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SPECIAL-303 N
LMA
Double Coated Electrode for Mild and Ship Quality Steel
Elect
rode
Identification:
Imprint
Unitor SPECIAL-303 N / 7016 Classifications
SFA/AWS A 5.1
EN-ISO 2560-A
E 7016
E 38 2B 32 H10
Approvals
Type of current
DNV
GL
LR
BV
ABS
3YH10
3YH10
3YH15
3, 3YH10
3H10, 3Y
AC DC+
Welding positions
PA
Materials to be welded
3.01
Welding data
PC
DIN 17100 NF A35-501 BS 4360 Ship plates Cast steel DIN 1681 BS3100 Pipe material DIN 17172 API 5 LX DIN 1626-1630 Boiler & pressure DIN 17155 vessel steel NF A36-205 NF A36-207
BS 1501
Elevated temperature steel DIN 17175 Fine grained steel DIN 17102
NF A 36-203
All weld metal composition
Typical mech. properties of weld metal
PB
General structural steel
PF
PE, PD
St33, St37-2 to St52-3 A33, A34-2, E24-2 (–4) to E36-2 (–4)
Grade 43D, 50D
Grade A, B, C, D, E, AH, DH, EH
GS38, GS45, GS52
A1, A2, A3, AM1, AM2, AW1 StE210.7, StE240.7, StE290.7, StE320.7, StE360.7
X42, X46, X52, X60
St37.0/4, St44.0/4, ST52.0/4 HI, HII, 17Mn4, 19Mn5 A37 (CP, AP), A42 (CP, AP), A48 (CP, AP), A52 (CP, AP) A510 AP, A530 AP, A550 AP 151/154/161-Gr. 360/400/430, 164-Gr. 360/400 St.35.8, St.45.8
St.E255 to St.E420
E275 D, E344D, E390D, E430D, E455D
C
Mn
Si
max. 0.10
0.70 - 1.20
0.30 - 0.70
Tensile strength MPa
Yield strength
MPa
Elongation Impact value % ISO-V (J)
530
420
Diameter mm.
Current range, A
2.0 2.5 3.2 4.0
40-80 50–90 90–150 120–190
28 At –20°C = 120
Arc time **/ Deposition rate** Electrodes per electrode, sec.
Kg/h kg weld metal** 75 54 57 79
Fume class
0.6 0.9 1.4 1.9
143 77 46 24
2 2 2
3
* SDS available on request. ** 90% of max. amperage
Packaging data
Diameter mm.
Length mm.
Electrodes per box
Net weight, kg per box
Product No.
per box
Boxes per carton
2.0 2.5 3.2 4.0
350 350 350 450
115 200 120 75
1.7 4.1 4.1 5.2
095-699199 095-699207 095-699215 095-699223
6 3 3
3
Re-drying temperature: 300 °C (572 °F) for two hours.
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