Steel Coils - Zinc Coated, 0.20 To 1.2 Mm Thickness, 900 To 1250 Mm Widths | Astm 755 Standard, High Corrosion Resistance, Durable Paint Finishes

We are offering a wide range of Steel Coils at very reasonable price.

Reference standard: ASTM 755
0ther containing standards :JIS G3312, IS 14236, ECCA
Strip thickness mm :0.20 to 1.2 0
Strip widths mm : 900 to 1250
Substrate material :Zinc coating as per ASTM A 653/A 653M with steel base as per ASTM std
Substrate Coating mass gms/m2,Substrate coating mass class: 80 to 275 Z120; Z150; Z180 and Z275 as per ASTM std
Or
As mutually agreed Grade designation
Gr 50/ Gr 80/CS type A, B as per ASTM std
Yield strength Mpa min
Tensile strength Mpa min: 340 for Gr 50 & 550 for Gr 80
410 for Gr 50 & 570 for Gr 80
Paint type : Regular Polyester/Silicon Polyester/PVDF
Paint coating thickness (DFT)
Top coat 18 to 22 microns (+5 microns primer)
Back coat 5 to 8 (including primer)
Digital DFT meter accuracy
Accuracy +/- 2% of reading) as per ASTM A 153
Pencil hardness
H or Harder Gloss
15-80% at 60 degrees ASTM D 523
Resistance to chalking QUV
ASTM D 53: 1000 HRS a rating a 4 for PVDF, 750 HRS a rating a 4 for others
Resistance to corrosion :( ASTM B 117)
500 HRS with blister density a 2, creepage a 2 mm.
Resistance to Humidity: 1000 HRS blister density a 2 (ASTM D 2247)
Resistance to color change QUV- ASTM G 53
2000 HRS (delta E a 5 unit) for PVDF
1000 HRS (delta E a 5 unit) for others
Flexibility
4 T- (ECCA) a no cracking
Resistance to abrasion
a 20 mg as per 100 cycles