CuSn 12

type 
Tin bronze alloy with high percentage of tin for virtually all welding procedures
Properties 

Very good deoxidisation and high hardness similar to cast bronzes.

Surfacing and joining of Copper and CuSn-alloys.
Widely used and recommended for oven soldering.

  • High quality alloyed copper wire
  • Sound, pore free deposits and good electrical conductivity
  • Good corrosion resistance against seawater
  • Excelelent sliding properties (bearings etc.)
classification
AWS 
A 5.7: no class
EN ISO 
24373: S Cu5410 - CuSn12P
DIN: W.Nr. 
2.1056
DIN 
1733: SG-CuSn12
Suitable for 

Tin bronze alloy with high percentage of tin for virtually all welding procedures. Very good deoxidisation and high hardness similar to cast bronzes. Surfacing and joining of Copper and CuSn-alloys. Widely used and recommended for oven soldering.

welding positions: 
weld metal analysis %

Cu

Sn

Si

P

rem

12.5

-

0.20

mechanical properties

Heat

RP0,2

Rm

A5

Impact Energy (J) ISO-V

Melting range

Hardness

Treatment

(N/mm2)

(N/mm2)

(%)

-20°C

-40°C

°C

HB

AW

350

825-990

120

AW: as welded
Paramètres de soudage / emballage

Welding Parameters

Packing

D (mm)

Voltage (V)

Current (A)

spool type

kg / spool

kg / 1000

0.8

25-26

80-140

KD-300

15

1080

1.0

26-27

130-200

KD-300

15

1080

1.2

27-28

185-245

KD-300

15

1080

Gas acc. EN ISO 14175
I1

Disclaimer: Whilst all reasonable efforts have been made to ensure the accuracy of the information contained, the information contained or otherwise referenced herein is presented only as “typical” without guarantee or warranty, and any liability incurred from any reliance thereon is expressively disclaimed. Typical data are those obtained when welded and tested in accordance to prescribed standards, and should not be assumed to be the expected results in a particular application or weldment. Other tests and procedures may produce different results. Users are cautioned to confirm by qualification testing, or other appropriate means, the suitability of any welding consumable and procedure before use in the intended application. The selection and use of specific products is solely within the control of, and remains the sole responsibility of the customer. The right to change design and/or specifications without notice is reserved.