Use and Care Manual

71
GMAW
www.lincolnelectric.com
Welding Guidelines for Stainless Steels
Welding Guidelines for Blue Max
®
GMAW ERXXXLSi Stainless Steel Electrodes
Diameter, in (mm)
Polarity, CTWD
(1)
Approximate Arc
Shielding Gas Wire Feed Speed Current Voltage Deposition Rate
Electrode Weight (in/min) (M/min.) (Amps) (Volts) (lbs/hr) (kg/hr)
Short-Circuit Transfer
120 3.0 55 19 - 20 2.0 0.9
150 3.8 75 19 - 20 2.5 1.2
180 4.6 85 19 - 20 3.0 1.4
205 5.2 95 19 - 20 3.4 1.6
0.035 (0.9) 230 5.8 105 20 - 21 3.9 1.8
DC+, 1/2” (13mm) 275 6.9 110 20 - 21 4.6 2.1
90% He/7-1/2% Ar/2-1/2% CO
2
300 7.6 125 20 - 21 5.0 2.3
0.279 lbs/1000” (5.11 g/m) 325 8.3 130 20 - 21 5.4 2.5
350 8.9 140 21 - 22 5.9 2.7
375 9.5 150 21 - 22 6.3 2.9
400 10.2 160 22 - 23 6.7 3.1
425 10.8 170 22 - 23 7.1 3.3
100 2.5 100 19 - 20 2.8 1.1
0.045 (1.1) 125 3.2 120 19 - 20 3.5 1.5
DC+, 1/2” (13mm) 160 3.8 135 21 4.2 1.7
90% He/7-1/2% Ar/2-1/2% CO
2
175 4.4 140 21 4.8 2.0
0.461 lbs/1000” (7.63 g/m) 220 5.6 170 22 6.1 2.6
250 6.4 175 22 - 23 6.9 2.9
275 7.0 185 22 - 23 7.6 3.2
Axial Spray Transfer
0.035 (0.9) 400 10.2 180 23 6.7 3.1
DC+, 5/8” (16mm) 425 10.8 190 24 7.1 3.3
96% Ar/2% O
2
450 11.4 200 24 7.5 3.5
0.279lbs/1000”, (5.11 g/m) 475 12.1 210 25 8.0 3.7
0.045 (1.1) 240 6.1 195 24 6.6 2.8
DC+, 3/4” (19mm) 260 6.6 230 25 7.2 3.0
98% Ar/2% O
2
300 7.6 240 25 8.3 3.5
0.461 lbs/1000”, (7.63 g/m) 325 8.3 250 26 9.0 3.8
360 9.1 260 26 10.0 4.2
1/16 (1.6) 175 4.4 260 26 9.2 4.3
DC+, 3/4” (19mm)
200
5.1
310
29
10.5 4.9
98% Ar/2% O
2
250 6.4 330 29 13.1 6.2
0.876 lbs/1000”, (16.14 g/m) 275 4.0 360 31 14.4 6.8
300
7.6 390 32 15.8 7.4
(1)
Contact Tip to Work Distance.