MCU Si3

Datasheet

Standards

AWS/ASME SFA - 5.7	ERCuSi-A
EN ISO 24373	S Cu 6560 (CuSi3Mn1)
TS EN ISO 24373	S Cu 6560 (CuSi3Mn1)
DIN M. No.	2.1461

Properties and Applications

3% Silicon alloyed copper wire electrode for GMA (MIG) welding of copper(Cu), Cu-Si (silicon bronze), Cu-Zn (brass) and as well as surfacing of unalloyed or medium alloyed steels or cast irons. Due to less Zn burn and corrosion resistant weld metal, suitable for joining of galvanized steels. Resulted Zn burn is less and weld metal is corrosion resistant in galvanized steels. For large workpieces e.g. thicknesses exceeding 5 mm, a preheat at about 250°C is recommended.

Typical Chemical Features of the Welding Wire

Type of Analysis	Si	Mn	Cu
Welding Wire	2.90	0.80	96.30

Type of Analysis

Welding Wire

2.90

0.80

96.30

Typical Physical Analysis of the Weld Metal (%)

Density (gr/cm³)	Conductivity (Sm/mm²)
0.00	0.25-0.28

Typical Mechanical Values of Weld Metal(%)

Test Condition	Protection Gas	Yield Strength (N/mm²)	Tensile Strength (N/mm²)	Elongation A5 (%)	Hardness (HB)
As welded	I1	120	350	40	80

Test Condition

Protection Gas

Yield Strength (N/mm²)

Tensile Strength (N/mm²)

Elongation A5 (%)

Hardness (HB)

As welded

120

350

* Chemical compositon and mechanical properties are valid when using shielding gas EN ISO 14175 - I1 (%100 Ar) .

Application Information

Welding Positions :

Polarity:

DC(+)

Protection Gas:

I3 I1 I2

Welding Parameters & Efficiency :

Packaging Information

Product Code	Diameter (mm)	Weight Of The Box (kg)	Boxes Per Package	Weight Of The Package	Packaging Type
25003B1JM2	0.80	200.0	1	207.5	Drum
25003BAKM2	0.80	1.0	14	15.7	Plastic Spool (D100)
25003BBAM2	0.80	5.0	1	5.3	Plastic Spool (D200)
25003BHAM2	0.80	15.0	1	15.8	Plastic Spool (D300)
25003D1JM2	1.00	200.0	1	207.5	Drum
25003DAKM2	1.00	1.0	14	15.7	Plastic Spool (D100)
25003DBAM2	1.00	5.0	1	5.3	Plastic Spool (D200)
25003DHAM2	1.00	15.0	1	15.8	Plastic Spool (D300)
25003EHAM2	1.20	15.0	1	15.8	Plastic Spool (D300)

Storage & Re-Drying Information

>Shouldn t be exposed to high statical load and impact.