OK Autrod 12.51

ESAB

OK Autrod 12.51

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OK Autrod 12.51 is a copper-coated solid wire with higher levels of deoxidizers (manganese and silicon). The high content of deoxidizers allow welding over heavier amounts of dirt, rust, and mill scale while providing a more fluid puddle and smoother bead profile.


Typical Charpy V-Notch Properties

Impact Value Testing Temperature
as welded aws co2 (c1)
75 J (56 ft-lb) -30 degC (-22 degF)
as welded en 80ar/20co2 (m21)
120 J (89 ft-lb) -20 degC (-4 degF)
100 J (74 ft-lb) -30 degC (-22 degF)
90 J (67 ft-lb) -40 degC (-40 degF)
130 J (96 ft-lb) 20 degC (68 degF)
as welded en co2 (c1)
75 J (56 ft-lb) -30 degC (-22 degF)
110 J (81 ft-lb) 20 degC (68 degF)
stress relieved en 80ar/20co2 (m21)
90 J (67 ft-lb) 15 hr 620 degC (1148 degF) -20 degC (-4 degF)
120 J (89 ft-lb) 15 hr 620 degC (1148 degF) 20 degC (68 degF)

Typical Tensile Properties

Condition As Welded As Welded As Welded Stress Relieved
Shielding Gas EN CO2 (C1) AWS CO2 (C1) EN 80Ar/20CO2 (M21) EN 80Ar/20CO2 (M21)
Tensile Strength 540 MPa (78 ksi) 530 MPa (77 ksi) 560 MPa (81 ksi) 495 MPa (72 ksi)
Yield Strength 440 MPa (64 ksi) 430 MPa (62 ksi) 460 MPa (67 ksi) 370 MPa (54 ksi)
Elongation 25 % 30 % 26 % 28 %
Testing Time 15 hr
Testing Temperature 620 degC (1148 degF)

Deposition Data

Current Deposition Rate Diameter Voltage Wire Feed Speed
60-200 A 0.8-2.3 kg/h (1-5 lb/h) 0.8 mm (0.030 in.) 18-24 V 3.2-10.0 m/min (126-394 in./min)
80-300 A 1.0-5.5 kg/h (2-12 lb/h) 1.0 mm (0.040 in.) 18-32 V 2.7-15.0 m/min (106-591 in./min)
120-380 A 1.3-8.0 kg/h (2-17 lb/h) 1.2 mm (0.047 in.) 18-35 V 2.5-15.0 m/min (98-591 in./min)
30-100 A 0.7-1.7 kg/h (1-3 lb/h) 0.6 mm (0.025 in.) 15-20 V 5.5-13.0 m/min (217-512 in./min)
225-550 A 2.1-9.4 kg/h (4-20 lb/h) 1.6 mm (1/16 in.) 28-38 V 2.3-10.0 m/min (91-394 in./min)
70-250 A 0.9-3.5 kg/h (2-7 lb/h) 0.9 mm (0.035 in.) 18-26 V 3.0-12.0 m/min (118-472 in./min)
100-350 A 1.2-7.0 kg/h (2-15 lb/h) 1.14 mm (0.045 in.) 18-34 V 2.6-15.0 m/min (102-591 in./min)
130-400 A 1.5-8.5 kg/h (3-18 lb/h) 1.32 mm (0.052 in.) 19-35 V 2.4-15.0 m/min (94-591 in./min)
150-420 A 1.6-8.7 kg/h (3-19 lb/h) 1.4 mm (0.055 in.) 22-36 V 2.3-12.0 m/min (91-472 in./min)
300-650 A 4.4-10.2 kg/h (9-22 lb/h) 2.0 mm (5/64 in.) 32-44 V 3.0-7.0 m/min (118-276 in./min)

Classifications

Weld Metal EN ISO 14341-A : G 38 3 C1 3Si1
EN ISO 14341-A : G 42 4 M21 3Si1
Wire Electrode EN ISO 14341-A : G 3Si1
SFA/AWS A5.18 : ER70S-6
Weld Metal EN ISO 14341-A : G 42 4 M20 3Si1
Wire Electrode JIS Z 3312 : YGW 12(C1)
CSA W48 : B-G 49A 3 C1 S6

Approvals

Approvals ABS 3YSA
BV SA3YM
CE EN 13479
PV,ZG : CWB B-G 49A 3 C1 S6
DB 42.039.06
DNV-GL III YMS
ZG : JIS YGW12
LR 3YS H15
ZG : NAKS/HAKC 1.2-1.6 mm
PV : NAKS/HAKC 0.8-2.0 mm
PRS 3YS
PV,ZG : RINA 3YS
RS 3YMS
VdTÜV 00899
Approvals are based on factory location. Please contact ESAB for more information.

Consumable Characteristics

Alloy Type Carbon-manganese steel (Mn/Si-alloyed)

Typical Weld Metal Analysis %

Typical Wire Composition %
C Mn P S Si
0.078 % 1.46 % - - 0.85 %
Typical Weld Metal Analysis %
80Ar/20CO2 (M21)
0.10 % 1.11 % 0.013 % 0.012 % 0.72 %
CO2 (C1)
0.08 % 0.94 % 0.013 % 0.012 % 0.63 %

*APPROVAL COMMENT
Approval valid for lot numbers with prefix in right column.

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How to purchase OK Autrod 12.51

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To find an ESAB distributor, just use the distributor locator tool featured on every page of our site. Alternatively, you can call our support line at +65 6318 2608. You can also email us at machines@esabasia.com or consumables@esabasia.com and we will point you in the right direction.

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