Complaint
Material | SGCC,SGCH,G350,G450,G550,DX51D,DX52D,DX53D | |||
Thickness | 0.12-4.0mm | |||
Width | 20-1250mm | |||
Zinc coating | Z40-275g/m2 | |||
Hardness | Soft hard(60),medium hard(HRB60-85),full hard(HRB85-95) | |||
Surface structure | Regular spangle, Minimum spangle, Zero spangle, Big spangle | |||
Surface treatment | Chromated/Non-Chromated, Oiled/Non-oiled, Skin pass | |||
Package | Covered with a layer of plastic film and cardboard,packed on the wooden pallets/ iron packing,bound with iron belt,loaded in the containers. | |||
Price Terms | FOB, EXW, CIF, CFR | |||
Payment Terms | 30% TT for deposit,70% TT /70% LC at sight balance before shipment | |||
Shipment time | 7-15 working days after the receipt of 30% deposit | |||
STEEL GRADE | CHEMICAL COMPOSITION % | MECHANIC PROPERTY | C.B OF COATING | ||||||
C | Si | Mn | S | p | T.S | Y.S | E.L | ||
x103 | x103 | x102 | x103 | x103 | Mpa | Mpa | % | d=180 | |
JIS G3302 SGCC | 12 | 30 | 41 | 31 | 21 | 480 | 300 | 13 | OK |
JIS G3302 SGCH | 12 | 10 | 21 | 18 | 6 | 680 | 650 | 20 | OK |
ASTM 653 CS.B | 29 | 30 | 60 | 35 | 30 | 386 | 250-380 | 20 | OK |
DX51D+Z | 20 | 21 | 18 | 1.8 | 11 | 355 | 245 | 38 | OK |
G550 | 12 | 6 | 73 | 5 | 17 | 715 | 654 | 8 | OK |
Galvanized steel plate inspection
1. Size and shape measurement items: allowable deviation of thickness, width, length, unevenness, out of square degree and sickle bend.
2. Chemical composition test items: carbon content, sulfur content, manganese content, silicon content, phosphorus content, titanium content, aluminum content, niobium content, vanadium content, etc.
3. Physical performance test items: yield strength, tensile strength, elongation after breaking, R value, N value, tensile strain mark, baking hardening value, coating adhesion, coating weight, coating surface structure, surface quality, adhesion and corrosion resistance.
4. Environmental performance evaluation test items: lead content, content, cadmium content and hexavalent chromium content.
5, galvanized sheet brand identification
