DETALLES
Acero al carbono, bajo en hidrógeno - AWS E7018 H4R
Características
- Integridad del revestimiento mejorada
- Extrema capacidad de doblado
- EXCELENTE RENDIMIENTO DE ARCO
- Excelente resistencia a la humedad
- Baño de soldadura limpio y arco suave
Aplicaciones típicas
- Estructura
- Construcción
- Estructuras de procesamiento químico
- Tuberías a presión
- Acero al carbono
Posiciones de soldadura
- Todas las posiciones excepto el vertical descendente
Gas de protección
- Not Applicable
Características especiales
- Available to meet Buy America. Choose a Buy America MTS product from the list of Available Types or contact a Lincoln Electric representative
Información de mantenimiento
También puede necesitar
BEFORE USE, READ AND UNDERSTAND THE SAFETY DATA SHEET (SDS) FOR THIS PRODUCT AND SPECIFIC INFORMATION PRINTED ON THE PRODUCT CONTAINER. Página de búsqueda de HDS
CONFORMANCE
CONFORMANCES | SPECIFICATION | CLASSIFICATION |
---|---|---|
AWS | AWS A5.1 | E7018 H4R |
ISO | ISO 2560-B | E4918 A H5 |
ABS | ABS - Part 2 | 3YH5 |
BV | BV - Chapter 5 | 3YHHH |
CWB | CSA W48 | E4918 |
DNV-GL | DNV - 2.9 | 3YH5 |
LR | LR - Chapter 11 | 3YM H5 |
MECHANICAL PROPERTIES
Classification |
Yield Strength @ 0.2% Offset
MPa (ksi) |
Tensile Strength
MPa (ksi) |
Elongation
% |
Charpy V-Notch
J (ft-lbs) @ -30°C (-20°F) |
Hardness Rockwell B |
---|---|---|---|---|---|
E7018 H4R Requirement | 400 (58) min. | 480 (70) min. | 22 min. | 27 (20) min. | |
Typical Result, As-welded | 420-510 (60-74) | 510-600 (74-87) | 24-36 | 27-413 (20-304) | 82-91 |
DEPOSIT COMPOSITION
Classification | %C | %Cr | %Mn | %Mo | %Ni | %P | %S | %Si | %V | %Mn+Ni+Cr+Mo+V |
Diffusible Hydrogen
mL/100g Weld Metal |
1800F H2O - As received | 1800F H2O - After 9 hrs at 80F/80%RH |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
E7018 H4R Requirement | 0.15 max. | 0.20 max. | 1.60 max. | 0.30 max. | 0.30 max. | 0.035 max. | 0.035 max. | 0.75 max. | 0.08 max. | 1.75 max. | 4 max. | 0.3 max. | 0.4 max. |
Typical Result | 0.04-0.07 | 0.02-0.06 | 1.08-1.51 | 0.04 max. | 0.01-0.05 | 0.009-0.016 | 0.004-0.011 | 0.41-0.66 | 0.01 max. | 1.15-1.59 | 1-4 | 0.1 max. | 0.2-0.4 |
TYPICAL OPERATING PROCEDURES
Diameter | Polarity⁽¹⁾ |
Current
Amps |
---|---|---|
3/32 in (2.4 mm) | DC+ | 70-110 |
3/32 in (2.4 mm) | AC | 80-120 |
1/8 in (3.2 mm) | DC+ | 90-160 |
1/8 in (3.2 mm) | AC | 100-160 |
5/32 in (4.0 mm) | DC+ | 130-210 |
5/32 in (4.0 mm) | AC | 140-210 |
3/16 in (4.8 mm) | DC+ | 180-300 |
3/16 in (4.8 mm) | AC | 200-300 |
7/32 in (5.6 mm) | DC+ | 250-330 |
7/32 in (5.6 mm) | AC | 270-370 |
1/4 in (6.4 mm) | DC+ | 300-400 |
1/4 in (6.4 mm) | AC | 325-420 |
NOTES
Note |
---|
⁽¹⁾ Preferred polarity is listed first. |
Extreme bendability applies to 3/32, 1/8, and 5/32 in. diameters. |