Menu Close
Innershield, 54 lb master carton

Diameters / Packaging

Diameters
 11.3 KG SPOOL
 22.7 KG COIL
 25.4 KG COIL
3/32 in (2.4 mm) ED012629
5/64 in (2.0 mm) ED030649 ED014459 ED014464
7/64 in (2.8 mm) ED012632

Innershield® NR® -311

Flux-Cored Self-Shielded (FCAW-S) | ED014464

CLASSIFICATIONS:
A5.20/A5.36 : E70T-7

Innershield® NR®-311 from Lincoln Electric is designed for high deposition rates and fast travel speeds.

Diameter

Select Diameter

  • 3/32 in (2.4 mm)
  • 5/64 in (2.0 mm)
  • 7/64 in (2.8 mm)

Package

Select Package

  • 11.3 KG SPOOL
  • 22.7 KG COIL
  • 25.4 KG COIL

DETAILS

Designed for high deposition rates and fast travel speeds. Recommended for fillet, lap and butt welds on 3.2 mm (1/8 in) and thicker steel, including some low alloy steels in applications without impact strength requirements.

Features

  • High deposition rates and fast travel speeds
  • Easy slag removal
  • Optimal toe wash-in
  • Deep penetration
  • High resistance to cracking

Service Information

Documentation

You May Also Need

K126 Classic 350A FCAW-SS

K126® Classic® Innershield® 350A FCAW-SS Welding Gun 15 ft 062-332

K126-2
Innershield/Outershield/Submerged Arc Wire

Innershield® NR®-152

ED012186
Innershield/Outershield/Submerged Arc Wire

Innershield® NR® -311

ED012629
Innershield, 54 lb master carton

Innershield® NS-3M

ED012739
View All

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 A5.20 E70T-7
AWS AWS A5.36 E70T7-AZ-CS3
ABS AWS A5.20 E70T-7
CWB CSA W48 E490T7-AZ-CS3 (E492T-7)

MECHANICAL PROPERTIES

Classification Polarity Yield Strength @ 0.2% Offset
MPa (ksi) 		Tensile Strength
MPa (ksi) 		Elongation
%
E70T7-AZ-CS3 Requirement DC- 400 (58) min. 480-660 (70-95) 22 min.
Typical Result, As-welded DC- 410 (59) 570-650 (83-94) 23

DEPOSIT COMPOSITION

Classification Polarity %Al %C %Mn %P %S %Si
E70T7-AZ-CS3 Requirement DC- 0.30 max. 1.75 max. 0.030 max. 0.030 max. 0.60 max.
Typical Result DC- 1.2-1.6 0.21-0.30 0.42-0.49 0.014 0.005 0.08-0.13

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- 38 (1 1/2) 2.5 (100) 20-23 190 2.9 (6.4) 2.3 (5.0) 78
5/64 in (2.0 mm) DC- 38 (1 1/2) 4.1 (160) 24-28 275 4.7 (10.3) 3.6 (8.0) 78
5/64 in (2.0 mm) DC- 38 (1 1/2) 6.1 (240) 25-29 355 7.0 (15.4) 5.6 (12.4) 80
5/64 in (2.0 mm) DC- 38 (1 1/2) 7.6 (300) 27-31 410 8.8 (19.3) 7.2 (15.8) 82
3/32 in (2.4 mm) DC- 45 (1 3/4) 1.9 (75) 20-23 200 3.2 (7.0) 2.5 (5.4) 77
3/32 in (2.4 mm) DC- 45 (1 3/4) 3.4 (135) 23-26 300 5.9 (13.1) 4.6 (10.2) 78
3/32 in (2.4 mm) DC- 45 (1 3/4) 3.8 (150) 24-27 325 6.6 (14.6) 5.2 (11.4) 78
3/32 in (2.4 mm) DC- 45 (1 3/4) 5.3 (210) 26-28 400 9.3 (20.4) 7.5 (16.5) 81
3/32 in (2.4 mm) DC- 45 (1 3/4) 6.9 (270) 28-30 450 11.9 (26.2) 10.0 (22.0) 84
7/64 in (2.8 mm) DC- 45 (1 3/4) 2.5 (100) 23-26 325 5.4 (12.0) 4.5 (10.0) 83
7/64 in (2.8 mm) DC- 45 (1 3/4) 3.7 (145) 25-27 400 8.1 (17.8) 6.6 (14.5) 82
7/64 in (2.8 mm) DC- 45 (1 3/4) 4.4 (175) 26-28 450 9.8 (21.5) 8.2 (18.0) 83
7/64 in (2.8 mm) DC- 45 (1 3/4) 6.1 (240) 30-32 550 13.4 (29.5) 11.6 (25.5) 86
7/64 in (2.8 mm) DC- 45 (1 3/4) 7.6 (300) 32-34 625 16.7 (36.9) 15.0 (33.0) 89