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GB/T 11352-2009 English PDF (GBT11352-2009)

GB/T 11352-2009 English PDF (GBT11352-2009)

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GB/T 11352-2009: Carbon steel castings for general engineering purpose

This Standard specifies the designation, technical requirements, test methods, inspection rules, marking, packaging, storage and transport of carbon steel castings for general engineering purpose. This Standard is applicable to carbon steel castings for general engineering purpose.
GB/T 11352-2009
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 77.140.80
J 31
Replacing GB/T 11352-1989
Carbon Steel Castings
for General Engineering Purpose
(ISO 3755.1991, Cast carbon steels for general engineering purpose,
ISO 4990.2003, Steel castings - General technical delivery requirements, MOD) ISSUED ON. MARCH 05, 2009
IMPLEMENTED ON. SEPTEMBER 01, 2009
Jointly issued by. General Administration of Quality Supervision, Inspection, and Quarantine of the People's Republic of China;
Standardization Administration of the People's Republic of China.
Table of Contents
1 Scope ... 4
2 Normative references ... 4
3 Designation ... 5
4 Technical requirements ... 5
5 Test methods ... 6
6 Inspection rules ... 8
7 Mark, packaging, transportation and storage ... 10
8 Additional requirements ... 11
Annex A ... 13
Annex B ... 15
Annex C ... 16
Foreword
This Standard modifies and adopts international standards ISO 3755.1991 "Cast Carbon Steels for General Engineering Purposes" and ISO 4S90.2003 "Steel Castings - General Technical Delivery Requirements".
This Standard integrates, modifies and adopts ISO 3755.1991 and ISO 4990.2003. The differences of main technical contents are as follows.
?€? Significant revision has been made to the structure, such as. Chapter 7 of ISO 3755.1991 has been revised; Table 1 permissible variation in chemical composition and Table 2 alternate material list in ISO 4990.2003 have been deleted. ?€? Specification, sampling location and dimension of mechanical property test blocks in Annex B of ISO 4990.2003 have been revised.
Comparison table between this Standard?€?s clauses and international standard?€?s clauses are given in Annex C for the convenient comparison.
This Standard shall replace GB/T 11352-1989 "Carbon Steel Castings for General Engineering Purpose". Compared with GB/T 11352-1989, the following main technical contents are revised in this Standard.
?€? Add the spectral analysis method for chemical composition analysis;
?€? S and P controlling quantities of each designation are reduced;
?€? Test blocks for mechanical property of attached castings and single-cast test block are listed for adoption.
Annex A, B and C in this Standard are informative.
This Standard was proposed by China Machinery Industry Federation.
This Standard shall be under jurisdiction of the National Technical Committee of Standardization for Foundry
Responsible drafting organization of this Standard. Shaoguan Foundry and Forging Group. Participating drafting organization of this Standard. Shanghai Zhongxing Jiqi Chang Co., Ltd. AND Shenyang Research Institute of Foundry.
Chief drafting staffs of this Standard. Liu Qiping, Yu Zhengjiang, Yu Bo, Sun Shuqing and Ye Jianjun.
The previous edition replaced by this Standard is.
?€? GB/T 11352-1989.
Carbon Steel Castings
for General Engineering Purpose
1 Scope
This Standard specifies the designation, technical requirements, test methods, inspection rules, marking, packaging, storage and transport of carbon steel castings for general engineering purpose.
This Standard is applicable to carbon steel castings for general engineering purpose. 2 Normative references
The following normative documents contain the provisions which, through reference in this text, constitute the provisions of this Standard. For dated reference, the subsequent amendments (excluding the corrigendum) or revisions of these publications do not apply to this Standard. However, parties who enter into an agreement based on this Standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. For undated references, the latest edition of the normative document referred to applies.
GB/T 222 Permissible Tolerances for Chemical Composition of Steel Products 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 Brinell Hardness Test - Part 1. Test Methods (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 5613 Code for Representing Cast Steels
5.1 Analyses of chemical composition
5.1.1 Chemical analysis or spectral analysis shall be adopted for the analyses of chemical composition. Test blocks for chemical analysis or spectral analysis shall be produced in the casting process.
5.1.2 Sampling method for samples used for chemical analysis shall be selected according to those specified in GB/T 222.
5.1.3 Routine chemical analysis shall be carried out according to those specified in GB/T 223.3, GB/T 223.4 and GB/T 223.60.
5.1.4 Spectral analysis shall be carried out according to those specified in GB/T 4336. 5.2 Mechanical test
5.2.1 Test block
5.2.1.1 Block for mechanical property test shall be separately casted or be attached to castings during the casting process. Provided that test blocks are attached to castings, the position, method and mechanical property of attached castings shall be determined according to the negotiation between supplier and purchaser. Unless otherwise stated, types of test block shall be selected by the supplier.
5.2.1.2 Shape and dimension of separately-cast test block, as well as sampling location shall be in accordance with the requirements of Figure 1.
5.2.1.3 Shape, dimension and sampling location of attached test block shall be determined by supplier and purchaser through negotiation.
5.2.1.4 Unless otherwise stated, it is required to carry out the same method of heat treatment to both separately-cast test block and the casting it represents, and make relevant recordings. 5.2.1.5 Before heat treatment for castings, if purchaser or its representative requires to join in to test and mark on casting, supplier shall not cut off the attached test block completely. Attached test block shall be marked after heat treatment.
5.2.2 Tensile test
Tensile test shall be carried out according to the provisions of GB/T 228. 5.2. 3 Impact test
Impact test shall be carried out according to the provisions of GB 229. Results of test for mechanical property and chemical composition can be rounded off according to the rules of test methods or the provisions of GB/T 8170. Result of dimension measurement ca not be rounded off.
6.9 Surface quality
Casting's surface quality shall be tested one by one according to requirements of 4.5. 6.10 Geometric shape, dimensional tolerance and machining allowance
Geometric shape and dimension, dimensional tolerance and machining allowance of casting shall be tested according to the provisions of 4.6.
6.11 Additional requirements of inspection
Additional requirements of both parties for inspection and acceptance.
7 Mark, packaging, transportation and storage
7.1 Mark and certificate of conformity
7.1.1 Some or all of the following marks shall be marked on non-working surface of each casting, such as.
a) Supplier mark;
b) Batch number;
c) Other signs required by the purchaser.
If it is impossible to mark on casting, marks can be printed on label and attached to each batch of casting.
7.1.2 Certificate of conformity shall be attached to exit-factory casting; the certificate shall include.
a) Name of supplier;
b) Casting number or batch number;
c) Drawing number of casting or purchase contract number;
d) Material grade, smelting furnace number and heat treatment condition; e) Date of built (or serial number);
f) Results of all specified tests;
g) Other contents the both parties agree on.
7.2 Surface protection, packaging, transportation and storage
Casting shall be packed and treated with protective treatment after passing test. Cast surface protection, transportation and storage shall meet order agreement. 8.7.2 Magnetic particle inspection
Defect...

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