（1）Test capability
①With the amount of testing, measurement, experiment equipment classification
②The test ability: hydraulic test benchmark, test pressure up to 42Mpa
③The main production reference standard:
GB/T222-1984 Chemical analysis of steel samples with sampling method and refined chemical
composition allowable deviation
GB/T228-1987 Metal tensile test method
GB/T231 Methods for Brinell hardness test of metal
JB/T9630.1-1999 Magnetic particle inspection and quality classification methods of steel castings
for steam turbines
JB/T9630.2-1999 Ultrasonic inspection and quality extension methods of steel castings for steam
turbines
Q/CCF J3307 Repair welding of cast steel parts technical conditions
