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ER - 12

Code :

1210

Tip Colour :

Yellow

Coating :

Rutile

Recovery :

90%

Correspondence :

AWS A5.1 :   E 60 13
DIN    1913 : E 51 22 RR 6
EN         499 :   E 42 0 RR 12
ISIRI 871 : E -222 R 21

Description :

This electrodes is very popular for all position welding except over head /\ and vertical down.
Good striking and restriking properties.
Excellent slag removal and arc transfer.
Excellent bead appearance without undercut.

Application :

Welding of low carbon steel sheet structures in ships, railway, cars, pressure tanks and general structural steel. It weld up to St 52 steel.

Typical chemical composition of weld metal. ( % )
C	Si	Mn
0.07	0.19	0.38

Typical mechanical properties of weld metal.
UTS ( N / mm² )	YP ( N / mm² )	EL ( % )	IV (J ) + 24^oC
> 450	> 380	> 20	> 70

Size available and recommended currents { AC or DC ( - ) }
Dia. ( mm )	3.20	4.00
L ( mm )	350	350
AMP. F	100~130	120~160
AMP. V & OH	90~120	110~150

Welding Steels
grades :

General structural steels :
St 33, St 37, St 37-4, St 44, St 44-4, St 52, St 52-4

Fine grained steels :
St E 255, St E 420

Elevated temperature steels :
St 35.8, St 45.8

Boiler and pressure vessel steels :
H1, H11, H111, 17 Mn 4, 19 Mn 6

Ship plates :
A-, D-

Cast steels :
GS-38, GS-45, GS-52

Note :

To have best use and keep the properties in a good condition, store in dry place.
In case of moisture, dry the electrode at 70 ~ 100^oC for 30 ~ 60 minutes before use.

Head Office: No. 29, 1St Floor, Mollaei St. , Valiasr Ave. Tehran-IRAN
Tel : +98(21)88890689 Fax : +98(21)88908767