Duplex Stainless Steel Welding Qualification (2205 / Super Duplex)
Form number: WQR — Duplex Stainless (P-10H group)
Duplex stainless welding qualification covers UNS S31803 / S32205 (2205 standard duplex) and S32750 / S32760 (super duplex 25Cr) used in offshore subsea, desalination and chloride-rich mineral processing. The toughest stainless qualification — heat input must be controlled to maintain 50/50 ferrite/austenite phase balance, which is checked by ferrite count and ASTM A923 corrosion test.
Official source
weldaustralia.com.auRelated topics
duplex stainless · 2205 · super duplex · p-10h · ferrite count · astm g48 · offshore subsea · duplex welding · stainless steel welding · 2205 welding · super duplex welding · subsea welding · offshore welding qualification · welding certification stainless · ferrite control welding · duplex stainless qualification · high corrosion welding · desalination welding · mineral processing welding · white card · construction induction
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