Standard No.:	EJ/T 1022.5-1996
English Name:	PWR nuclear power plant valve - Part 5: Technical conditions for austenitic stainless steel forgings
Chinese Name:	压水堆核电厂阀门 奥氏体不锈钢锻件技术条件
Professional Classification:	EJ    Professional Standard - Nuclear Industry
Issued on:	1996-04-18
Implemented on:	1996-8-1
Status:	superseded
Superseded by:	NB/T 20010.5-2010 PWR Nuclear Power Plant Valve - Part 5: Specification of Austenitic Atainless Steel Forging
Superseded on:	2010-10-1
Language:	English
File Format:	PDF
Word Count:	4500 words
Price(USD):	90.0
Delivery:	via email in 1 business day

1 Subject Content and Application Scope This standard specifies the technical requirements of austenitic stainless steel pressure forgings (hereinafter referred to as "forgings") of standard valves used in PWR nuclear power plant. This standard is applicable to forgings (valve body, valve deck, valve clack, etc.) of Grades 1, 2, 3 standard valves used in PWR nuclear power plant. It also applies as a reference for forgings of NCh valves. This standard is not applicable to valve rods and fasteners. 2 Normative References GB/T 223 Methods for Chemical Analysis of Iron, Steel and Alloy GB/T 228 Tensile Test Method for Metal GB/T 229 Metallic Materials - Charpy (U-shaped Notch) Impact Test Method GB/T 4334.5 Method of Copper Sulfate-Sulfuric Acid Test for Stainless Steels GB/T 4338 Metallic Materials - Tensile Testing at Elevated Temperature GB/T 6394 Metal - Methods for Estimating the Average Grain Size GB/T 6397 Metallic Materials - Test Pieces for Tensile Testing GB/T 10561 Steel - Determination of Content of Non-metallic Inclusion - Micrographic Method Using Standard Diagrams EJ/T 502 300000kW PWR Nuclear Power Plant - Liquid Penetration Inspection JB/T 755 Technical Specification for Pressure Vessel Forgings 3 Smelting Forging steel shall be smelted in electric arc furnace or by external refining in addition, and may also be smelted by other corresponding smelting process.

1 Subject Content and Application Scope 2 Normative References 3 Smelting 4 Designations and Chemical Compositions 5 Manufacture 6 Mechanical Property 7 Intergranular Corrosion Inspection 8 Defects Inspection 9 Removing and Refinishing of Defects 10 Dimension Inspection 11 Marking 12 Quality Certificate 13 Acceptance 14 Cleaning, Packaging and Transportation Appendix A Additional Test Requirements (Reference) Additional Explanations: