Innershield Family

Diameters / Packaging

Diameters
25 lb Steel Spool
50 lb Coil
50 lb Coil (Vacuum Foil Bag)
3/32 ED017822 ED032530
5/64 ED030650
7/64 ED017824

Innershield® NR®-311 Ni

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

AWS: E70T7-K2-H16, E80TG-K2-H16, E70T7-A2-K2-H16, E80TG-A2-K2-H16

Innershield® NR®-311 Ni from Lincoln Electric is designed to provide a nominal 1.5% nickel weld deposit with high deposition rates and fast travel.

DETAILS

Designed to provide a nominal 1.5% nickel weld deposit with high deposition rates and fast travel. Recommended for flat and horizontal positions in single and multiple pass welding.

Features

  • Designed to provide a nominal 1.5% nickel weld deposit
  • High deposition rates and fast travel speeds
  • Capable of producing weld deposits with impact properties exceeding 27 J (20 ft·
  • lbf) at -29°
  • C (-20°
  • F)
  • Color match on weathering steel applications
  • 3/32 in (2.4 mm) diameter meets FEMA 353 and AWS D1.8 seismic lot waiver requirements
  • FEMA 353 and AWS D1.8 structural steel seismic supplement test data can be found at the Lincoln Electric Certificate Center.

Typical Applications

  • Fillet and lap welds
  • Horizontal and square edge butt welds, such as column-to-column structural connections
  • Deep groove welds
  • Structural fabrication
  • Weathering steels

Welding Positions

  • Flat/Horizontal

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 E70T7-K2-H16, E80TG-K2-H16
AWS AWS A5.36 E70T7-A2-K2-H16, E80TG-A2-K2-H16
ABS ABS - Part 2 2YSA
BV BV - Chapter 5 SA2YM
DNV-GL DNV - 2.9 II YMS
DB ISO 17632-A T 42 2 1, 5Ni W N 5
LR LR - Chapter 11 2YS

MECHANICAL PROPERTIES

Classification Polarity Yield Strength @ 0.2% Offset
MPa (ksi)
Tensile Strength
MPa (ksi)
Elongation
%
Charpy V-Notch
J (ft-lbs) @ -30°C (-20°F)
E70T7-K2-H16 Requirement DC- 400 (58) min. 480-620 (70-90) 20 min. 27 (20) min.
E70T7-A2-K2-H16 Requirement DC- 400 (58) min. 480-660 (70-95) 22 min. 27 (20) min.
Typical Result, As-welded DC- 470 (68) 580-620 (84-90) 25 27-108 (20-80)

DEPOSIT COMPOSITION

Classification Polarity %Al %C %Cr %Mn %Mo %Ni %P %S %Si %V Diffusible Hydrogen
mL/100g Weld Metal
E70T7-K2-H16 Requirement DC- 1.8 max. 0.15 max. 0.15 max. 0.50 - 1.75 0.35 max. 1.00 - 2.00 0.030 max. 0.030 max. 0.80 max. 0.05 max. 16.0 max.
E70T7-A2-K2-H16 Requirement DC- 1.8 max. 0.15 max. 0.15 max. 0.50 - 1.75 0.35 max. 1.00 - 2.00 0.030 max. 0.030 max. 0.80 max. 0.05 max. 16 max.
Typical Result DC- 1.0-1.4 0.06-0.08 0.05 1.27-1.48 0.05 1.30-1.55 0.010 0.003 0.20-0.24 0.010 8.0

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- 32 (1 1/4) 2.5 (100) 21-23 170 2.5 (5.5) 1.8 (3.9) 70
5/64 in (2.0 mm) DC- 32 (1 1/4) 3.3 (130) 24-26 205 3.3 (7.2) 2.4 (5.2) 72
5/64 in (2.0 mm) DC- 32 (1 1/4) 4.1 (160) 25-27 235 4.0 (8.8) 2.9 (6.5) 73
5/64 in (2.0 mm) DC- 32 (1 1/4) 5.1 (200) 26-28 270 5.0 (11.0) 3.8 (8.3) 75
5/64 in (2.0 mm) DC- 32 (1 1/4) 6.1 (240) 27-29 295 6.1 (13.3) 4.5 (10.0) 75
3/32 in (2.4 mm) DC- 38 (1 1/2) 1.9 (75) 20-22 200 2.8 (6.2) 1.9 (4.2) 67
3/32 in (2.4 mm) DC- 38 (1 1/2) 2.5 (100) 21-23 245 3.8 (8.3) 2.7 (5.9) 71
3/32 in (2.4 mm) DC- 38 (1 1/2) 3.1 (125) 23-25 285 4.7 (10.4) 3.4 (7.5) 72
3/32 in (2.4 mm) DC- 38 (1 1/2) 3.8 (150) 25-27 330 5.7 (12.5) 4.1 (9.1) 72
3/32 in (2.4 mm) DC- 38 (1 1/2) 4.4 (175) 26-28 365 6.6 (14.5) 4.9 (10.8) 74
3/32 in (2.4 mm) DC- 38 (1 1/2) 5.1 (200) 27-29 390 7.6 (16.6) 5.6 (12.3) 74
7/64 in (2.8 mm) DC- 44.5 (1 3/4) 2.5 (100) 22-24 310 5.2 (11.4) 3.8 (8.4) 73
7/64 in (2.8 mm) DC- 44.5 (1 3/4) 3.5 (140) 24-26 370 7.2 (15.8) 5.4 (11.8) 74
7/64 in (2.8 mm) DC- 44.5 (1 3/4) 4.3 (170) 26-28 430 8.9 (19.5) 6.6 (14.5) 74
7/64 in (2.8 mm) DC- 44.5 (1 3/4) 5.1 (200) 28-30 470 10.4 (22.8) 7.7 (17.0) 74
7/64 in (2.8 mm) DC- 44.5 (1 3/4) 6.1 (240) 29-31 520 12.4 (27.2) 9.2 (20.4) 75