Gnee Steel (Tianjin) Co., Ltd. is one of the most reliable manufacturers and suppliers of g90 galvanized steel in China. Welcome to wholesale customized g90 galvanized steel at low price from our factory. If you have any enquiry about free sample and cheap products, please feel free to email us.
G90 steel:
G90 galvanized steel coils are cold-rolled steel sheets hot-dipped in zinc coating for increased durability. Specifically, these galvanized steel coils should have a triple-spot test (TST) average minimum zinc coating weight of 0.90 ounces per square foot on both sides or a minimum of 0.32 ounces per square foot on each side.
Meanwhile, if it's under a single-spot test (SST), the steel must have an average minimum coating weight of 0.80 ounces per square foot on both sides.
The standard rule for protective coating is that the heavier the coating, the higher its durability. Hence, G90 galvanized steel coil has the most extended service life compared to other coating designations, G60, G40, and G30. Products under the G90 specification are primarily used in high moisture environments because they have higher resistance to corrosive environments.
| Size | 0.12mm-3.0mm 610mm-1250mm |
| Steel Grade | SGCC, SGHC,Q195.Q235,ST12,DX51D / DX52D/ DX53D/ S250,S280,S320GD |
| Zinc coat | 30G/M2-275G/M2,40g,80g and 100g are regular export standard |
| Coil ID | 508MM or 610MM |
| Surface treatment | Passivation/skin pass/oiled,Zero Spangle / Mini Spangle / Regular Spangle / Big Spangle,Chromed / skinpass/ oiled/slightly oiled/ dry |
| Standard | JIS 3302 / ASTM A653 /EN10143 AISI , ASTM , DIN , GB , JIS , BS |
| Spangle | Small/ Regular/ Big/ Zero(no) |
| Certification | ISO9001, SGS, BV,TUV |
| Material | Commercial / Drawing / Deep Drawing / Structural quality |
| Application / Usage | Industrial panels, roofing and siding for painting, PPGI COIL,CONSTRUCTION,THE MANUFACTURING SHIPS,CARS,CONTAINERS,HOUSEHOLD ELECTRIC APPLICANCES,HARDWARE,INTERIOR DECORATION |
G90 refers to the coating type and the weight of the coating layer applied to the steel coil or sheet.
'G' means the coating is galvanized, which means zinc-coated. Meanwhile, the number '90' stands for the weight of the zinc applied to the steel. Manufacturers measure the coating weight using the unit ounces per square foot (oz/ft2).
The coating designation G90 simply means that the two-sided zinc-coating on the steel weighs 0.90 ounces per square foot.
Galvanized steel is mild steel with a zinc coating. Zinc protects steel by providing cathodic protection to the exposed steel, so if the surface is damaged, the zinc will corrode preferentially over the steel. Galvanized steel is one of the most widely used products and is widely used in the construction industry, automotive, agriculture and other areas where steel needs to be protected from corrosion.
Hot-dip galvanizing, or HDG, is a process in which zinc bonds to steel at a molecular level to create a four-layer corrosion-resistant surface. The first three layers are zinc-iron alloy layers that are actually harder than the base steel. The fourth or top layer is pure zinc.
Packing Details:
Standard Export Packing:
4 eye bands and 4 circumferential bands in steel
Galvanized metal fluted rings on inner and outer edges
Galvanized metal and waterproof paper wall protection disk
Galvanized metal and waterproof paper around circumference and bore protection
About the sea worthy packaging: extra reinforcement before shipment to ensure that the goods are safer and less damaged to customers.
Customer case:
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