Stainless Steel

A: Silica sol investment casting produces a much smoother as-cast surface finish and tighter dimensional tolerances (typically ISO 8062-CT6). It significantly reduces subsequent machining allowances and eliminates the surface cracking issues often associated with water glass binders.

A: Every single raw material melt is analyzed using optical emission spectrometry prior to pouring. We supply an EN 10204 3.1 Material Test Certificate (MTC) with every shipment, detailing the exact chemical composition of that specific heat.

A: Yes. Our engineering team reviews STEP, IGES, or SolidWorks drawings to evaluate draft angles, wall thicknesses, and gating positions, providing feedback to optimize the part for investment casting before tool manufacturing begins.

A: For parts exposed to saltwater or marine atmospheres, we recommend AISI 316 or Duplex 2205 alloys, followed by chemical passivation (acid pickling) to remove surface free iron, and optional mechanical electro-polishing or mirror finishing.

A: MOQs vary depending on the part size and weight, but we generally accommodate custom production runs starting from 500 to 1,000 units per batch to balance tooling setup costs and manufacturing efficiency.

A: Parts are wrapped individually in protective polyethylene bags, packed densely into reinforced 5-ply export cartons, and secured onto fumigated plywood pallets with plastic stretch wrap and strapping to prevent shifting during international shipping.