JSI Galume

Supply TypeManufacturer, Exporter, Supplier, Retailer
Preferred Buyer Location All over the world

Introduction JSI Galume is based on the technology of manufacturing a very new coated product. This alloy coating consists of 55% Aluminum and 43% Zinc and the balance contains Silicon around 1.5% to....

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J.s.international

Baba Kharak Singh Marg, Delhi

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Member Since 14 Years
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Introduction

JSI Galume is based on the technology of manufacturing a very new coated product. This alloy coating consists of 55% Aluminum and 43% Zinc and the balance contains Silicon around 1.5% to affect excellent adhesion to the steel substrate.

Galume Production Technology:
This coating is given on the cold rolled substrate processed from selective Hot rolled coils with selective chemistry for getting the desired mechanical properties specified by the customers. The Galume product is made by the continuous hot dip process. The cold rolled coils are welded end to end and passes through 3 stage degreasing section for achieving excellent cold rolled strip surface. The coating system is 2 pot system- pre-melting pot and the main coating pot. The bath chemistry is continuously controlled and monitored at the pre melting pot which continuously feeds the main coating pot through the refractory tunnel.


Quality control:
We test in full fledged laboratories with test equipments- Emission spectroscope for the chemical analysis, computerized Universal testing machine with stress-strain graph for tension tests, surface finish tester, Hardness testers using both Vickers and Rockwell scales, LFQ testing machine, Cupping tester, on line Radiometric and off line chemical lab for coating mass, salt spray tester for corrosion resistance, and Humidity chamber.

Parameters	Technical details/specifications/Stds
Product name	JSI RAINBOW PLUS
Reference standard	ASTM 755
Other containing standards	JIS 3322, ECCA
Strip thickness mm	0.20 to 1.2 (< 0.20 & above 1.2 in special cases)
Strip width mm	900 to 1250
Substrate material	Galume coating as per ASTM A 792/A 792M with steel base as per ASTM std
Substrate Coating mass gms/m2 Substrate coating mass class	70 to 165 AZM 150/165 as per ASTM std
Grade designation	Gr 50/ Gr 80/CS type A, B as per ASTM std
Yield strength Mpa Tensile strength Mpa	340 min for Gr 50 & 550 min for Gr 80 410 min for Gr 50 & 570 min for Gr 80
Paint type	RMP/HDP/SMP/PVDF
Paint coating thickness (DFT)	Top coat 18 to 22 microns (+5 microns primer) Back coat 5 to 8 microns ( 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	2000 HRS –rating =4 for PVDF, 1000 HRS –rating =4 for others
Resistance to corrosion (ASTM B 117)	1000 HRS with blister density =2, creep-age =2 mm
Resistance to Humidity	1000 HRS blister density = 2 (ASTM D 2247)
Resistance to color change QUV- ASTM G 53	2000 HRS (delta E = 5 unit) for PVDF 1000 HRS (delta E = 5 unit) for others
Flexibility	4 T- (ECCA) - no cracking
Resistance to abrasion	=20 mg as per 100 cycles
Resistance to Acid/solvents	No discoloration/no blistering- ASTM D 1308
Product certification	All products are accompanied with MTC and packing list.
Quality System	ISO 9001 - 2000