Description
BRAND : AUTOTHERME GRADE-C
AWS: SFA 5.17 EH14
EN ISO CODE: 14171-B SU41
Copper coated high medium-manganese, wire to be used in combination with basic type of flux for the welding of structural steel pressure vessel and boilers involving steels such as A-515 Gr.70.A -516 Gr.70, IS-8500 etc.
Approvals
BHEL, CE, IBR
CHEMICAL COMPOSITION OF SOLID WIRE. WT (%)
| Element | C | Mn | Si | S | P | Cu |
| Range | 0.10-0.20 | 1.70-2.20 | 0.10 Max | 0.030 Max | 0.030 Max | 0.035 Max |
| Typical | 0.12 | 1.80 | 0.05 | 0.027 | 0.028 | 0.200 |
CHEMICAL COMPOSITION OF TYPICAL UNDILUTED WELD METAL.WT (%)
| WITH SAW FLUX | C | Mn | Si | S | P | Cu |
| MAXFLUX SAF-4 | 0.13 | 1.80 | 0.38 | 0.028 | 0.027 | 0.150 |
MECHANICAL PROPERTIES OF TYPICAL WELD METAL
| WITH SAW FLUX | UTS | 0.2%YS | %EI | CVN Impact (J) | CVN Impact (J) | CVN Impact (J) |
| (MPa) | (MPa) | (L=4d) | -18°C | -29°C | -40°C | |
| MAXFLUX SAF-4 | 530 | 418 | 26 | 90 | 75 | 45 |
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