1180 – Low Alloy Steel E9018-B3

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INTERNATIONAL CLASSIFICATIONS

AWS A5.5, E9018-B3 H4R

ASME SFA 5.5, E9018-B3 H4R

FEATURES & APPLICATIONS

DESCRIPTION: 1180 is an outstanding welding electrode for welding higher strength piping, castings and forgings. The coating is specially formulated to resist moisture pick-up under conditions of high heat and humidity. The electrode offers resistance to moisture reabsorption which helps prevent hydrogen cracking and aids in elimination of starting porosity. Definitely a preferred electrode with high operator appeal.

APPLICATIONS:

1180 is used in welding chrome-moly pipes and boiler work.

FEATURES:

  • Excellent arc characteristics
  • Low spatter level
  • Quick and easy slag removal
  • Low moisture reabsorption
  • Low smoke level
  • Low hydrogen, less than 4 ml/100g

BENEFITS:

  • Stable, easy to control arc
  • Improves weld bead appearance, higher deposition
  • Reduce clean-up time
  • Prevents starting porosity
  • Welder safety and comfort
  • Resistant to hydrogen-induced cracking

All Weld Metal Analysis (Typical Weight %)

Flux Color: Grey

C

Mn

P

S

Si

Cr

Mo

.10

.69

.01

.01

.50

2.35

1.06

 

Typical Mechanical Properties

Undiluted Weld Metal Maximum Value Up to:

Tensile Strength: 125,000 PSI (865 MPa)

Yield Strength: 111,000 PSI (765 MPa)

Elongation: 18%

Diffusible Hydrogen: 3.4 ml/100 gr

Welding Current & Instructions

Recommended Current: DCEP or AC

Diameter (mm)

3/32 (2.5)

1/8 (3.25)

5/32 (4.0)

3/16 (5.0)

Minimum Amperage

70

90

130

200

Maximum Amperage

110

160

220

300

*For out of position welding, reduce amperages shown by 15%.

Recommended Welding Procedures:

General: Electrode positive, work negative (DCEP) or AC

Arc Length: Very short arc

Flat: Angle electrode 10-15° from 90°

Vertical-Up: Use weaving techniques

Vertical-Down: Not recommended

Overhead: Use slight weaving motion within the puddle

Storage: After opening, store in holding oven (250°F to 400°F) until used.

Reconditioning: If exposed to atmosphere for extended periods, reconditioned for one (1) hour at 600°F.

Welding Positions: Flat, Vertical-Up, Overhead

 

TYPICAL DEPOSITION RATES (at Optimum):

Diameter |
Inches        mm

Type of Power

Amperage

Deposition Rate Lbs/Hr.

3/32 2.4

DCEP

100

2.38

1/8 3.2

DCEP

135

2.92

5/32 4.0

DCEP

170

4.08

3/16 4.8

DCEP

250

5.62

 

APPROXIMATE ELECTRODE PACKAGING & DIMENSIONS

Diameter (mm)

3/32 (2.5)

1/8 (3.25)

5/32 (4.0)

3/16 (5.0)

Length (mm)

14″ (350)

14″ (350)

14″ (350)

14″ (350)

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