Description:
Vulcan 400-CG is a high-tensile alloy for joining and underlaying tool and die steels. Deposits will respond to heat treatments without cracking. Weld deposits are dense, smooth, and resistant to corrosion and heat scaling up to 1200 degrees F.

Typical Applications:
Joining of cracked and fractured tools, dies, fixtures, and other parts; build-up and surfacing on shafts, bearing surfaces, and valves; high-temperature applications such as steam turbine buckets, blades, and covers.

Procedures:
Clean weld area. Bevel heavy sections to be joined. On high alloy tool steels, preheat and post-heat according to the base metal to obtain maximum results. Hold a short arc and use stringer beads. Peening will help relieve stress. Slag will peel off easily after each pass cools. When used for joining tools that are fractured at the working surface, always cap off with with an alloy that will be hard as welded if no subsequent heat treatment is to be performed, such as Vulcan 910-AH.

Tensile Strength: up to 160,000 PSI
Hardness: 36 to 41 RC
Elongation Factor: 35% to 40%