GRILOY 43N E430-15
AWS/SFA 5.4 E430-15
A basic coated hydrogen controlled electrode manufactured using alloyed core wire depositing weld metal having low carbon and about 17% Chromium. The weld metal consists of ferrite and some martensite in the as welded condition. In order to avoid excessive grain growth, the interpass temperature should not exceed 300°C. The deposited weld metal is of X-ray quality.
WELD METAL ANALYSIS (RANGE) %
MECHANICAL PROPERTIES (RANGE)
After PWHT, 760 - 790°C / 2 hr. Furnace cool to 600°C at 55°C / hr max, then air cool to room temp
Surfacing valves, suitable for welding Cr-Si-Al steels (Sicranals) with upto 18% Cr used for furnace parts, exhaust ducting’s, petrochemical and steam generating industries. AISI 430, DIN 1.4013, 1.4015, and 1.4016.
HARDNESS OF THE WELD METAL : 200 – 280 HV10
ASME IX QUALIFICATION : QW -432 F-NO. 4, QW-442 A-NO. 7
MICROSTRUCTURE : In the PWHT condition, the microstructure consists of ferrite and tempered marten site with some chromium carbide.
REDRYING : 300°C / 2 hrs. 5 cycles, 10 hrs total max.
WELDING POSITION :