Loading Port:China main port
Payment Terms:TT OR LC
Min Order Qty:5 m.t.
Supply Capability:100000 m.t./month
Process of galvanized steel coils
Pay off reel → double cut shear → welder-notcher → entry accumulator → pre cleaning section → furnace → hot bridle → zinc pot → air knife → after cooler → water quench → dryer → skin pass mill → dryer → tension leveler → dryer → chemical coater → chemical oven → cooler → exit accumulator → oiler → exit shear → tension reel.
Standard | AISI, ASTM, BS, DIN, GB, JIS, etc |
Grade | SGCC, DX51D, DX53D, DX54D, etc |
Thickness | 0.15-3.0mm |
Width | less than 1500mm |
Inner Diameter | 508/610mm |
Zinc Coating | 60g/m2-180g/m2 |
Coil Weight | 3-8 Tons |
Spangle State | regular spangle, small spangle, big spangle, non-spangle |
Surface Treatment | Chromate, Oil, Lacquer Seal, Phosphating, etc |
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 | |||
