Diameters / Packaging

Diameters	25 lb Spool
0.068 in (1.7 mm)	ED036677
0.072 in (1.8 mm)	ED036678

Innershield® NR®-232-H

Flux-Cored Self-Shielded (FCAW-S)

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

Innershield® NR®-232-H from Lincoln Electric is designed for high deposition, out-of-position welding for structural fabrication in seismic zones.

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Détails

Designed for high deposition, out-of-position welding for structural fabrication in seismic zones. Recommended for single or multiple pass welding of 4.8 mm (3/16 in) and heavier carbon steel.

Traits

High deposition rates for out-of-position welding
Penetrating arc
Fast freezing, easy to remove slag system

Applications typiques

Structural fabrication, including those subject to seismic requirements
General plate fabrication
Hull plate and stiffener welding on ships and barges
Machinery parts, tanks, hoppers, racks and scaffolding

Positions de soudage

Gaz de protection

Disclaimers

Warning -

Cancer and Reproductive Harm -

www.P65Warnings.ca.gov

Des informations de service

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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
CWB	CSA W48	E491T8-A3-CS3-H8 (E491T-8-H8)

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 (63)	550-590 (80-85)	28	58-89 (43-65)

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-	0.4-0.7	0.0013	0.14-0.17	0.58-0.74	0.012	0.003	0.27-0.40	4.8-6.7

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 %
0.068 in (1.7 mm)	DC-	19-32 (3/4-1 1/4)	2.8 (110)	18-19	195	2.3 (5.0)	1.8 (3.9)	78
0.068 in (1.7 mm)	DC-	19-32 (3/4-1 1/4)	3.3 (130)	19-21	225	2.8 (6.2)	2.0 (4.6)	74
0.068 in (1.7 mm)	DC-	19-32 (3/4-1 1/4)	3.8 (150)	19-21	250	3.2 (7.1)	2.4 (5.3)	75
0.068 in (1.7 mm)	DC-	19-32 (3/4-1 1/4)	4.3 (170)	20-22	270	3.5 (7.8)	2.8 (6.1)	78
0.068 in (1.7 mm)	DC-	19-32 (3/4-1 1/4)	5.0 (195)	23-24	300	4.3 (9.4)	3.2 (7.0)	74
0.068 in (1.7 mm)	DC-	19-32 (3/4-1 1/4)	6.4 (250)	23-24	350	5.4 (11.8)	4.0 (9.0)	76
0.068 in (1.7 mm)	DC-	19-32 (3/4-1 1/4)	7.4 (320)	25-27	400	6.9 (15.2)	5.2 (11.4)	75
0.072 in (1.8 mm)	DC-	19-32 (3/4-1 1/4)	2.0 (80)	16-18	130	1.8 (4.0)	1.5 (3.3)	83
0.072 in (1.8 mm)	DC-	19-32 (3/4-1 1/4)	3.5 (140)	18-21	225	3.1 (6.8)	2.5 (5.5)	81
0.072 in (1.8 mm)	DC-	19-32 (3/4-1 1/4)	3.9 (155)	19-22	240	3.3 (7.2)	2.7 (6.0)	83
0.072 in (1.8 mm)	DC-	19-32 (3/4-1 1/4)	4.3 (170)	20-23	255	3.6 (8.0)	2.9 (6.5)	81
0.072 in (1.8 mm)	DC-	19-32 (3/4-1 1/4)	6.4 (250)	22-24	315	5.3 (11.7)	4.3 (9.6)	82
0.072 in (1.8 mm)	DC-	19-32 (3/4-1 1/4)	7.4 (290)	23-25	350	6.2 (13.6)	5.0 (11.0)	81