BS HC 404-1977 铬-钼合金铸铁环形坩埚规范(适用于离心铸造和砂型铸造密封环、活塞环和汽缸套筒)
Specification for chromium-molybdenum alloy cast iron ring pots (suitable for centrifugally cast and sand cast sealing rings, piston rings and cylinder liners)
British Standard: Aerospace Series: Specification forChromium-molybdenum alloy cast iron ring pots(Suitable for centrifugally cast and sand cast sealing rings, piston rings and cylinder liners)1. INSPECTION AND TESTING PROCEDURE2. CHEMICAL COMPOSITION3. CONDITION4. HEAT TREATMENT5. SELECTION AND PREPARATION OF TEST SAMPLES6. MECHANICAL PROPERTIES7. MICROSCOPIC EXAMINATION