ASTM A 217 C12A Material Specification Chart

ASTM A217 C12A Chemical composition（％）& Mechanical properties

C12A Heat Treatment Specification (Example)

Supplementary Requirements

1.Destruction Tests

2.Bend Tests

3.Magnetic Particle Inspection

4.Radiographic Inspection

5.Hardness Tests

ASTM C12A is equivalent to ASTM A182 Grade F91, improved 9Cr-Mo-V casting materials, the rated pressure and temperature.

Is still not listed in ANSI B16.34 - 1996 Nian version. At elevated temperatures, this material allows stress values have been enacted in the "ASME Case 2192,1995-year statute in March" in. Use of "protocols Case 2192" in the allowable stress value, and ANSI B16.34.

Appendix Form, describes the method, ASTM A217 Grade C12A rated pressure - temperature of the calculated values are listed in the following table

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