ASME SA204 Grade A – Molybdenum Alloy Steel Plate SA204 Gr A is a low-alloy steel plate containing molybdenum, designed for pressure vessels and boilers operating at elevated temperatures. 🔹 Key Highlights: Standard: ASME SA204 / ASTM A204 Grade: A Type: Molybdenum-alloy steel Purpose: For high-temperature service in pressure equipment 🔹 Chemical Composition (Typical): Carbon: ≤ 0.15% Manganese: 0.44 – 0.94% Molybdenum: 0.45 – 0.65% Phosphorus / Sulfur: ≤ 0.035% 🔹 Mechanical Properties: Tensile Strength: 415 – 585 MPa Yield Strength: ≥ 240 MPa Elongation: Min 22% 🔹 Equivalent Grade: ✔️ EN 10028-2 16Mo3 ✔️ DIN 1.5415 16Mo3 is considered a close alternative to SA204 Gr A and is widely available in the global market. 🔹 Applications: Boilers Pressure vessels Heat exchangers Industrial process equipment
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