ChinaAutoRegs|GB/T 1348-2009英文版翻译 球墨铸铁件
Spheroidal Graphite Iron Castings
最新适用版：
GB/T 1348-2019英文版翻译《球墨铸铁件》
1 Scope
This national standard specifies the terms and definitions, trademark, technical requirements, testing and sampling method, test rules, other testing method of the cast, mark, packaging, rust protection and storage requirements of the spheroidal graphite iron castings.
This standard is applicable to sand mould alloying pellet nodular cast iron pieces and the casting mould with similar sand mould.
As for spheroidal graphite iron castings made in the special type casting method, this standard can be served as the reference.
2 Normative References
The following normative documents contain provision which, through reference in this text, constitute provisions of this national standard. For dated reference, subsequent amendments to, or revisions of, any of these publications do not apply. For undated references, the latest edition of the normative document referred to 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 223.60 Methods for Chemical Analysis of Iron, Steel and Alloy – The Perchloric Acid Dehydration Gravimetric Method for the Determination of Silicon Content
GB/T 228 Metallic Materials – Tensile Testing at Ambient Temperature (GB/T 228 – 2002, eqv ISO 6892:1998)
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- 2002, eqv ISO 6506-1:1999)
GB/T 231.2 Metallic Brinell Hardness Test – Part 2: Verification and Calibration of Hardness Testers (GB/T 231.2-2002, ISO 6506-2:1999 MOD)
GB/T 231.3 Metallic Brinell Hardness Test – Part 3: Calibration of Hardness Reference Blocks (GB /T 231.3 – 2002, ISO 6506-3:1999, MOD)
GB/T 4336 Standard Test Method for Spark Discharge Atomic Emission Spectrometric Analysis of Carbon and Low – Alloy Steel (Routine Method)
GB/T 5611 Foundry Terminology
GB T 5612 Code for Representing Cast Iron (GB/T 5612-2008, ISO 15931:2004, MOD)
GB/T 5677 Radiographic Testing for Steel Castings (GB/T 5677-2007, ISO 4993:1987, IDT)
GB/T 6060.1 Roughness Comparison Specimens Cast Surfaces (GB/T 6060.1 – 1997, eqv ISO 2632-3:1979)
GB/T 6414 Castings – System of Dimensional Tolerances and Machining Allowances (GB/T 6414-1999, eqv ISO 8062:1994)
GB/T 7233 Methods for Ultrasonic Testing and for Specifying Quality Levels of Steel Castings
GB/T 9441 Metallographic Test for Spheroidal Graphite Cast Iron
GB/T 9444 Magnetic Particle Testing for Steel Castings (GB/T 9444-2007, ISO 4986:1992, IDT)
GB/T 11351 Mass Tolerances for Castings
3 Terms and Definitions
For the purposes of this national standard, the terms and definitions given in GB/T 5611 and the following apply.
3.1 Graphite Spheroidizing Treatment
Add nodulizer to the liquid iron, carbon separated out from the liquid iron will form the globular graphite.
3.2 Relevant Wall Thickness
Relevant wall thickness refers to the section thickness of the cast that represent the mechanical property of material of the casting, which shall be confirmed by both the supply and demand sides.
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