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ASTM A986/A986M-98
Standard Specification for Magnetic Particle Examination of Continuous Grain Flow Crankshaft Forgings
Automaticky preložený názov:
Štandardné špecifikácie pre magnetická častice vyšetrenie Continuous Obilie Flow kľukového hriadeľa výkovky
NORMA vydaná dňa 10.9.2001
Informácie o norme:
Označenie normy: ASTM A986/A986M-98
Poznámka: NEPLATNÁ
Dátum vydania normy: 10.9.2001
Kód tovaru: NS-5192
Počet strán: 3
Približná hmotnosť: 9 g (0.02 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Anotácia textu normy ASTM A986/A986M-98 :
Keywords:
forgings, ICS Number Code 77.140.85 (Iron and steel forgings)
Doplňujúce informácie
| 1. Scope | ||||||
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1.1 This specification covers the magnetic particle examination of forged continuous grain flow (CGF) crankshafts intended for medium speed diesel engines. 1.2 For the purpose of magnetic particle indication assessment, the crankshaft is divided into four zones of decreasing operational stress. Acceptance criteria have been set for each zone. 1.3 The engines to which these crankshafts are fitted are commonly used for diesel electric locomotives, marine propulsion, and power generation. Engines fueled by natural gas also fall into this medium speed category. 1.4 Specification A 983/A 983M is a product specification that covers the manufacture of CGF crankshafts. 1.5 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the specification. |
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| 2. Referenced Documents | ||||||
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