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Copper-nickel CuNi30(B30)

2024-10-18 09:25:48 浏览次数： 0

Standardization:		Numberical Symbol:
GB/T9460-2008		SCu7158
AWS A5.7:2007		ERCuNi
BS EN ISO24373:2009		CuNi30Mn1FeTi
DIN 1733		SG-CuNi30Fe

AWS Chemical Composition:		%
Cu incl.ag		bal.
Mn		1.00
Fe		0.40-0.75
Si		0.25
Ni incl.Co		29.00-32.00
P		0.02
Pb		0.02
Ti		0.20-0.50
Total others		max 0.50

Physical properties of materials:
Density	Kg/m^3	8.9
Melting range	℃	1180-1240
Thermal conductivity	W/m.K	30
Electrical conductivity	S.m/mm^2	2.7-3.3
Coefficient of thermal expansion	10^-6/K(20-300℃)	17.3

Standard values of the weld metal:
Elongation	%	36
Tensile strength	N/mm^2	420
Notched bar impact work	J	240
Brinell hardness	HB 2.5/62.5	115

Applications:
Used for welding of wrought to themselves or to each other. These filler metals also are used for welding the clad side of copper nickel clad steel. Preheating gernerally is not necessary. Welding is done in all positions.recommended. Good corrosion resistance.

Make up:
Diameter:1.00 - 1.20 - 1.60 -2.40
Spools:D300
Rods:1.60 - 9.6 mm x 914/1000 mm
Further make ups on request.