SME 7018

SME 7018

SME 7018

Product catalog summary
Specifications:
Classification: AWS A / SFA 5.1 : E7018, IS 814 : E B5426H3 JX
Coating Type: Rutile, Medium Coating Factor
Identification: Name Printed
Typical Applications:
  • Joining steels like ASTM SA-414/SA-414M Gr, IS 2002, IS 2062
  • Welding of bridges and heavy structures subject to dynamic loading and mechanical restraint
  • Boilers
  • Storage tanks
  • Pipes, pressure vessels
Weld Metal Chemistry (%):
C: 0.04-0.09, Mn: 0.80-1.60, Si: 0.35-0.70, S: 0.03 max, P: 0.03 max
Diffusible H2 Content: <5 ml/100 gm of weld metal
Mechanical Properties – All Weld Condition:
UTS: 500-600 MPa, YS: 440-550 MPa, % Elongation: 24-30
CVN Impacts: -20°C: 50-80 J, -30°C: 30-70 J
Current Conditions:
AC, DC (-)
Electrode Sizes: 5.0, 4.0, 3.2, 2.5 mm
Current Range: 175-240, 135-180, 100-130, 60-90 A
Welding Positions:
Flat (F), Horizontal (H), Vertical-up (V-up), Overhead (OH)
Re-drying Conditions:
Moist electrodes may be reconditioned at 300°C for 1 hour
Availability:
Standard Size: 5.0, 4.0, 3.2, 2.5 mm in 350/450 mm length
Packing: 350 & 450 mm in 1, 2 & 5 kg (also available in vacuum-packed condition)
Product Characteristics:
SME 7018 is a low hydrogen, iron powder electrode with metal recovery between 110-115%. It provides good arc stability and easy slag removal, suitable for all positions including pipe welding, and produces X-ray quality welds.
Note On Usage:
  • Keep electrode dry (vacuum-packed condition available, redrying not required)
  • Rebake electrodes at 300°C for 1 hour prior to use for best results
  • Use a steel wire brush for cleaning slags
  • Follow recommended welding parameters for sound welds
  • Avoid excessive currents, hold short arc, and ensure good fit-up on joints
Safety Warnings:
  • Fumes and gases can be hazardous; ensure proper ventilation and use respirators if needed
  • Electric shock can kill; wear dry insulating gloves and avoid touching live electrical parts
  • ARC rays can injure eyes and burn skin; wear appropriate protection
  • Welding can cause fire or explosion; avoid welding near flammable materials and keep an extinguisher nearby
Refer to American National Standards Z49.1 for safety in welding, cutting, and allied processes.
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Catalog excerpts

SME 7018-1

Stick Electrodes (SMAW) Mild Steel Classification: AWS A / SFA 5.1 IS 814 Coating Type Coating Factor Identification E7018 E B5426H3 JX Rutile Medium Name Printed Characteristics: SME 7018 is a low hydrogen, iron powder electrode withapproximate metal recovery between 110-115%. It gives goodarc stability and easy slag removal. It can be used in allpositions even for pipe welding It gives X-ray quality welds Joining steels like ASTM SA-414/SA-414M Gr, IS 2002,IS 2062 Welding of Bridges and heavy structures subject to dynamic loading and mechanical restraint Boilers Storage tanks, Pipes, pressure vessels Weld Metal Chemistry, (%) C Diffusible H2 Content,<5 ml/100 gm of weld metal Mechanical Properties – All Weld Condition Re-drying Conditions: Moist electrodes may be reconditioned at 300oC for 1 hour Availability: Standard Size Packing : 5.0 , 4.0, 3.2 and 2.5in 350/450 mm length. : 350 & 450 mm in 1 , 2 & 5 kg. (Also available in vacuum-packed condition)

 Open the catalog to page 1
SME 7018-2

Note On Usage: 1) Keep electrode dry (Optionally also available in vacuum-packed condition, redrying not required in this packaging) 2) To obtain best results rebake the electrodes at 300°C for 1 hour prior to use. 3) Use steel wire brush for cleaning of slags. 4) Follow the recommended welding parameters to achieve good sound welds 5) Do not use excessive currents. Hold short arc. Use good fit-up on joints. Above are basic guidelines and will vary depending on joint design, number of passes and other factors. WARNING Protect yourself and others. Read and understand this warning. Do not remove...

 Open the catalog to page 2

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