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Innershield Family

Diameters / Packaging

Diameters
 5.7 KG SPOOL
 25 lb Spool
 25 lb Spool Buy America
0.072 in (1.8 mm) ED031030
1/16 in (1.6 mm) ED030933 ED031576,ED030934 ED036576
5/64 in (2.0 mm) ED033039 ED036577

Innershield® NR®-233

Flux-Cored Self-Shielded (FCAW-S)

AWS:
E71T-8-H8
E71T8-A2-CS3-H8

Innershield® NR®-233 from Lincoln Electric is a good choice for training or novice welders while also meeting the mechanical property requirements listed in AWS D1.8.

Diameter

Select Diameter

  • 0.072 in (1.8 mm)
  • 1/16 in (1.6 mm)
  • 5/64 in (2.0 mm)

Package

Select Package

  • 5.7 KG SPOOL
  • 25 lb Spool
  • 25 lb Spool Buy America
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DETAILS

The choice for novice or experienced welders looking for an easy to operate self-shielded, flux-cored wire. The excellent arc control and accommodating weld puddle enable operators to make high quality weld deposits regardless of skill level.

Features

  • Enhanced Feedability – New design increases wire stiffness to aid feedability and promotes smooth arc transfer
  • Wire Snap-Off – Easy to break off wire end without tools for better re-strike
  • Meets AWS D1.8 requirements for Demand Critical Welds – Three lot tests available at www.lincolnelectric.com/D1.8 to meet AWS D1.8 lot waiver requirements
  • Effortless Operability – Welders of all skill levels benefit from the easy to control arc and forgiving weld puddle even out of position
  • Select packaging and diameter are available meeting Buy America & American Iron & Steel (AIS) standards.

Typical Applications

  • Seismic structural steel erection and fabrication
  • General structural steel erection and fabrication
  • Ship and barge fabrication
  • Vertical up and overhead fillets and groove welds

Welding Positions

  • All

Shielding Gas

  • N/A

Disclaimers

Warning -

Cancer and Reproductive Harm -

www.P65Warnings.ca.gov

Service Information

Documentation

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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 E71T-8-H8
AWS AWS A5.36 E71T8-A2-CS3-H8
ABS ABS - Part 2 3YSA

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)
E71T-8-H8 Requirement DC- 400 (58) min. 480-660 (70-95) 22 min. 27 (20) min.
E71T8-A2-CS3-H8 Requirement DC- 400 (58) min. 480-660 (70-95) 22 min. 27 (20) min.
Typical Result, As-welded DC- 430 (62) 560-610 (81-88) 25 41-75 (30-55)

DEPOSIT COMPOSITION

Classification Polarity %Al %B %C %Mn %P %S %Si Diffusible Hydrogen
mL/100g Weld Metal
E71T-8-H8 Requirement DC- 0.30 max. 1.75 max. 0.03 max. 0.03 max. 0.60 max. 8.0 max.
E71T8-A2-CS3-H8 Requirement DC- 0.30 max. 1.75 max. 0.030 max. 0.030 max. 0.60 max. 8 max.
Typical Result DC- 0.6-0.8 0.0017 0.16-0.20 0.58-0.69 0.011 0.010 0.18-0.24 5.5

TYPICAL OPERATING PROCEDURES

Diameter Polarity CTWD
mm (in.)⁽¹⁾ 		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
%
1/16 in (1.6 mm) DC- 25 (1) 3.8 (150) 17-19 220 2.4 (5.3) 1.9 (4.2) 80
1/16 in (1.6 mm) DC- 25 (1) 5.1 (200) 19-21 245 3.2 (7.1) 2.5 (5.4) 76
1/16 in (1.6 mm) DC- 25 (1) 6.4 (250) 21-23 270 4.0 (8.9) 3.0 (6.6) 74
1/16 in (1.6 mm) DC- 25 (1) 7.6 (300) 23-25 295 4.7 (10.4) 3.5 (7.7) 75
1/16 in (1.6 mm) DC- 25 (1) 8.9 (350) 25-27 315 5.6 (12.3) 4.3 (9.4) 77
0.072 in (1.8 mm) DC- 19-25 (3/4-1) 2.5 (100) 17-18 184 2.0 (4.5) 1.6 (3.6) 80
0.072 in (1.8 mm) DC- 19-25 (3/4-1) 3.8 (150) 18-19 250 3.1 (6.7) 2.5 (5.4) 80
0.072 in (1.8 mm) DC- 19-25 (3/4-1) 5.1 (200) 20-21 295 4.0 (8.9) 3.2 (7.1) 81
0.072 in (1.8 mm) DC- 19-25 (3/4-1) 6.4 (250) 22-23 330 5.1 (11.2) 4.0 (8.9) 79
0.072 in (1.8 mm) DC- 19-25 (3/4-1) 7.6 (300) 23-24 355 6.1 (13.4) 4.8 (10.6) 79
5/64 in (2.0 mm) DC- 19-25 (3/4-1) 2.3 (90) 18-19 210 2.2 (4.9) 1.8 (4.1) 82
5/64 in (2.0 mm) DC- 19-25 (3/4-1) 3.2 (125) 19-20 260 3.2 (7.0) 2.6 (5.6) 81
5/64 in (2.0 mm) DC- 19-25 (3/4-1) 3.8 (150) 20-21 300 3.8 (8.4) 3.0 (6.7) 80
5/64 in (2.0 mm) DC- 19-25 (3/4-1) 5.1 (200) 21-22 340 5.1 (11.2) 4.1 (9.0) 81
5/64 in (2.0 mm) DC- 19-25 (3/4-1) 6.1 (240) 22-23 380 6.1 (13.3) 4.9 (10.8) 81

NOTES

Note
⁽¹⁾ CTWD for 0.072 in. (1.8 mm) and 5/64 in. (2.0 mm) for 200 ipm or greater is 1 in (25 mm)