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GPR-300 H
High Recovery Electrode for Mild Steel Identification:
Imprint
Unitor GPR-300 H / 7024 Classifications
SFA/AWS A 5.1
EN-ISO 2560-A
E 7024
E 42 0 RR 73
Approvals
Type of current
DNV
GL
LR
BV
ABS
2
2Y
2Y
2Y
2
AC DC+/-
Welding positions
PA
Materials to be welded
3.01
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
Welding data
PB
General structural steel
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. 0.12
0.45 - 0.95
0.25 - 0.65
Tensile strength MPa
Yield strength MPa
Elongation %
Impact value ISO-V (J)
Recovery %
555
480
26
At -20°C = 50
180
Diameter mm.
Current range, A
3.2 4.0 5.0 6.0
130–170 180–230 250–340
300–430
Arc time **/ Deposition rate** Electrodes per electrode, sec.
Kg/h kg weld metal** 69 69 68 72
Fume class
2.5 3.8 5.8 7.5
21.0 13.5 9.1 6.6
2 2 3
4
* 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
3.2 4.0 5.0 6.0
450 450 450 450
85 51 35 23
5.8 5.5 5.6 5.3
095-699231 095-699249 095-699256 095-699260
3 3 3
3
Re-drying temperature: Normally no need.
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