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รายละเอียดสินค้า:
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| Grade: | A653 CSB | Width: | 1000-2000mm |
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| Length: | 2000-6000mm | Spangle: | Zero Spangle, Regular Spangle |
| Technique: | Cold Rolled | surface treatment: | chromated and oiled |
| เน้น: | hot dipped galvanized steel coils,galvanised steel coil |
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galvanized steel coils are produced by immersing steel in a zinc bath. An appropriate galvanizing process requires a pretreatment process during which the steel passes through different baths which prepare the surface for zinc coating. In this stage, chemicals are used to clean the surface of the steel. After the chemical treatment, the steel coils pass through a bath of melted zinc at temperatures around 460 ° C. The resulting uniform coating is finished through a process of skin-passing to provide smooth and shiny appearance of the finished product. To store for a longer period, the hotdip galvanized coils can be delivered with a final oil coating, according to the customer’s demand.
| product name | galvanized steel coils |
| thickness | 0.135mm-4.0mm |
| width | 600mm-1500mm762mm,914mm,1000mm,1200mm,1219mm,1250mm |
| zinc coating | 40g,60g, 80g, 90,100g, 120g, 140g,180g, 200g, 250g, 275g and so on. |
| standard | ASTM, AISI, DIN, GB |
| material |
SGCC,DC51D,DX51D,DX52D,,SGCD,Q195,Q235,SGHC,DX54D, S350 GD, S450 GD,S550 GD |
| spangle | zero spangle, regular spangle or normal spangle |
| surface treatment | chromated and oiled, chromated and non-oiled |
| packing | export standard. |
| payment | T/T, L/C or DP |
| min order | 25 tons (one 20ft FCL) |
| coil weight | 3-8ton or as client requirement. |
| quality | soft or hard quality |
| STEEL GRADE | CHEMICAL COMPOSITION % | MECHANIC PROPERTY | C.B OF COATING | COATING | |||||||||
| C | Si | Mn | S | P | T.S | Y.S | E.L | ||||||
| x103 | x103 | x102 | x103 | x103 | Mpa | Mpa | % | d=0 180° | G/M² | ||||
| JIS G3302 SGCC | 12 | 30 | 41 | 31 | 21 | 480 | 300 | 13 | OK | Z60-150 | |||
| JIS G3302 SGCH | 12 | 10 | 21 | 18 | 8 | 680 | 650 | OK | Z60-150 | ||||
| ASTM A653 CS.B | 20 | 30 | 60 | 35 | 30 | 386 | 205~380 | 20 | OK | Z80-275 | |||
| DX51D+Z | 29 | 21 | 18 | 1.8 | 11 | 355 | 245 | 38 | OK | Z80-275 | |||
| G550 | 20 | 6 | 73 | 5 | 17 | 715 | 654 | 8 | OK | Z80-275 |
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