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ASTM A995 Gr.4A Globe control valves

21/03/2024 11:06:00
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ASTM A995 Gr.4A  Globe control valve

ASTM A995 Grade 4A is a standard specification for duplex stainless steel castings designed for pressure-containing parts. Also known by its alloy designation CD3MN, it is widely used to manufacture components that require a combination of high mechanical strength, excellent toughness, and superior resistance to corrosion

 

Key Characteristics

  • Wrought Equivalent: Corresponds to UNS S32205 or wrought 2205 stainless steel.
  • Microstructure: Dual-phase composition of roughly 50% austenite and 50% ferrite.
  • Temperature Limit: Not recommended for service temperatures exceeding 600°F (315°C) to prevent embrittlement.
  • Corrosion Resistance: High resistance to pitting, crevice corrosion, and chloride stress-corrosion cracking
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