Specification

WELDING CONSUMABLES CATALOG ı 59
MECHANICAL PROPERTIES
(1)
– As Required per AWS A5.18/A5.18M: 2005
Yield Strength
(2)
Tensile Strength Elongation
Charpy V-Notch
J (ft•lbf)
MPa (ksi) MPa (ksi) % @ -29°C (-20°F) @ -40°C (-40°F)
Requirements - AWS ER70S-6
As-Welded with 100% CO
2
400 (58) min. 485 (70) min. 22 min. 27 (20) min. Not Specified
MIL-70S-6 per MIL-E-23765/1
As-Welded with CO
2
and 98% Ar/2% O
2
380-550 (55-80) 485 (70) min. 22 min. Not Specified Not Specified
MIL-70S-6 per MIL-E-23765/1
Stress Relieved 1 hr. @ 621°C (1150° F)
with CO
2
and 98% Ar/2% O
2
360 (52) min. 485 (70) min. 26 min. 27 (20) min. Not Specified
Typical Results
(3)
As-Welded with 100% CO
2
Stress Relieved 1 hr. @ 621°C (1150°F)
440
395
(64)
(57)
560
510
(81)
(74)
29
29
71
95
(52)
(70)
61
68
(45)
(50)
As-Welded with 75% Ar/25% CO
2
Stress Relieved 1 hr. @ 621°C (1150°F)
460
415
(67)
(60)
565
540
(82)
(78)
27
31
82
140
(60)
(103)
72
122
(53)
(90)
As-Welded with 90% Ar/10% CO
2
Stress Relieved 1 hr. @ 621°C (1150°F)
470
440
(68)
(64)
580
550
(84)
(80)
28
32
119
183
(88)
(135)
78
156
(57)
(115)
As-Welded with 98% Ar/2% O
2
Stress Relieved 1 hr. @ 621°C (1150°F)
455
415
(66)
(60)
565
545
(82)
(79)
27
34
122
190
(90)
(140)
108
176
(80)
(130)
(1)
Typical all weld metal.
(2)
Measured with 0.2% offset.
(3)
See test results disclaimer below.
(4)
Copper due to any coating on the electrode plus the copper content of the filler metal itself, shall not exceed the stated 0.50% max.
(5)
CTWD (Contact Tip to Work
Distance). Subtract 1/4 in (6.4 mm) to calculate Electrical Stickout.
(6)
Procedures in these areas are procedures for short circuiting mode using 100% CO
2
. When using 75% Argon, 25% CO
2
for short circuit transfer, reduce voltage by 1 to 2 volts.
TYPICAL OPERATING PROCEDURES
Diameter, Polarity
Shielding Gas
CTWD
(5)
mm (in)
Wire Feed Speed Voltage
(volts)
Approx. Current
(amps)
Melt-Off Rate
m/min (in/min) kg/hr (lb/hr)
0.025 in (0.6 mm), DC+
Short Circuit Transfer
100% CO
2
9-12
(3/8-1/2)
2.5
6.4
(100)
(250)
17
19
35
80
0.4
0.9
(0.9)
(2.0)
0.030 in (0.8 mm), DC+
Short Circuit Transfer
100% CO
2
9-12
(3/8-1/2)
1.9
3.8
7.6
(75)
(150)
(300)
17
18
22
35
70
130
0.4
0.8
1.6
(0.9)
(1.8)
(3.6)
0.035 in (0.9 mm), DC+
Short Circuit Transfer
100% CO
2
(6)
9-12
(3/8-1/2)
2.5
3.8
6.4
(100)
(150)
(250)
18
19
22
80
120
175
0.7
1.1
1.8
(1.6)
(2.4)
(4.0)
Spray Transfer
90% Ar/10% CO
2
12-19
(1/2-3/4)
9.5
12.7
15.2
(375)
(500)
(600)
23
29
30
195
230
275
2.7
3.6
4.4
(6.0)
(8.0)
(9.6)
0.045 in (1.1 mm), DC+
Short Circuit Transfer
100% CO
2
(6)
12-19
(1/2-3/4)
3.2
3.8
5.1
(125)
(150)
(200)
19
20
21
145
165
200
1.5
1.8
2.5
(3.4)
(4.0)
(5.4)
Spray Transfer
90% Ar/10% CO
2
12-19
(1/2-3/4)
8.9
12.1
12.7
(350)
(475)
(500)
27
30
30
285
335
340
4.2
5.7
6.0
(9.2)
(12.5)
(13.2)
0.052 in (1.3 mm), DC+
Spray Transfer
90% Ar/10% CO
2
12-19
(1/2-3/4)
7.6
8.1
12.3
(300)
(320)
(485)
30
30
32
300
320
430
4.8
5.2
7.8
(10.7)
(11.5)
(17.1)
1/16 in (1.6 mm), DC+
Spray Transfer
90% Ar/10% CO
2
12-25
(1/2-1)
5.3
6.0
7.4
(210)
(235)
(290)
27
28
29
325
350
430
4.8
5.4
6.7
(10.7)
(12.0)
(14.8)
MIG (GMAW) WIRE
SuperArc
®
L-56
®
(AWS ER70S-6)