Description
SFA 5.5 AWS E 8018-B6-H4
DIN 8575
EN 1599
E CrMo 5 B 26 E CrMo 5 B 42 H5 Identification: Name printed.
A Hydrogen controlled basic coated iron powder type electrode designed for welding creep resisting steels and heat treatable steels. The weld deposit is of 5 Cr-0.5Mo steel type.
APPLICATIONS:
The 5Cr-0.5Mo steel deposit is suitable for elevated temperature service up to 600°C. It displays good corrosion resistance in superheated steam, hot hydrogen gas & high sulphur crude oil. Hence, it is recommended for use in boiler, super-heater, heat exchanger, piping & pressure vessels in oil refineries.
CHEMICAL ANALYSIS OF ALL WELD DEPOSIT (%)
| C | Mn | Si | S | P | Cr | Mo |
| 0.050 0.10 | 1.00 Max | 0.60 max | 0.025 max | 0.025 max | 4.0-6.0 | 0.45-0.65 |
ALL WELD MECHANICAL PROPERTIES (After PWHT as per SFA 5.5).
| Strength MPa Ultimate Tensile | 0.2 % Proof Stress MPa | Elongation ( L = 4d ) % |
| 550 min . | 460 min . | 20-28 |
WELDING CURRENT RANGES FOR SIZES MANUFACTURED:
| Dia ( mm ) | 2.5 | 3.15 | 4 | 5 |
| Length ( mm ) | 350 | 450 | 450 | 450 |
| Current ( Amp ) | 70-100 | 100-140 | 140-180 | 180-240 |
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