www.thaikoon.co.th

Thai Koon Steel Company  has been in steel business for more than 30 years.  The company manufactures steel pipes, slotted angles, and  steel chains.  The manufacturing processes conform  to both domestic and international standards as find below.

• Proof Coil Chain Grade 30 comforms to the National Association of Chain Manufacturers, ASTM / ANSI 413 GRADE 30
• Slotted Angles conforms to Thai Industrial Standards (TIS) under trademark  HWI.   The Slotted Angles with trademark HWI  is the only one brand  in Thailand  which is certified by Thai Industrial Standards (TIS).
• Steel Pipes for general structural purposes conforms to various international standards such as  JIS G 3445 STKM and ASTM A-500 etc. Mill Test Certificate can be issued upon request. Find below are the testing processes.  
  
• LEAK Testing :  Hydrostatic testing
• DESTRUCTIVE Testing : Flattening tensile test and bending
• CHEMICAL Tests.