Description
BRAND : ULTIMATE-90
SFA 5.5 AWS E 9018G H4
IS 1395: E 63 B G1 29 Fe EN 757 E 55 5 Mn 1NiMo B 42 H5 Identification: Name Printed.
ULTIMATE-90 is an electrode specially designed to combine a high level of tensile and impact properties with radiographic quality and 'very low' category of hydrogen content. This favourable combination renders ULTIMATE-90 suitable for welding of high strength low alloy steels, grain refined steels, quenched and tempered steels, having tensile strength upto 700 MPa.
CHEMICAL ANALYSIS OF ALL WELD DEPOSIT (%)
| C | Mn | Si | Ni | Mo | S | P | V | Cu |
| 0.10 max | 1.0-1.80 | 0.80 max | 0.5-1.5 | 0.2-0.50 | 0.025 max | 0.025 max | 0.05 max | 0.10 max |
ALL WELD MECHANICAL PROPERTIES (SR 620°C +10° / 1 hour.)
| Ultimate Tensile Strength Mpa | Yield Strength at 0.2 % Offset Mpa | Elongation % | CVN Impact Energy ( Joules ) | |
| ( L = 4d ) | L = 5d | 100-140 at + 20 ° C | ||
| 640-700 | 550-630 | 17-24 | 16-22 | 30-60 at -50 ° C |
Hydrogen in weld metal: 4ml/100g. max (Mercury method) Moisture in coating-0.15% max WELDING CURRENT RANGES FOR SIZES MANUFACTURED:
| Dia ( mm ) | 2.5 | 3.15 | 4 | 5 |
| Length ( mm ) | 350 | 450 | 450 | 450 |
| Current Range ( Amp ) DC ( + ) or AC ( 90V ) | 80-100 | 100-130 | 140-180 | 180-250 |
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