ERNiCu-7

Description
ERNiCu-7 has good strength and resists corrosion in many media, including seawater, salts, and reducing acids. And it can be used to overlay over carbon steel, provided a buffer layer of ERNi-1 is used for the first layer. This alloy is not age hardnable and when used to join Monel K-500 has lower strength than the base metal.. It can equivalent to: Oxford Alloy 60  FM 60 , Techalloy 418.

Applications
Dissimilar welding applications include joining alloys to Nickel 200 and copper-nickel alloys. Widely used in marine applications because of its good resistance to the corrosive effects of seawater and brackish waters. Can be used for MIG overlay on steel after a first layer with nickel 208.

Product Details
Chemical composition

Grade	Chemical composition(%)
ERNiCu-7	C	S	P	Si	Mn	Ni
	≤0.15	≤0.015	≤0.02	≤1.25	≤4.0	62~69
	Al	Cu	Ti	Fe	Others
	≤1.25	Bal	1.5~3.0	≤2.5	＜0.5

Mechanical properties

Tensile Strength	Yield Strength	Elongation
530Mpa	360Mpa	34%

Welding paramaters

Process	Diameter	Voltage	Amperage	Gas
TIG	.045”     (1.2mm)	13-16	80-110	100% Argon
	1/16”     (1.6mm)	14-18	90-130	100% Argon
	3/32”     (2.4mm)	15-20	120-175	100% Argon
	1/8”      (3.2mm)	15-20	150-220	100% Argon
MIG	.045”     (1.2mm)	28-32	180-220	75% Argon + 25% Helium
	1/16”     (1.6mm)	29-33	200-250	75% Argon + 25% Helium
SAW	3/32”     (2.4mm)	28-30	275-350	Suitable Flux may be used
	1/8”      (3.2mm)	29-32	350-450	Suitable Flux may be used
	5/32”     (4.0mm)	30-33	400-550	Suitable Flux may be used

 

Specifications
AWS 5.14 Class ERNiCu-7 / ASME SFA 5.14 Class ERNiCu-7 ASME II, SFA-5.14 UNS N04060 Werkstoff Nr. 2.4377 ISO SNi4060 Europe NiCu30Mn3Ti.