1. Scope
This standard specifies the technical requirements, test methods, inspection rules, mark and quality certificate and requirements for rust protection, packing, storage and transport in terms of the exhaust manifold iron castings (hereinafter referred to as castings).
This standard is applicable to the castings produced in sand casting or cast in the casting mould with equivalent thermoconductivity to the sand mold and also used by the casting produced with other casting methods as a reference.
2. Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the normative document (including any amendments) applies.
GB/T 223.3 "Methods for Chemical Analysis of Iron, Steel and Alloy-The Diantipyrylmethane Phosphomolybdate Gravimetric Method for the Determination of Phosphorus Content"
GB/T 223.4 "Alloyed Steel - Determination of Manganese Content - Potentiometric or Visual Titration Method"
GB/T 223.11 "Iron Steel and Alloy - Determination of Chromium Content - Visual Titration or Potentiometric Titration Method"
GB/T 223.25 "Methods for Chemical Analysis of Iron, Steel and Alloy - The Dimethylglyoxime Gravimetric Method for the Determination of Nickel Content"
GB/T 223.26 "Iron Steel and Alloy-Determination of Molybdenum Content-The Thiocyanate Spectrophotometric Method"
GB/T 223.58 "Methods for Chemical Analysis of Iron, Steel and Alloy - The Sodium Arsenite-sodium Nitrite Titrimetric Method for the Determination of Manganese Content"
GB/T 223.60 "Methods for Chemical Analysis of Iron, Steel and Alloy The Perchloric Acid Dehydration Gravimetric Method for the Determination of Silicon Content"
GB/T 223.68 "Methods for Chemical Analysis of Iron, Steel and Alloy - The Potassium Iodate Titration Method after Combustion in the Pipe Furnace for the Determination of Sulfur Content"
GB/T 223.71 "Methods for Chemical Analysis of Iron, Steel and Alloy-The Gravimetric Method after Combustion in the Pipe Furnace for the Determination of Carbon Content"
GB/T 228 "Metallic Materials-Tensile Testing at Ambient Temperature"
GB/T 231.1 "Metallic Materials-Brinell Hardness Test-Part 1: Test Method"
GB/T 1348 "Spheroidal Graphite Iron Castings"
GB/T 3821 "Small and Medium Power Internal Combustion Engines - Cleanliness Measurement"
Foreword I
1. Scope
2. Normative References
3. Technical Requirements
4. Test Methods
5. Inspection Rules
6. Mark and Quality Certificate
7. Rust Protection, Packing, Storage and Transport
Appendix A (Informative) Selection of Materials
