Quality control:

Relying on the quality management system, Thai Ductile Industry Group ensures the product quality by applying close in-process controls and extensive testing and inspection with accurate equipment and strict criteria

Section	Parameter monitored and controlled
Sand	Properties Teste, Moisture, Clay content, Grain fineness, hardness, Strength, Shear, Impact
Pig iron, scrap iron	Spectrometer
Molding	scratch hardness
Melting	Carbon Equivalent, Spectrometer
Pouring	Test bars for bending test & Chill
Material test	Test bar for Brinell & Tensile, Metallurgical Microscope
Finished product	Fluorescent inspection X-ray inspection Dimensional layout Ultra-sonic testing Visual inspection

Solid proof: certificates

I . Quality Management System Certificate: ISO 9002:1994 in Dec 1999 from URS. ISO 9001-2000 since Dec 2001 from URS.
II. Approval of Material Manufacture of Nudular cast iron according to EN1563& Lamella cast iron according to En 1561 since October 2000 from Germanisher Lloyd.
III. Approval of Manufacturer Certificate according to Det Norske Veritas 's Rules for Classification Pt.2 for the Iron casting since October 2000.
IV. Lloy's Register for Casting in Spheroidal Graghite Iron since October 2000.
V. PED Certificate of Nudular cast iron according to EN 1563& Lamella cast iron according to En 1561 (for Valves) in May 2004 from Germanischer Lloyd.
VI. AD2000-Merkblatter W 3/2 certificate for Cast iron materials, spheroidal-graphite cast iron, & non-alloy and low alloy materials for pressure vessels, October 2000 edition from Germanischer Lloyd.

---

About us | Capabilities | Facilities | Products | Quality | Contact

Best viewed with Microsoft Internet Explorer 5.0 or up