General technical specifications for delivery and acceptance of iron castings
1 Scope
This document specifies the ordering information, casting processability analysis, sample certification, manufacturing, technical requirements, test methods, inspection rules and identification, protection and quality certificates of iron castings.
This document is applicable to the manufacture, delivery and acceptance of iron castings produced by various processes (hereinafter referred to as castings).
2 Normative references
The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 223.3 Methods forchemical analysis of iron, steel and alloy - The diantipyryl methane 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 228.1 Metallic materials - Tensile testing - Part 1: Method of test at room temperature
GB/T 229 Metallic materials - Charpy pendulum impact test method
GB/T 230.1 Metallic materials - Rockwell hardness test - Part 1: Test method
GB/T 231.1-2018 Metallic materials - Brinell hardness test - Part 1: Test method
GB/T 232 Metallic materials - Bend test
GB/T 4341.1 Metallic materials - Shore hardness test - Part 1: Test method
GB/T 5611 Foundry terminology
GB/T 5677 Castings - Radiographic testing
GB/T 5678 Sampling methods of spectrochemical analysis for cast alloys
GB/T 6060.1 Surface roughness comparison specimen - Part 1: Casting surface
GB/T 6414 Castings - Dimensional tolerances and geometrical tolerances and machining allowances
GB/T 7216 Metallographic test for grey cast iron
GB/T 8170 Rules of rounding off for numerical values & expression and judgment of limiting values
GB/T 9441 Metallographic test method for spheroidal graphite cast iron
GB/T 9443 Steel and iron castings - Liquid penetrant inspection
GB/T 9444 Steel and iron castings - Magnetic particle inspection
GB/T 11351 Mass tolerances of casting
GB/T 13298 Inspection methods of microstructure for metals
GB/T 14203 General rules for spark discharge atomic emission spectrometry
GB/T 15056 Casting surface roughness - Appraising method
GB/T 15248 The test method for axial loading constant-amplitude low-cycle fatigue of metallic materials
GB/T 17394.1 Metallic materials - Leeb hardness test - Part 1: Test method
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 20967 Non-destructive testing - Visual testing - General principles
GB/T 24234 Cast iron - Determination of multi-element contents - Spark discharge atomic emission spectrometric method (Routine method)
GB/T 25746 Metallographic test for malleable cast iron
GB/T 26656 Metallographic test for compacted (vermicular) graphite cast irons
GB/T 34904 Spheroidal graphite iron castings - Ultrasonic testing
GB/T 36589 Casting - Industrial computed tomography (CT) testing
GB/T 38440 Test method for penetration strength of cast iron
GB/T 38441 Pig iron and cast - Determination of chromium, copper, magnesium, manganese, molybdenum, nickel, phosphorus, tin, titanium, vanadium and silicon content - Inductively coupled plasma atomic emission spectrometric method
GB/T 39638 X-ray digital radiographic testing for casting
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 5611 and the following apply.
3.1
cast sample
a sample representing the properties of a casting material
Note: The sample includes single cast test block, side-by-side test block, attached cast test block and body sample.
3.2
manufacturing process plan
detailed planning of the casting production process
Note: It includes detailed production process operating steps and requirements list.
4 Ordering information
4.1 Required information
The purchaser shall provide the following information in the order contract, including but not limited to:
a) Order quantity and delivery plan;
b) Material standard number and material designation;
c) Relevant drawings and technical specifications;
d) The conditions of molds, tools and moulds;
e) The requirements for internal and external state of castings, the scope and frequency of non-destructive testing;
f) Method, location and content of casting identification;
g) Protection, packaging, loading, transport and place of delivery;
h) The delivery state of castings, such as machining, as-cast, heat treatment or surface treatment;
i) The weight and settlement weight of castings;
j) The type of inspection documents to be submitted upon delivery.
4.2 Optional information
If necessary, the following information can also be provided when ordering:
a) Main wall thickness;
b) Other properties not mentioned in the material standard;
c) Verification process and batch delivery requirements for the first batch of samples;
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Ordering information
5 Casting processability analysis
6 Sample certification
7 Manufacture
8 Technical requirements
9 Test methods
10 Inspection rules
11 Identification, protection and quality certificate
Annex A (Informative) Manufacturing process plan
Annex B (Informative) Casting body hardness (Brinell hardness) test method
Bibliography
