1398 N

 

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EN 499                      E 46 61 Ni B 42 H5

DIN 8529                 E  SY 42 76 Ni B H5

AWS/ASME SFA-5.5            E 7018-G-H4

 

Application / Properties: Electrode for producing crack-free and tough welded joints. Weld metal is extremely metallurgical purity having a very low hydrogen content. Owing to its double covering (up to 3.25 mm SǾ), the electrode gas a stable and concentrated arc, thus being well suited or positional welding. Welds are of X-ray quality. CTOD-tested for offshore application.

 

Weld metal analysis in %(Typical values):

C	Mn	Si	Ni	S	P
0.06	1.20	0.30	0.95	<0.015	<0.015

 

Mechanical Properties of all-weld metal (Single values are typical values):

 

	Yield Strength (N/mm2)	Tensile Strength (N/mm2)	Elongation A5(%)	ISO-V Impact energy (j) +200C      -600C
AW SR	>460 >420	530-680 500-640	>22 >25	190              70 190              60

 

AW: as welded

SR: stress - relieved 15hrs./580C

 

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

Amperage:
2.5Ǿ	3.25 Ǿ	4.0Ǿ	5.0Ǿ	6.0Ǿ
65-95	90-140	140-185	180-250	210-310

Materials:

Unalloyed structural steels St33 to St 52.3, St 50.2,St 60.2, St 70.2 boiler plates Hl,Hll ,17Mn4, 19 Mn5 pipe steels to ST 52.4, St 35.8 to 17 Mn4, StE 210.7 to StE 415.7 Inclouding corresponding, TM-grades Fine grain structural steels StE 255 to StE 460, WStE 255 to WStE 460 EStE 255 to EStE 460, 15 MnNi 63 Shipbuilding Steels  A,B,D,E Cast steels    Gs-38 to GS-52

 

 

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