1188 N

 

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AWS/ASME SFA-5.5                    E 8018-G-H4

 

Application / Properties: Basic electrode for productiong crack free and tough welded joints. Weld metal is of high metallurgal purity with a very low hydrogen content. Easy releasable slag and good bead profile.

 

Weld metal analysis in %(Typical values):

C	Mn	Si	Mo	S	P
0.08	1.50	0.45	0.15	<0.02	<0.02

 

Mechanical Properties of all-weld metal :

 

Heat treatment	Yield Strength (N/mm2)	Tensile Strength (N/mm2)	Elongation A5(%)	ISO-V Impact energy (j) +200C      -300C
AW	>460	550-650	>22	>120              >50

 

Diffusible hydrogen content (DIN 8572): HD≤5 ml/100g

Amperage:
2.5Ǿ	3.25 Ǿ	4.0Ǿ	5.0Ǿ
65-90	90-130	140-180	190-230

Materials:

Unalloyed structural steels St37 to St 52-3, St 60-2 Boiler plates  Hi, HII, 17Mn4, 19Mn5 Ship building steels A , B , D , E

 

 

Rebaking : required at 300°C to 350°C for 2hrs.