Description
POSTALLOY 207 is a high alloy, work-hardening austenitic manganese steel hardfacing electrode. It can be used equally well for joining and build-up/surfacing of carbon, low alloy and manganese steels.
Weld deposits made with POSTALLOY 207 are a modified chromium-manganese chemistry providing an excellent combination of weld metal strength and ductility. Work-hardens rapidly under repeated impact. The yield strength is higher than ordinary manganese alloys providing greater resistance to mushrooming when subjected to compressive loads and repeated impact.
Ideal as a cushioning or buffer layer on manganese steel parts that must be rebuilt on a repetitive basis. Since it will not embrittle until 1000°(538°C), it will act as an insulator to the manganese base metal in helping it keep below 500°(260°C) during the welding operation
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