Header
About this publication
Preface
1 Scope
2 Normative references
3 Terms and definitions
4 Designation
5 Chemical composition
5.1 General
5.2 Chemical analysis
5.3 Frequency of analysis
6 Mechanical properties
6.1 Tensile properties
6.1.1 General
6.1.2 Test samples
6.1.3 Test procedure
6.2 Hardness
6.2.1 General
6.2.2 Test procedure
7 Resistance to dezincification
8 Electrical resistivity (applicable to alloys C80100 and C81500)
8.1 General
8.2 Resistivity test
8.3 Conductivity
9 Microstructure of casting alloy C86500
10 Freedom from defects
11 Rounding of test result values
11.1 General
11.2 Tensile test results
12 Retests
13 Marking
13.1 Ingots
13.2 Castings
Appendix A
A.1 General
A.2 Purchasing information to be supplied
A.3 Patterns, drawings and samples of the casting
A.3.1 New patterns
A.3.2 Existing patterns and equipment
A.3.2.1 General
A.3.2.2 Patterns
A.3.2.3 Core boxes
A.3.2.4 Flasks
A.3.2.5 Gauges and checking fixtures
A.3.3 Sample casting or drawing
A.4 Identification
A.5 Rectification of defects
A.5.1 General
A.5.2 Repair by welding
A.6 Test recommendations for castings
A.6.1 General
A.6.2 Frequency of testing
A.6.3 Mechanical tests on standard test bars
A.6.4 Additional test requirements for castings
A.6.5 Retests
A.6.6 Independent tests
Appendix B
B.1 General
B.2 Information to be included in the test schedule
B.3 Code A (analysis)
B.4 Code T (mechanical tests)
B.5 Code M (machining)
B.6 Code P (pressure testing)
B.6.1 Exclusions
B.6.2 Requirements
B.7 Code F (penetrant flaw detection)
B.8 Codes R1 and R2 (radiographic examination)
B.8.1 Marking of test regions
B.8.2 Grades
B.8.3 Repairs
B.8.4 Approval
B.9 Code C (electrical conductivity testing)
Appendix C
Appendix D
D.1 BNF “cast to shape” test sample
D.2 Sand-cast test sample
D.3 Chill-cast test bars
Appendix E
E.1 Introduction
E.2 Corrosion resistance
E.2.1 Atmospheric corrosion
E.2.1.1 General
E.2.1.2 Stress corrosion
E.2.2 Corrosion by water
E.2.2.1 Dezincification
E.2.2.2 Stress corrosion
E.2.2.3 Natural waters
E.2.2.4 Seawater
E.2.2.5 High velocities
E.2.2.6 Boiler feed waters
E.2.3 Resistance to chemical attack
E.2.3.1 Mineral acids
E.2.3.2 Organic acids
E.2.3.3 Alkalis
E.3 Wear resistance (bearings and gears)
E.3.1 General
E.3.2 Working load
E.3.2.1 Bearings
E.3.2.2 Backing for bearings
E.3.2.3 Material and design of gears
E.3.2.4 Impact loading
E.3.2.5 Hardness and material of shaft or mating gear
E.3.2.6 Surface speed at the bearing face
E.3.2.7 Lubrication
E.3.2.8 Working temperature, with consideration of peak temperature
E.3.2.9 Abrasive material
E.3.3 Recommendations
E.3.3.1 Selection of casting method
E.3.3.2 Bearings
E.3.3.3 Gears
E.4 Service at elevated temperatures (including superheated steam)
E.4.1 General
E.4.2 Resistance to superheated steam
E.4.3 Resistance to oxidation
E.4.4 Load carrying capacity and structural stability
E.5 Pressure tightness
Appendix F
Bibliography
