PWHT @
620°C / 1HrLow Alloy Steel Welding Electrodes
Engineered For High Tensile Strength, Crack Resistance, Stable Arc Control, And Dependable Weld Quality Across Demanding Structural Welding Applications.
LOW ALLOY
WELDEX - 7018-A1
Classification
AWS SFA 5.1: E-7018-A1
Description
A Basic Coated electrode, Creep resistant upto 550°C low hydrogen content, radiographic quality weld. All Position Electrode except vertical down. Suitable for similar low alloy Steels, high temperature and high pressure boilers, chemicals industries, refineries
Mechanical Properties
UTS MPa
570YS MPa
480Elongation%
25Weld Metal Chemical Composition (%)
| C | Mn | Si | S | P | Diffusible hydrogen |
|---|---|---|---|---|---|
| 0.06 | 1.30 | 0.40 | 0.025 | 0.025 | Less than 4 ml |
Welding Parameters
| Size(mm) | 2.50 x 350 | 3.15 x 350 | 4.00 x 350 | 5.00 x 350 |
|---|---|---|---|---|
| Current(Amp.) | 60-90 | 90-140 | 140-180 | 180-240 |
Packing Data
| Ø x L, MM | Pcs / Pkt | Pkt / Box | Pcs / Box | Net Wt / Box (Kg) |
|---|---|---|---|---|
| 2.50 X 350 | 200 | 4 | 800 | 20 |
| 3.15 X 350 | 100 | 4 | 400 | 20 |
| 4.00 X 350 | 70 | 4 | 280 | 20 |
LOW ALLOY
WELDEX - 8018-B2
Classification
AWS SFA 5.5: 8018-B2
Description
A Basic Coated electrode producing weld metal of 1.25Cr and 0.50 % Mo. Creep resistant up to 550°C. Suitable for Power refineries, chemical plants, pressure vessels, boilers, Steam generating pipes, P4 materials
Mechanical Properties
PWHT @
690°C / 1HrUTS MPa
630YS MPa
535Elongation%
25Weld Metal Chemical Composition (%)
| C | Mn | Si | Cr | Ni | S | P | Diffusible hydrogen |
|---|---|---|---|---|---|---|---|
| 0.06 - 0.10 | 0.65 - 0.75 | 0.40 - 0.60 | 1.05 - 1.30 | 0.40 - 0.55 | 0.015 max. | 0.020 max. | Less than 4 ml |
Welding Parameters
| Size(mm) | 2.50 x 350 | 3.15 x 350 | 4.00 x 350 |
|---|---|---|---|
| Current(Amp.) | 70-100 | 100-140 | 140-180 |
Packing Data
| Ø x L, MM | Pcs / Pkt | Pkt / Box | Pcs / Box | Net Wt / Box (Kg) |
|---|---|---|---|---|
| 2.50 X 350 | 200 | 4 | 800 | 20 |
| 3.15 X 350 | 100 | 4 | 400 | 20 |
| 4.00 X 350 | 70 | 4 | 280 | 20 |
LOW ALLOY
WELDEX - 9018-B3
Classification
AWS SFA 5.5: E-9018-B3
Description
A Basic Coated electrode producing weld metal of 2.25Cr and 1.00 % Mo. Creep resistant up to 600°C. Radiographic quality welds. Suitable for Pressure vessels, high temperature applications, Power plants, Steam Pipes, Petro chemicals, P5A materials
Mechanical Properties
PWHT @
690°C / 1HrUTS MPa
670YS MPa
580Elongation%
21Weld Metal Chemical Composition (%)
| C | Mn | Si | Cr | Mo | S | P | Diffusible hydrogen |
|---|---|---|---|---|---|---|---|
| 0.06 - 0.08 | 0.50 - 0.60 | 0.30 - 0.40 | 2.20 - 2.40 | 0.95 - 1.10 | 0.015 max. | 0.020 max. | Less than 4 ml |
Welding Parameters
| Size(mm) | 2.50 x 350 | 3.15 x 350 | 4.00 x 350 |
|---|---|---|---|
| Current(Amp.) | 70-100 | 100-140 | 140-180 |
Packing Data
| Ø x L, MM | Pcs / Pkt | Pkt / Box | Pcs / Box | Net Wt / Box (Kg) |
|---|---|---|---|---|
| 2.50 X 350 | 200 | 4 | 800 | 20 |
| 3.15 X 350 | 100 | 4 | 400 | 20 |
| 4.00 X 350 | 70 | 4 | 280 | 20 |
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