RA 303 HST
303 HST should be heated to 1900°F minimum, and water quenched or rapidly cooled by other means. 303 HST cannot be hardened by heat treatment. 303 HST is not recommended for applications requiring welding. Its high sulfur content increases the likelihood of weld solidification cracking. When welding is necessary, AWS E312 filler metal may be considered. An alternative alloy for parts requiring welding is RAM 304L.
General Properties
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Technical Datasheet (English)
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