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Z275 Hot dipped galvanized steel strip
High Tensile Galvanized Steel-G550/G450/G350
Cold rolled carbon steel as raw materials, continuous hot galvanizing.Thickness: 0.3-3.0mm Width: Less than 1250mm Steel Grade: G550,G450,G350Zinc coating:Z80/Z150/Z275/Z350/Z450/Z600 Internal Diameter: 508mm Coil OD: 1000~1500mmSurface treatment: Chromated, unoiled/oiled, bright finished, spangle, fingerprint resistance.
Surface condition:Regular spangle/Zero spangle/Antifinger Coil Weight: Usually 2~8 tons per roll, we can produce as per customer's requests Thickness tolerance: +/- 0.03mm Applications: Draw quality, deep drawing, Cable industry, welding pipe, building material, construction material etc.Annual production: 200,000 MT/year
GENERAL STEEL GRADE SPECIFICATION
Chemistry Composition %
Steel grade | C% | Mn% | Si% | S% | P% |
G350 | ≤ 0.15 | ≤ 0.95 |
| ≤ 0.035 | ≤ 0.035 |
G450 | ≤ 0.21 | ≤ 1.4 |
| ≤ 0.035 | ≤ 0.035 |
G550 | 0.12-0.20 | 1.20-1.60 | 0.20-0.60 | ≤0.050 | ≤0.045 |
Mechanical Properties
Steel grade | Tensile test | ||
Yield point σb(Mpa) | Strength of extension σb(Mpa) | Extensibility δ (%) | |
≥ | ≥ | ||
G350 | 350 | 370-450 | ≥ 26 |
G450 | 450 | 480-510 | ≥ 21 |
G550 | 550 | 590-660 | 22 |
Contact: Hanks
Mobil:86-158-95328516
Skype:hanks_wang
hanks#cnblsteel.com