What is the melting temperature?

1225 F Solidus / 1370 F Liquidus Starts to melt. / fully melted See www.brazing.com.

Chemical Composition % by weight Silver Copper Zinc Total other 44.0-46.0 29.0-31.0 23.0-27.0 0.15 max No lead in this product. Thanks for your interest in Aufhauser Products !

Can this be used for hvac refrigerant lines copper on copper or copper on brass?

Yes, I use it for steel to steel though

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🔥 Elevate your metalwork with silver precision — don’t settle for less!

CRAFTED IN THE USA - Aufhauser’s trusted manufacturing delivers consistent quality and reliability for demanding professionals.
FOOD SAFE INDUSTRY READY - Certified safe for food and beverage contact, ideal for plumbing, medical, and food processing equipment.
PRECISION SILVER ALLOY POWER - 45% silver ensures unmatched tensile strength and corrosion resistance for professional-grade joins.
VERSATILE METAL COMPATIBILITY - Perfect for copper, brass, steel, stainless steel, and cast iron—your all-in-one brazing solution.
EFFORTLESS FLUX COATED APPLICATION - Flux coating guarantees smooth flow and minimal heat input, saving time and energy on every project.

Aufhauser SilverAlloy 45% Ag Flux Coated Brazing Rods are premium, cadmium-free rods designed for high-strength, corrosion-resistant joins across multiple metals. Made in the USA, these 18" rods feature flux coating for easy application and meet AWS A5.8 BAg-5 standards, making them ideal for professional plumbing, HVAC, medical instruments, and food-safe applications.