wang2559
第6楼2007/03/31
MSS SP-55-2001
Quality Standard for Steel Castings
for Valves, Flanges, Fittings,
and Other Piping Components
----------------------------
Visual Method
for Evaluation of Surface Irregularities
MSS SP55-Quality Standard for Steel Castings for Valves, Flanges, Fittings,and Other Piping Components
wang2559
第7楼2007/03/31
ASTM E428-00 (英文)
Standard Practice for Fabrication and Control
of Steel Reference Blocks Used in Ultrasonic Examination
超声波检验用钢标准块的制造和管理规程
ASTM E428-00