77.080.10 铁 标准查询与下载

ASTM E2567-16 采用图像分析测定球墨铸铁球化率和球墨粒数的标准试验方法

5.1 Qualitative measurement of “nodularity” and “nodule count” using visual estimations has been practiced for many years. These methods suffer from poor reproducibility and repeatability. The introduction of computer-aided image analysis enables metallographers to measure and count individual particles of interest in a microstructure with a high degree of precision. This greatly reduces measurement variations compared to visual estimation methods (see, for example, Test Method A247). 5.2 This method defines a procedure for measuring the number of nodules and the quality of nodularity of spherulitic graphite in a cast iron microstructure. The specimen’s location in a casting or cast test specimen, and the orientation of the plane-of-polish, are governed by product standards. When a product standard is not defined, choose the test location randomly or at specific systematically chosen depths as needed. The plane-of-polish may be parallel or perpendicular to the solidification direction, or chosen at random, depending upon the needs of the study. 5.3 This test method may be used to determine variations within a given test specimen, within a given location in a casting, between different locations in a casting, or for the same location in different castings over time. Results from this test method may be used to qualify material for shipment in accordance with guidelines agreed upon between purchaser and manufacturer or can be used to monitor process quality or product variations. 5.4 Measurements are performed using a computer-controlled automatic image analysis system. 5.5 A minimum number of specimens and a minimum surface area to be evaluated may be defined by producer-purchaser agreement, provided at least 500 particles meeting the minimum size requirements are measured. The number of particles analyzed shall be indicated in the final analysis report (see 9.6). 1.1 This test method is used to determine the percent nodularity and the nodule count per unit area (that is, number of nodules per mm2) using a light microscopical image of graphite in nodular cast iron. Images generated by other devices, such as a scanning electron microscope, are not specifically addressed, but can be utilized if the system is calibrated in both x and y directions. 1.2 Measurement of secondary or temper carbon in other types of cast iron, for example, malleable cast iron or in graphitic tool steels, is not specifically included in this standard because of the different graphite shapes and sizes inherent to such grades 1.3 This standard deals only with the recommended test method and nothing in it should be construed as defining or establishing limits of acceptability or fitness for purpose of the material tested. 1.4 The values stated in SI units are to be regarded as stand......

Standard Test Method for Determining Nodularity And Nodule Count In Ductile Iron Using Image Analysis

GSO ISO/TR 10809-1:2015 铸铁 第1部分：设计用材料和性能

  Scope is not provided for this standard

Cast irons -- Part 1: Materials and properties for design

GSO ISO 945-1:2015 铸铁显微组织 第1部分：光学分析石墨分类

This part of ISO 945 specifies a method of classifying the microstructure of graphite in cast irons by comparative visual analysis. The purpose of this part of ISO 945 is to provide information about the method of graphite classification. It is not intended to give information on the suitability of cast-iron types and grades for any particular application. The particular material grade is specified by results from tensile tests or hardness testing and, in the case of austenitic cast irons, by their chemical composition. The interpretation of graphite form and size does not allow a statistically valid statement on the fulfilment of the requirements specified in the relevant material standard. The structure of the metallic matrix (e.g. ferrite, pearlite) has a significant effect on the material properties. Such an interpretation is not the purpose of this part of ISO 945.

Microstructure of cast irons -- Part 1: Graphite classification by visual analysis

YB/T 4464-2015 离心球墨铸铁管用生铁

本标准规定了离心球墨铸铁管用生铁的技术要求、试验方法、检验规则、运输和质量证明书。 本标准适用于离心球墨铸铁管用生铁、铁液。

Pig iron used for centrifugal ductile iron pipes

ASTM E689-15 球墨铸铁铸件的标准参考射线照片

4.1 The casting process has demonstrated radiographic similarities between internal discontinuities for ductile cast iron and cast steel to the extent that the reference radiographs for steel castings are applicable. The exact application and usage of discontinuity classifications contained within steel casting reference radiographs must, however, give consideration to the differences in material properties between cast steel and ductile cast iron. In some applications, reference radiographs for steel castings may not be entirely applicable to ductile cast iron material dependent upon design or other usage criteria. 4.2 When employing steel casting reference radiographs to evaluate ductile iron castings, the applicable E446, E186, or E280 steel casting written standard shall also be used for specific guidance and evaluation procedures. 4.3 These reference radiographs are intended as a basis from which manufacturers and purchasers may, by mutual agreement, select particular discontinuity classes to serve as standards representing minimum levels of acceptability. Reference radiographs represented by these steel casting standards may be used, as agreed upon in a purchaser supplier agreement, for radiation energy levels, thicknesses or both outside the range of these standards when determined applicable for the casting service application 1.1 This standard extends the application of steel casting reference radiographs E446, E186, and E280 to ductile iron castings when determined appropriate for specific applications (see Section 4). 1.2 The reference radiograph films are an adjunct to E446, E186, or E280, and must be purchased separately from ASTM International, if needed (see 2.1). Categories and severity levels for each discontinuity type represented by these reference radiographs are described within each applicable standard above. Note 1: The basis of application for these reference radiographs requires a prior purchaser supplier agreement of radiographic examination attributes and classification criterion as described in Sections 4, 5, and 6 of this standard. 1.3 From time to time, there may be minor changes to the process for manufacturing of the reference radiograph adjunct materials. These changes could include changes in the films or processing chemicals used, changes in the dies or printing for the cardboard mats, etc.; however, in all cases, these changes are reviewed by the Illustration Monitoring Subcommittee and all reference radiographs are reviewed against a fixed prototype image to ensure that there are no changes to the acceptance level represented by the reference radiographs. Therefore, the adjunct reference radiographs remain ......

Standard Reference Radiographs for Ductile Iron Castings

ASTM A1095-15 高硅铁素体铸铁件的标准规格

1.1 This specification covers castings made of high-silicon molybdenum ferritic iron, commonly known as SiMo. This specification includes castings with microstructures of spheroidal graphite (SG) SiMo iron, compacted graphite (CG) SiMo iron, and mixed graphite or medium-nodularity graphite (MG) SiMo iron. MG iron microstructure comprises a mixture of spheroidal and compacted graphite shapes. This standard specifies the condition, chemical composition, microstructure, and other technical requirements of three grades of ferritic cast irons, specified as SG SiMo, MG SiMo, and CG SiMo. 1.2 No precise quantitative relationship can be stated between the properties of iron in the various locations of the same casting or between the properties of castings and those of a test specimen cast from the same iron. 1.3 The values stated in SI units are to be regarded as standard. All chemical compositions are in mass percentage. No other units of measurement are included in this standard. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Standard Specification for High-Silicon Molybdenum Ferritic Iron Castings

KS D ISO 9147-2014 生铁 定义及分类

Pig－irons－Definition and classification

KS D ISO 9147:2014 生铁 定义和分类

Pig－irons－Definition and classification

DIN EN 16482:2014 铸造.连续铸造铸铁棒材.德文版本EN 16482-2014

Founding - Continuous cast iron bars; German version EN 16482:2014

BS EN 16482:2014 铸造. 连续铸造铸铁棒材

Founding. Continuous cast iron bars

EN 16482:2014 铸造.连续铸造铁条

This European Standard defines the grades of grey cast iron and spheroidal graphite cast iron bars, which have been produced by the continuous casting process. This European Standard specifies the characterizing properties of grey cast iron bars by either: a) the tensile strength measured on machined test pieces prepared from samples cut from the bars, or b) the hardness measured on the bars. If agreed by the manufacturer and the purchaser, the combination of both tensile strength from option a) and hardness from option b) may be specified. This European Standard specifies the characterizing properties of spheroidal graphite cast iron bars by the tensile strength measured on machined test pieces prepared from samples cut from the bars. This European Standard specifies 4 grades of grey cast iron and 14 grades of spheroidal graphite cast iron by a classification based on tensile strength and 4 grades of grey cast iron by a classification based on Brinell hardness. This European Standard specifies also the straightness of the bars. This European Standard does not cover technical delivery conditions for iron castings (see EN 1559-1 [1] and EN 1559-3 [2]).

Founding - Continuous cast iron bars

JB/T 11994-2014 铸造用高纯生铁

本标准规定了铸造用高纯生铁的术语和定义、级别、技术要求、试验方法、检验规则、贮存、运输和交货等。本标准适用于铸造用高纯生铁的生产与检验。

High purity pig iron for foundry

JB/T 11843-2014 耐磨损球墨铸铁件

本标准规定了耐磨损球墨铸铁件的术语和定义、牌号、技术要求、试验方法、检验规则,以及标志、包装、运输和贮存。本标准适用于机械行业的耐磨损球墨铸铁件,其他行业可参照执行。

Abrasion-resistant ductile cast iron castings

KS D 4040-2014 铸铁(钢)材沙井盖及架子的一般要求事项

이 표준은 상수도, 하수도, 전기용 및 통신용 주철(강)재 맨홀 뚜껑 및 틀(이하 뚜껑 및 틀이라 한다.)의 일반 요구사항에 대하여 규정한다.

General requirement of iron(steel) casting manhole covers and frames

KS D 4040-2014(2019) 铸铁（钢）铸造人孔盖和框架的一般要求

General requirement of iron(steel) casting manhole covers and frames

ASTM E2567-14 采用图像分析测定球墨铸铁中结核状态和球状石墨粒数的标准试验方法

5.1 Qualitative measurement of “nodularity” and “nodule count” using visual estimations has been practiced for many years. These methods suffer from poor reproducibility and repeatability. The introduction of computer-aided image analysis enables metallographers to measure and count individual particles of interest in a microstructure with a high degree of precision. This greatly reduces measurement variations compared to visual estimation methods (see, for example, Test Method A247). 5.2 This method defines a procedure for measuring the number of nodules and the quality of nodularity of spherulitic graphite in a cast iron microstructure. The specimen’s location in a casting or cast test specimen, and the orientation of the plane-of-polish, are governed by product standards. When a product standard is not defined, choose the test location randomly or at specific systematically chosen depths as needed. The plane-of-polish may be parallel or perpendicular to the solidification direction, or chosen at random, depending upon the needs of the study. 5.3 This test method may be used to determine variations within a given test specimen, within a given location in a casting, between different locations in a casting, or for the same location in different castings over time. Results from this test method may be used to qualify material for shipment in accordance with guidelines agreed upon between purchaser and manufacturer or can be used to monitor process quality or product variations. 5.4 Measurements are performed using a computer-controlled automatic image analysis system. 5.5 A minimum number of specimens and a minimum surface area to be evaluated may be defined by producer-purchaser agreement, provided at least 500 particles meeting the minimum size requirements are measured. (See 5.6 for exceptions covering the minimum numbers of particles.) 5.6 The only exception to the 500-particle minimum assessment requirement is for large castings with a smallest cross-sectional dimension; for example being 15 cm. Graphite particles in such castings are very large typically above Test Method A247 size 4 or 160 µm, and nodule counts are low. The error in measuring a large graphite particle is very low. Therefore, when the mean graphite particle MFD is above Test Method A247 size 4 or 160 µm the number of particles required for a measurement may be reduced to 100 particles. However, the particles measured must still meet the minimum size requirement. 1.1 This test method is used to determine the percent nodularity and the nodule count per unit area (that is, number of nodules per mm2) using a light microscopical image of graphite in nodular cast iron. Images generated by other devices, such as a scanning electron microscope, are not specifically addressed, but can be utilized if the system is calibrated in both x and y directions.

Standard Test Method for Determining Nodularity And Nodule Count In Ductile Iron Using Image Analysis

GSO ISO 16112:2013 致密石墨蜗杆铸铁 分类

This International Standard specifies five grades of compacted (vermicular) graphite cast irons. This International Standard specifies five grades based on the minimum mechanical properties measured on machined test pieces prepared from — separately cast samples, — cast-on samples, or — samples cut from a casting.

Compacted (vermicular) graphite cast irons -- Classification

GSO ISO 21988:2013 耐腐蚀铸铁 分类

This International Standard defines the grades of abrasion-resistant white cast irons. It specifies the grades in terms of: — chemical composition; — hardness. The types of abrasion-resistant white cast irons covered by this International Standard are: a) unalloyed or low alloy cast irons; b) nickel-chromium cast irons covering two general types: 4 % Ni 2 % Cr cast irons; 9 % Cr 5 % Ni cast irons; c) high chromium cast irons covering five ranges of chromium content: Cr > 11 % to ≤ 14 %; Cr > 14 % to ≤ 18 %; Cr > 18 % to ≤ 23 %; Cr > 23 % to ≤ 30 %; Cr > 30 % to ≤ 40 %.

Abrasion-resistant cast irons -- Classification

GSO ISO 2892:2013 奥氏体铸铁

This International Standard specifies the grades of austenitic cast irons in terms of — graphite form and matrix structure: either flake (lamellar) or spheroidal graphite in an austenitic matrix, — chemical composition as given for each of the grades, and — mechanical properties obtained from separately cast samples.

Austenitic cast irons -- Classification

GSO ISO 185:2013 灰铸铁 分类

This International Standard specifies the properties of unalloyed and low-alloyed grey cast irons used for castings, which have been manufactured in sand moulds or in moulds with comparable thermal behaviour. This International Standard specifies the characterizing properties of grey cast iron by either a) the tensile strength of separately cast samples, or if agreed by the manufacturer and the purchaser, of cast-on samples or samples cut from a casting (see Table 1), or b) if agreed between the manufacturer and the purchaser, the hardness of the material measured on castings (see Table 2) or on a cast-on knob. If agreed by the manufacturer and the purchaser, the combination of both tensile strength from option a) and hardness from option b) may be specified. When specifying a combination of tensile strength and hardness, it is recommended to consult the information in Annex B. This International Standard does not apply to grey cast irons used for pipes and pipe fittings and continuous cast products. This International Standard specifies eight grades of grey cast iron according to the tensile strength (see Table 1) and six grades of grey cast iron according to the Brinell hardness (see Table 2).

Grey cast irons -- Classification