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Innershield Family

Diameters / Packaging

Diameters
 (4) 14 lb Coil
 25 lb Spool
0.068 in (1.7 mm) ED030640
5/64 in (2.0 mm) ED021604

Innershield® NR®-203MP

Flux-Cored Self-Shielded (FCAW-S)

CLASSIFICATIONS:
E71T-8-JH8
E71T8-A4-CS3-H8

Innershield® NR®-203MP from Lincoln Electric is designed to handle poor fit-up on heavy wall tubes and gaps up to 9.5 mm (3/8 in.) with 6.4 mm (1/4 in.) offset.

Diameter

Select Diameter

  • 0.068 in (1.7 mm)
  • 5/64 in (2.0 mm)

Package

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  • (4) 14 lb Coil
  • 25 lb Spool
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DETAILS

Designed to handle poor fit-up on heavy wall tubes and gaps up to 9.5 mm (3/8 in) with 6.4 mm (1/4 in) offset. Recommended for all position welding on unlimited plate thicknesses.

Features

  • Designed to handle poor fit-up on heavy wall tubes and gaps up to 9.5 mm (3/8 in) with 6.4 mm (1/4 in) offset
  • Fast freezing slag with excellent wash-in
  • Root bead capability without back-up bars

Typical Applications

  • General plate fabrication, including bridge fabrication, hull plate and stiffener welding on ships and barges
  • Storage tanks
  • Structural welding
  • Offshore welding in TKY joints

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-JH8
AWS AWS A5.36 E71T8-A4-CS3-H8
ABS ABS - Part 2 3YSA H15
BV BV - Chapter 5 SA3YMH
CWB CSA W48 E491T8-A4-CS3-H8 (E491T-8-JH8)
DNV-GL DNV - 2.9 III YMS H10
LR LR - Chapter 11 3YS H15

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) 		Charpy V-Notch
J (ft-lbs) @ -40°C (-40°F)
E71T-8-JH8 Requirement DC- 400 (58) min. 480-660 (70-95) 22 min. 27 (20) min.
E71T8-A4-CS3-H8 Requirement DC- 400 (58) min. 480-660 (70-95) 22 min. 27 (20) min.
Typical Result, As-welded DC- 400 (58) 500-570 (72-82) 26 96-354 (71-261) 35-398 (26-294)

DEPOSIT COMPOSITION

Classification Polarity %Al %C %Mn %P %S %Si Diffusible Hydrogen
mL/100g Weld Metal
E71T-8-JH8 Requirement DC- 0.30 max. 1.75 max. 0.03 max. 0.03 max. 0.60 max. 8.0 max.
E71T8-A4-CS3-H8 Requirement DC- 0.30 max. 1.75 max. 0.030 max. 0.030 max. 0.60 max. 8 max.
Typical Result DC- 0.7-1.1 0.05-0.07 1.25-1.56 0.012 0.004 0.20-0.28 5.3

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
%
0.068 in (1.7 mm) DC- 25 (1) 1.8 (70) 16-17 145 1.5 (3.3) 1.0 (2.3) 69
0.068 in (1.7 mm) DC- 25 (1) 2.3 (90) 18-19 180 1.9 (4.2) 1.5 (3.2) 76
0.068 in (1.7 mm) DC- 25 (1) 3.0 (120) 20-21 225 2.5 (5.6) 2.0 (4.3) 76
0.068 in (1.7 mm) DC- 25 (1) 3.5 (140) 21-22 255 2.9 (6.4) 2.2 (4.8) 75
0.068 in (1.7 mm) DC- 25 (1) 3.8 (150) 23-24 265 3.1 (6.8) 2.3 (5.1) 75
5/64 in (2.0 mm) DC- 25 (1) 1.3 (50) 16-17 130 1.4 (3.1) 0.9 (1.9) 61
5/64 in (2.0 mm) DC- 25 (1) 1.8 (70) 18-19 180 2.0 (4.3) 1.3 (2.9) 67
5/64 in (2.0 mm) DC- 25 (1) 2.3 (90) 19-20 220 2.5 (5.6) 1.9 (4.2) 75
5/64 in (2.0 mm) DC- 25 (1) 2.8 (110) 20-21 260 3.1 (6.8) 2.4 (5.3) 77
5/64 in (2.0 mm) DC- 25 (1) 3.0 (120) 21-22 280 3.4 (7.4) 2.7 (5.9) 79
5/64 in (2.0 mm) DC- 25 (1) 3.5 (140) 22-23 310 3.9 (8.7) 3.1 (6.8) 79