E 7018–H8
1230f ama 1230f

Alkaline electrode for welding non-alloy steels

AMA 1230F

AWS/ASME SFA–5.1: E 7018 - H8
DIN 1913 : E 51 54 B 10
EN 499 : E 42 3 B 42 H 10
ISO 2560 : E 423 B 42 H 10
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Application/properties:
Electrode for producing crack-free and tough welding joints; weld metal recovery is approx 115%. Smooth and clean welds blending into base metal without undercut. Good gap bridging properties, Welds are X-ray quality. suitable for depositing layers on steels having higher carbon content (up to 0.4).

Weld metal analysis in % (typical values):

C Mn Si S P
0.07 1.2 0.55 <0.02 <0.02

Mechanical Properties of all-weld metal:

(single values are typical values)

Tensile Strength
( N/mm 2 ) 		Yield Strength
( N/mm 2 ) 		Elongation
A5 (%) 		Impact energy (J)
ISO - V
20°C       -30°C+
500 – 640 > 420 > 22 140          90

Welding Parameters
Diameter (mm) Length (mm) Amperage (A)
2.5 350 65 – 90
3.25 450 100 – 140
4.0 450 140 – 190
5.0 450 190 – 250
6.0 450 260 – 340

Materials:

DIN Standard St 37-2 to St 60-2; St 37-3 to St 52-3; St 37.0 to ST 52.0; St 37.4 to ST 52.4; StE 210.7 to StE 360,7; StE 210.7 TM to StE 360.7 TM; St 35.8 to St 45.8; HI; HII; 17mn 4; GL-A 36 to GL-E 36; StE 255 to StE 355; WStE 255 to WStE 355; TStE 255 to TStE 355; TT ST 35 N; GS-38; GS-52
EN Standard S235JR to E335; S235J2G3 to S355J2G3; P235T1 to P355T1; P235T2; P355T2; L210 to L360NB; L290MB to L360MB; P235G1TH; P255G1TH; P235GH; P265GH; P295GH; S355G1S to S355G3S; S255N to S355N; P255NH to P355NH; S255NL to S355NL
ASTM Standard A27 a. A36 Gr. all; A214; A242 Gr. 1-5; A266 Gr. 1, 2, 4; A283 Gr. A, B, C, D; A285 Gr. A, B, C; A299 Gr. A, B; A328; A366; A515 Gr.60, 65, 70; A516 Gr.55; A570 Gr.30, 33, 36, 40, 45; A572 Gr.42, 50; A606 Gr. all; A607 Gr.45; A656 Gr.50, 60; A668 Gr. A, B; A907 Gr.30, 33, 36, 40; A841; A851 Gr. 1, 2; A935 Gr. 45; A936 Gr.50. APl 5 L Gr. B, X42 - X56

Redrying:

  •  required at 300°C to 350°C for 2 hours.

Approval:

LR, GL, BV, DNV