OK Autrod 12.51
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.