa yield strength) per EN 10346, featuring zinc coating (+Z) for superior corrosion resistance. Ideal for demanding applications in construction, automotive, and machinery, it offers excellent formability, weldability, and dimensional accuracy. The zinc layer (60-275g/m²) ensures durability in harsh environments, while its strength-to-weight ratio supports lightweight, efficient designs. Suitable for roofing, framing, and structural components requiring long-term performance.

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Key Attributes

Product NameS550GD+Z Class1 Galvanized Steel Coil
StandardGB,JIS,DIN,AISI,ASTM etc
GradeSPCC,SPCD,SPCE,ST12-15,DC01-06,Q195A-Q235A,Q195AF-Q235AF,Q295A(B)-Q345A(B) etc
Thick0.12-0.2mm or Customer needs customization
Width600-1500 mm or Customer needs customization
Length2000-12000mm or customized
Zinc Coating30-275g/m2,G30/G40/G60/G90/G120
Coil Weight3-5 Tons
HardnessSoft hard(HRB60),medium hard(HRB60-85),full hard(HRB85-95)
Surface TreatmentChromated/Non-Chromated, Oiled/Non-oiled, Skin pass
Payment TermsT/T, D/A, D/P, L/C, Western Union, MoneyGram or according to customer requirements
Regular Order25 tons or one container, for less quantity, to contact with us for details
MOQ3 ton
Delivery TimeUsually within 7 days, the time depends on the number of products.
PackingPlastic film + water proof paper + steel plate+ packing steel strip,Customer needs customization
ApplicationContainer Plate,Boiler Plate,Building materials,Flange Plateand so on 

Product Details


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