About this public category
A public category for gunmetal alloys such as valves and pump components.
Highest price for high-grade gunmetal with minimal steel, rubber or plastic attachments.

Price trend. Low ¥1,570/kg, high ¥1,600/kg, current ¥1,600/kg.
Each public category contains multiple internal grades. Sub-grade prices and calculations are not published; final classification and price are determined by physical assessment.
A public category for gunmetal alloys such as valves and pump components.
Attached, plated or mixed-material pieces receive a separate assessment.
Highest price for high-grade gunmetal with minimal steel, rubber or plastic attachments.
Separate different materials and remove liquids, oil and hazards. If uncertain, send LINE photos showing the whole load and attachments.