About Us

Company Background Siam Metal Works Industries Company Limited.

Established in 1991, is the leading expert in Cable Tray Systems manufacturing with
a registered capital of 20 million Baht. Our factory is of a high standard locating on the
spatious area of 9,100 square meters, equipped with modern machinery, production
system controlled by computers and a group of long experienced production team-work.
We put strong emphasis on quality of our works as well as quickness amd prompt
services to ensure total satisfaction for all our customers

Standard & Certificate

SMC ensures our material minimum yield and tensile strengths of applicable NEMA standards. All cable tray side rails,rungs and splice plates are nimbered for material trace ability, and uniquely formed to increase strength and withstand abuse.

Codes and Standard of raw materal
Material Material Specification Advantage
Steel ASTM A 570 &A611 (plain steel) Electric shielding, finish option,
Electrogalvanized ASTM A 446 (Pre-Galvanized) low thermal expansion
Galvanized sheet Corrosion resistant
Aluzinc sheet JIS G 3302-1991 highty corrosion resistant Oxidation resistant at high temperature, and galvanixic protection
Stainless SS 304, SS316 Extremely high corrosion
Codes and Standard of epoxy painting
Item Specification Result Test Method
Impact resistant There shall be no craks or peels.(5/8" 0x3 ibs x 50") Pass ASTM D 2974
Erichsen Test 5mm. or more Pass ISO 1520
Bend Test There shall be no craks or peels.(5mm, in diameter) Pass ISO 1519
Pencil Hardess Mitsubishi Uni HB-2H Pass ASTM D3363-05
Adhesion 2mm., cross-cut 100/100 or GT-01 Pass ISO 2409
UV Resistant Color and gross stability Density 1.2-1.7 Kg/dm3 Pass ASTM D5894
Corrision Protection Heat Resistant Pass ASTM B117-73
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