ESAB OK 48.00 Mild Steel Electrodes E7018 – Carton
- Versatile
- Tough
- Low moisture absorption
- Fast welding speeds
- Insensitive to base material composition
- Meets NACE TM0177 and TM0284 standards
- Low diffusible hydrogen
£194.28 – £501.38
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The OK 48.00 E7018 low hydrogen welding electrodes are a reliable and versatile choice for welding a variety of carbon steels. They deposit a tough, crack-resistant weld metal with low moisture absorption and fast welding speeds. The electrodes are insensitive to base material composition and meet the requirements of the NACE TM0177 and TM0284 standards for welding in corrosive environments. They also have low diffusible hydrogen, which helps to reduce the risk of cold cracking.
Features
- Reliable and versatile: OK 48.00 is a general purpose electrode that can be used for welding a variety of carbon steels, including carbon manganese steels and fine-grained carbon manganese steels with elevated yield strength.
- Tough and crack-resistant welds: OK 48.00 deposits a tough, crack-resistant weld metal that is ideal for applications where strength and durability are critical.
- Low moisture absorption: The coating on OK 48.00 is of the low moisture absorption type, which helps to prevent the formation of weld defects.
- Fast welding speeds: OK 48.00 can be welded in all positions, including the vertical-up position, and it offers fast welding speeds.
- Insensitive to base material composition: OK 48.00 is insensitive to the composition of the base material within fairly wide limits, making it a versatile choice for a variety of welding applications.
- Meets NACE TM0177 and TM0284 standards: OK 48.00 has been tested and meets the requirements of the NACE TM0177 and TM0284 standards, which means it is suitable for welding in corrosive environments.
- Low diffusible hydrogen: OK 48.00 has low diffusible hydrogen, which helps to reduce the risk of cold cracking.
Ordering
| Description | Part No. |
|---|---|
| OK 48.00 1.6x300mm 9.6kg | 4800162010 |
| OK 48.00 2.0x300mm 10.2kg | 4800202010 |
| OK 48.00 2.5x350mm 12.9kg | 4800253000 |
| OK 48.00 3.2x350mm 13.2kg | 4800323000 |
| OK 48.00 3.2x450mm 18kg | 4800324000 |
| OK 48.00 4.0x350mm 13.8kg | 4800403000 |
| OK 48.00 4.0x350mm – DISCONTINUED | 4800403200 |
| OK 48.00 4.0x450mm 18.6kg | 4800404000 |
| OK 48.00 5.0x450mm 18kg | 4800504000 |
| OK 48.00 6.0x450mm 19.5kg | 4800604000 |
| OK 48.00 7.0x450mm 18.9kg – 30 cartons | 4800704000 |
| OK 48.00 2.0x300mm 1/4 VP 5.4kg | 48002020K0 |
| OK 48.00 2.5x350mm 1/4 VP 6.3kg | 48002530K0 |
| OK 48.00 2.5x350mm 1/2 VP 10.2kg | 48002530G0 |
| OK 48.00 2.5x350mm 1/2 VP DISCONTINUED | 48092530GQ |
| OK 48.00 3.2x350mm 1/2 VP 10.8kg | 48003230G0 |
| OK 48.00 3.2x450mm 1/2 VP 13.8kg | 48003240G0 |
| OK 48.00 3.2x450mm 1/2 VP DISCONTINUED | 48093240GQ |
| OK 48.00 4.0x350mm 1/2 VP 10.2kg | 48004030G0 |
| OK 48.00 2.5x350mm 3/4 VP 11.2kg | 48002530V0 |
| OK 48.00 2.5x350mm 3/4 VP DISCONTINUED | 48002532V0 |
| OK 48.00 3.2x350mm 3/4 VP 12kg | 48003230V0 |
| OK 48.00 3.2x450mm 3/4 VP 15.6kg | 48003240V0 |
| OK 48.00 4.0x450mm 3/4 VP 16.4kg | 48004040V0 |
| OK 48.00 4.0x450mm 3/4 VP DISCONTINUED | 48004042V0 |
| OK 48.00 4.0x450mm 3/4 VP DISCONTINUED | 48094040VQ |
| OK 48.00 5.0x450mm 3/4 VP 16kg | 48005040V0 |
| OK 48.00 5.0x450mm 3/4 VP DISCONTINUED | 48095040VQ |
| OK 48.00 6.0x450mm 3/4 VP 16.8kg | 48006040V0 |
Specifications
Specifications |
|
|---|---|
| Classifications | SFA/AWS A5.1 : E7018 H4 R EN ISO 2560-A : E 42 4 B 42 H5 |
| Approvals | ABS : 3Y H5 BV : 3Y H5 CE : EN 13479 DB : 10.039.12 DNV-GL : 3 YH5 LR : 3Y H5 PRS : 3Y H5 RINA : 3Y H5 RS : 3Y H5 VdTÜV : 00690 NAKS/HAKC : 2.5 – 5.0 mm |
| Industry | Civil Construction Energy Industrial and General Fabrication Light Fabrication Marine and Offshore |
| Welding Current | DC+(-) |
| Diffusible Hydrogen | < 4.0 ml/100g (< 3 for most of the batches) |
| Alloy Type | Carbon Manganese |
| Coating Type | Basic covering |
| Typical Tensile Properties | |||
|---|---|---|---|
| Condition | Yield Strength | Tensile Strength | Elongation |
| ISO | |||
| As Welded | 475 MPa | 565 MPa | 29 % |
| Typical Charpy V-Notch Properties | ||
|---|---|---|
| Condition | Testing Temperature | Impact Value |
| AWS | ||
| As Welded | -30 °C | 130 J |
| ISO | ||
| As Welded | -40 °C | 115 J |
| As Welded | -30 °C | 130 J |
| Typical Weld Metal Analysis % | ||
|---|---|---|
| C | Mn | Si |
| 0.06 | 1.1 | 0.5 |
| Deposition Data | ||||||
|---|---|---|---|---|---|---|
| Diameter | Current | Voltage | Efficiency (%) | Number of electrodes/kg weld metal | Fusion time per electrode at 90% I max | Deposition Rate |
| 1.6 x 300.0 mm | 30-55 A | 24 V | 59 % | 192 | 50 sec | 0.38 kg/h |
| 2.0 x 300.0 mm | 55-80 A | 22 V | 65 % | 125 | 45 sec | 0.63 kg/h |
| 2.5 x 350.0 mm | 70-110 A | 24 V | 67 % | 65 | 57 sec | 0.96 kg/h |
| 3.2 x 350.0 mm | 90-140 A | 23 V | 70 % | 42 | 68 sec | 1.24 kg/h |
| 3.2 x 450.0 mm | 90-140 A | 23 V | 73 % | 31 | 85 sec | 1.33 kg/h |
| 4.0 x 350.0 mm | 120-190 A | 24 V | 70 % | 29 | 75 sec | 1.63 kg/h |
| 4.0 x 450.0 mm | 120-190 A | 24 V | 71 % | 22 | 92 sec | 1.76 kg/h |
| 5.0 x 450.0 mm | 190-260 A | 24 V | 75 % | 13 | 99 sec | 2.61 kg/h |
| 6.0 x 450.0 mm | 220-340 A | 26 V | 80 % | 9 | 97 sec | 3.88 kg/h |
| 7.0 x 450.0 mm | 280-410 A | 27 V | 79 % | 7.0 | 104 sec | 4.83 kg/h |
| Free Delivery |
Free Delivery |
|---|---|
| Brand |
Esab |
| EN ISO Class |
E 42 4 B 42 H5 |
| AWS Class |
E7018 H4R |
| Size |
1.6 x 300mm ,2.0 x 300mm 1/4 VP ,2.0 x 300mm ,2.5 x 350mm 3/4 VP ,2.5 x 350mm ,2.5 x 350mm 1/4 VP ,2.5 x 350mm 1/2 VP ,3.2 x 350mm ,3.2 x 450mm 1/2 VP ,3.2 x 450 ,3.2 x 350mm 3/4 VP ,3.2 x 450mm 3/4 VP ,3.2 x 350mm 1/2 VP ,4.0 x 450mm 3/4 VP ,4.0 x 450mm ,4.0 x 350mm ,4.0 x 350mm 1/2 VP ,5.0 x 450mm 3/4 VP ,5.0 x 450mm ,6.0mm x 450mm 3/4 VP ,6.0 x 450mm ,7.0 x 450mm |
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