Precision Alloy

FeNi Invar 36 wire offers near-zero thermal expansion from cryogenic to 500°F, ensuring dimensional stability for precision instruments. With 36% nickel content, it provides excellent strength and toughness. Custom sizes and certifications available for industrial sealing applications.

Precision manganin alloy strip with low resistance temperature coefficient and minimal thermal EMF. Ideal for high-accuracy resistors and measuring instruments. Available in 6J8 and 6J12 grades. Custom sizes offered.

High-precision 4J29 (Kovar) strip, 0.15mm thick and 20mm wide, designed for stamping IC framework shells and metal-ceramic seals. Matches borosilicate glass thermal expansion for reliable bonding. Ideal for vacuum tubes, relays, and integrated circuit leads. Custom sizes available.

Dumet wire with nickel-iron core and copper sheath ensures vacuum-tight glass-to-metal seals for lamps and diodes. Available in red, yellow, white, and bright finishes. Diameter 0.2-0.6mm. Customizable. Durable and efficient.

Dumet wire with nickel-iron core and copper sheath ensures vacuum-tight glass-to-metal seals. Available in bare, borax, or oxidized finishes. Diameter 0.2-0.6mm. Ideal for lamps, diodes, and capacitors. Custom options and fast delivery.

High permeability and low coercive force soft magnetic alloy strip. Ideal for transformers, relays, and magnetic shielding. Custom thicknesses from 0.05mm to 2.5mm. ISO9001 certified with 35 years of production expertise.