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Innershield/Outershield/Submerged Arc Wire

Diámetros / Embalaje

Diámetros
mm 		25 lb Spool
 50 lb Coil
3/32 in (2.4 mm) ED012629
5/64 in (2.0 mm) ED030649

Innershield® NR® -311

Soldadura Tubular Autoprotegida con Núcleo de Fundente (FCAW-S) | ED012629

CLASIFICACIONES:
E70T-7
E70T7-AZ-CS3

Innershield NR-311 Suelda bien en placa ligeramente oxidada, fácil remoción de escoria y resiste a fisuras.

Diámetro

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

Paquete

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  • 50 lb Coil

Detalles

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.

Características

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

Servicio de información

Documentación

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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