Products Descriptions
โย Product name:ย Galvanized Steel Coils in Plate
โย Standards: AISI, ASTM, BS, DIN, GB, JIS
โย Place of origin: Tianjin, China (Mainland)
โย Brand name: Runfei
โย Payment terms: L/C, T/T (30% deposit)
โย Certifications: ISO 9001, SGS, RoHS Directive-compliant
โย Packing details: Standard seaworthy packing, horizontal type and vertical type are all available
Our Advantages
โย We can provide factory price with trading company services
โย We control production quality very strictly to keep none compensation
โย We guarantee 24 hours response and 48 hours solution providing service
โย We accept small order quantity before formal cooperation
โย We offer good quality with reasonable price, faster delivery with better payment terms
โย We are ALIBABA credit checked supplier
โย We offer ALIBABA trade assurance to protect your payment, product quality and on-time delivery
The general requirements, including tolerances for thickness, width, camber, shape, etc., for hot-dip galvanized sheet are presented in Specifications. Specific product designations for hot-dip coated galvanized sheet are listed in ASTM or Japanese Specification.
A broad range can be expected because the final sheet thickness has a significant influence on the mechanical properties and formability. Normally, the yield strength value tends to increase and the formability values tend to decrease as the steel sheet thickness decreases.
Surface Treatment
Steel Galvanized Sheet can be specified with five types of surface treatment:
1. Chemical Treatment: consists of the application of a thin, relatively invisible, corrosion-inhibiting inorganic chemical film on the zinc surface.
2. Oil: Oil is generally used instead of a chemical treatment to protect the surface when the product is intended to be painted. In these applications, the sheet must be thoroughly cleaned to remove the oil prior to painting.
3. Chemical Treatment and Oil: A combination of “chemical treatment and oil” can be specified when the effectiveness of the chemical treatment is desired for humid-storage stain resistance and an oil is needed for enhanced formability.
4. Dry: Galvanized sheet is ordered “dry” if neither chemical treatment nor oil is compatible with the customer’s requirements.
5. Phosphatized: The phosphate treatment is a relatively thick, dense, crystalline deposit of hydrated zinc phosphate compounds on the galvanized surface. After phosphating, the surface has a dull gray appearance.
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