1 Scope
This standard specifies the terminologies and definitions, technical requirements, inspection method and rules, record, mark and quality certificate of steel castings for rolling stock (hereafter referred to as "castings").
This standard is applicable to the carbon steel and alloy steel castings casted by Grades A, B, B+, C, D and E steels.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the editions cited apply. For undated references, the latest editions of the normative documents (include any amendment) apply.
GB/T 223 (all parts) Methods for Chemical Analysis of Iron, Steel and Alloy
GB/T 225 Steel - Hardenability Test by End Quenching (Jominy Test) (GB/T 225-2006, ISO 642:1999, IDT)
GB/T 228.1 Metallic Materials - Tensile Testing - Part 1: Method of Test at Room Temperature (GB/T 228.1-2010, ISO 6892-1:2009, MOD)
GB/T 229 Metallic Materials - Charpy Pendulum Impact Test Method (GB/T 229-2007, ISO 148-1:2006, MOD)
GB/T 231.1 Metallic Materials - Brinell Hardness Test - Part 1: Test Method (GB/T 231.1-2009, ISO 6506-1:2005, MOD)
GB/T 4336 Standard Test Method for Spark Discharge Atomic Emission - Spectrometric Analysis of Carbon and Low-alloy Steel
GB/T 5117-2012 Covered Eelectrodes for Manual Metal Arc Welding of Non-alloy and Fine Grain Steels
GB/T 5118-1995 Low Alloy Steel Covered Electrodes
GB/T 5482 Test Method of Metallic Materials - Dynamic Tear
GB/T 5611 Foundry Terminology
GB/T 5678 Sampling Methods of Spectrochemical Analysis for Cast Alloys
GB/T 6803 Test Method for Drop-weight Test to Determine Nil-ductility Transition Temperature of Ferritic Steels
GB/T 7232 Terminology of Metal Heat Treatment
GB 9448 Safety in Welding and Cutting
GB/T 9452-2012 Testing Method for Working Zone of Heat Treatment Furnace
GB/T 20066 Steel and Iron - Sampling and Preparation of Samples for the Determination of Chemical Composition
GB/T 20123 Steel and Iron - Determination of Total Carbon and Sulfur Content - Infrared Absorption Method after Combustion in an Induction Furnace (Routine Method)
GB/T 20125 Low-alloy Steel - Determination of Multi-element Contents - Inductively Coupled Plasma Atomic Emission Spectrometric Method
ASTM A255-2010 Standard Test Methods for Determining Hardenability of Steel
3 Terminologies and Definitions
For the purpose of this standard, those established in GB/T 5611 and GB/T 7232 apply.
Foreword I
1 Scope
2 Normative References
3 Terminologies and Definitions
4 Technical Requirements
5 Inspection Methods and Rules
6 Record, Marking and Quality Certificate
Appendix A (Informative) Reference Index Values for Ductility and Toughness of Casting Body
Appendix B (Normative) Keel Block
Appendix C (Normative) Tensile Specimen
Appendix D (Normative) Impact Specimen
