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NB-CuZn-C R (bare)
AWS Specification: RbCuZn-C
JIS Specification: NA
Other Specification: COPPER & BRONZE ALLOYS

Braze welding of copper, steel and cast iron. Melting poitn is around 890 degrees C.

CHEMICAL COMPOSITION OF WELD METAL (%):

Cu Sn Fe Si Zn
56.0-60.0 0.80-1.10 0.25-1.20 0.04-0.15 BALANCE

MECHANICAL PROPERTIES OF WELD METAL:
Tensile Strength: 386 N/mm2 or 56 ksi
Hardness: 80-110 HB
Melting point: 890 deg C, 1630 deg F

sizes: 1.6 - 4.0mm