Innershield Family

Diameters / Packaging

Diameters
14 LB COIL
5/64 IN ED023366

Innershield® NR®-208-H

Flux-cored self-shielded (FCAW-S) Wire

AWS: E91T8-G-H8, E91T8-AG-G-H8

Innershield® NR®-208-H from Lincoln Electric is designed to create high strength weld deposits with yield strength test results exceeding minimum AWS requirements.

DETAILS

Designed to create high strength weld deposits with yield strength test results exceeding minimum AWS requirements. Recommended for API Pipe Grade X80.

Features

  • Designed to create high strength weld deposits
  • Recommended for API grade X80
  • High deposition rates

Typical Applications

  • Standard cross-country pipelines
  • Arctic grade pipe up to undermatched X70

Welding Positions

  • All except vertical up

Shielding Gas

  • N/A

Disclaimers

Warning -

Cancer and Reproductive Harm -

www.P65Warnings.ca.gov

You May Also Need

BEFORE USE, READ AND UNDERSTAND THE SAFETY DATA SHEET (SDS) FOR THIS PRODUCT AND SPECIFIC INFORMATION PRINTED ON THE PRODUCT CONTAINER. SDS Search page

See test result disclaimer

CONFORMANCE

CONFORMANCES SPECIFICATION CLASSIFICATION
AWS AWS A5.29 E91T8-G-H8
AWS AWS A5.36 E91T8-AG-G-H8

MECHANICAL PROPERTIES

Classification Polarity Yield Strength @ 0.2% Offset
MPa (ksi)
Tensile Strength
MPa (ksi)
Elongation
%
Charpy V-Notch
J (ft-lbs) @ -20°C (0°F)
E91T8-G-H8 Requirement DC- 540 (78) min. 620-760 (90-110) 17 min.
Typical Result, As-welded DC- 590 (85) 660 (96) 26 115-123 (85-91)

DEPOSIT COMPOSITION

Classification Polarity %Al %C %Cr %Mn %Mo %Ni %P %S %Si Diffusible Hydrogen
mL/100g Weld Metal
E91T8-G-H8 Requirement DC- 1.8 max. 0.30 min. * 0.50 min. * 0.20 min. * 0.50 min. * 0.030 max. 0.030 max. 1.00 max. 8.0 max.
Typical Result DC- 1.0 0.05 0.04 2.18 0.02 0.78 0.010 0.001 0.26 4.7

TYPICAL OPERATING PROCEDURES

Diameter Polarity CTWD
mm (in.)
Wire Feed Speed
m/min (in/min)
Voltage
volts
Approx. Current
amps
Melt-off Rate
kg/hr (lb/hr)
Deposition Rate
kg/hr (lb/hr)
Efficiency
%
5/64 in (2.0 mm) DC- 25 (1) 1.7 (70) 16-17 195 1.8 (4.0) 1.4 (3.2) 81
5/64 in (2.0 mm) DC- 25 (1) 2.0 (80) 17-18 220 2.1 (4.6) 1.7 (3.9) 84
5/64 in (2.0 mm) DC- 25 (1) 2.2 (90) 18-19 235 2.5 (5.4) 2.0 (4.5) 84
5/64 in (2.0 mm) DC- 25 (1) 2.7 (110) 19-20 270 2.9 (6.5) 2.4 (5.5) 85
5/64 in (2.0 mm) DC- 25 (1) 3.3 (130) 19-20 295 3.5 (7.6) 2.9 (6.5) 85

NOTES

Note
* To meet the requirements of a "G" classification, the chemical composition of the weld deposit must meet the minimum requirement for one or more of these elements.