Where austenitic bolting materials have been carbide solution treated but not strain hardened, they are designated Class 1 or Class 1a in ASTM A193.
在此，奥氏体螺栓材料经过碳化溶液的处理，但是没有经过应变硬化，因此归在ASTM A193的类别1或类别1a。
Where austenitic bolting materials have been carbide solution treated and strain hardened, they are designated Class 2 in ASTM A193. ASTM A194 nuts of corresponding material are recommended.
在此奥氏体螺栓材料经过碳化溶液处理和应力硬化处理，因此归在ASTMA193类别2里。推荐采用相应材料的ASTMA194螺母。
Where austenitic bolting materials have been carbide solution treated and strain hardened, they are designated Class 2 in ASTM A193. ASTM A194 nuts of corresponding material are recommended.
在此奥氏体螺栓材料经过碳化溶液处理和应力硬化处理，因此归在ASTMA193类别2里。推荐采用相应材料的ASTMA194螺母。
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