ASTM B446은 Nickel-Chromium-Molybdenum-Columbium Alloy (UNS N06625), Nickel-Chromium-Molybdenum-Silicon Alloy (UNS N06219), and Nickel-Chromium-Molybdenum-Tungsten Alloy (UNS N06650)* Rod and Bar의 규정입니다. 그 중 UNS N06625 (ALLOY 625)의 화학성분의 경우 아래의 표와 같습니다.
Element UNS N06625 Carbon, max 0.10 Manganese, max 0.50 Silicon, max 0.50 Phosphorus, max 0.015 Sulfur, max 0.015 Chromium 20.0 - 23.0 Columbium + tantalum 3.15 - 4.15 Cobalt (if determined), max 1.0 Molybdenum 8.0 - 10.0 Iron, max 5.0 Aluminum, m...
