Metal Grades & Identification

A step-by-step walkthrough of how scrap metal is turned back into usable metal — sorting, shredding, melting, refining, casting — across the main metal families.

Marine scrap in Singapore is specialized and high-value — bronze propellers, stainless piping, brass fittings, copper shafts. How marine yards can maximize recovery.

Catalytic converters contain platinum, palladium, and rhodium. Here’s how Singapore scrap value is calculated and what to expect.

Brass and bronze are both copper alloys but they scrap at different rates. Simple visual and weight tests to tell them apart.

304 and 316 stainless look identical but scrap at very different rates. How to tell them apart with a magnet, an acid test, and visual cues.