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Steel castings

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06-30-2017

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AS 2074-2003

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English

Published date

01-01-1982

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Standards Australia

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1 - AS 2074-1982 STEEL CASTINGS
4 - PREFACE
5 - CONTENTS
7 - SECTION 1. SCOPE AND GENERAL
7 - 1.1 SCOPE.
7 - 1.2 APPLICATION.
7 - 1.3 REFERENCED DOCUMENTS.
7 - 1.4 DESIGNATION OF GRADE.
8 - 1.5 DEFINITIONS.
8 - 1.5.1 Certified material for elevated temperature properties
8 - 1.5.2 Elevated temperature tested material
8 - 1.5.3 Mass effect
8 - 1.5.4 Ruling section
8 - 1.5.5 Test bar
8 - 1.5.6 Test piece
8 - 1.6 CHEMICAL COMPOSITION.
8 - 1.6.1 General.
8 - 1.6.2 Residual Elements.
8 - 1.6.3 Cast Analysis.
8 - 1.7 FETTLING AND DRESSING.
8 - 1.8 FREEDOM FROM DEFECTS.
8 - 1.9 HEAT TREATMENT.
8 - 1.9.1 General.
8 - 1.9.2 Annealing Lugs
8 - 1.10 MASS EFFECT.
8 - 1.11 MECHANICAL PROPERTIES.
8 - 1.12 PROVISION AND PREPARATION OF TEST BARS.
8 - 1.12.1 General.
8 - 1.12.2 Heat Treatment of Separate Test Bars.
9 - 1.12.3 Heat Treatment of Attached Test Bars.
9 - 1.13 PREPARATION OF TEST PIECES.
9 - 1.13.1 General.
9 - 1.13.2 Tensile Test Piece.
9 - 1.13.3 Elevated Temperature Tensile Test Piece.
9 - 1.13.4 Izod Impact Test Piece.
9 - 1.13.5 Charpy V-notch Impact Test Piece.
9 - 1.13.6 Intergranular Corrosion Test Piece.
9 - 1.14 TEST REQUIREMENTS.
9 - 1.14.1 Tensile Test.
9 - 1.14.2 Elevated Temperature Tensile Test.
9 - 1.14.3 Izod Impact Test.
9 - 1.14.4 Charpy V-notch Impact Test.
9 - 1.14.5 Hardness Tests.
9 - 1.14.6 Magnetic Property Tests.
9 - 1.14.7 Intergranular Corrosion Test.
9 - 1.15 RETESTS.
9 - 1.15.1 General.
9 - 1.15.2 Failure of Mechanical Tests.
10 - 1.15.3 Failure of Low Temperature Impact Test.
10 - 1.15.4 Re-heat Treatment.
10 - 1.15.5 Acceptance.
10 - 1.16 TEST CERTIFICATE.
10 - 1.17 RECTIFICATION OF CASTINGS.
10 - 1.18 ROUNDING OF RESULTS OBTAINED BY INSPECTION AND TESTING.
10 - 1.18.1 General.
10 - 1.18.2 Tensile Properties.
11 - SECTION 2. REQUIREMENTS FOR CARBON STEEL CASTINGS
11 - 2.1 CARBONSTEEL CASTINGSFOR CASE HARDENING- GRADE AS 2074/C1.
11 - 2.1.1 Chemical Composition.
11 - 2.1.2 Heat Treatment.
11 - 2.1.3 Mechanical Properties.
12 - 2.2 CARBON STEEL CASTINGS WITH HIGH MAGNETIC PERMEABILITY- GRADE AS 2074/ C2.
12 - 2.2.1 Chemical Composition.
12 - 2.2.2 Heat Treatment.
12 - 2.2.3 Mechanical Properties.
12 - 2.2.4 Magnetic Properties.
13 - 2.3 CARBON STEEL CASTINGS FOR GENERAL PURPOSES -GRADES AS 2074/ C3, C4, C5.
13 - 2.3.1 Chemical Composition.
13 - 2.3.2 Heat Treatment.
13 - 2.3.3 Mechanical Properties.
14 - 2.4 CARBON STEEL CASTINGS FOR RESISTANCE TO WEAR AND SUITABLE FOR SURFACE HARDENING- GRADE AS 2074/ C6.
14 - 2.4.1 Chemical Composition.
14 - 2.4.2 Heat Treatment.
14 - 2.4.3 Mechanical Properties.
15 - 2.5 CARBON STEEL CASTINGS FOR PRESSURE PURPOSES -GRADE AS 2074/ C7A.
15 - 2.5.1 Chemical Composition.
15 - 2.5.2 Heat Treatment.
15 - 2.5.3 Mechanical Properties at Room Temperature.
15 - 2.5.4 Mechanical Properties at Elevated Temperature.
16 - 2.5.5 Impact Properties at Low Temperature.
17 - SECTION 3. REQUIREMENTS FOR LOW ALLOY STEEL CASTINGS
17 - 3.1 1.5% MANGANESE STEEL CASTINGS -GRADES AS 2074/L1A, L1B.
17 - 3.1.1 Chemical Composition.
17 - 3.1.2 Heat Treatment.
17 - 3.1.3 Mechanical Properties.
17 - 3.1.4 Brinell Hardness of Castings.
18 - 3.2 1% CHROMIUM STEEL FOR RESISTANCE TO ABRASION -GRADES AS 2074/ L2A, L2B.
18 - 3.2.1 Chemical Composition.
18 - 3.2.2 Heat Treatment.
18 - 3.2.3 Brinell Hardness of Castings.
19 - 3.3 FERRITIC STEEL FOR USE AT LOW TEMPERATURE-GRADE AS 2074/ L3A.
19 - 3.3.1 Chemical Composition.
19 - 3.3.2 Heat Treatment.
19 - 3.3.3 Mechanical Properties at Room Temperature.
19 - 3.3.4 Impact Properties at Low Temperature.
20 - 3.4 3% NICKEL STEEL FOR CASE HARDENING- GRADE AS 2074/L4A.
20 - 3.4.1 Chemical Composition.
20 - 3.4.2 Heat Treatment.
20 - 3.4.3 Mechanical Properties.
21 - 3.5 LOW ALLOY STEEL FOR USE AT ELEVATED TEMPERATURES -GRADES AS 2074/ L5A, L5B, L5C, L5D, L5E, L5F, L5G, L5H.
21 - 3.5.1 Chemical Composition.
22 - 3.5.2 Heat Treatment.
22 - 3.5.3 Mechanical Properties at Room Temperature.
22 - 3.5.4 Mechanical Properties at Elevated Temperature.
23 - 3.5.5 Impact Properties at Low Temperature.
24 - 3.6 ALLOY STEEL FOR HIGHER TENSILE STRENGTH- GRADES AS 2074/ L6, L6A, L6B, L6C.
24 - 3.6.1 Chemical Composition.
24 - 3.6.2 Heat Treatment.
24 - 3.6.3 Mechanical Properties.
24 - 3.6.4 Brinell Hardness of Castings.
24 - 3.6.5 Reduction of Area.
25 - SECTION 4. REQUIREMENTS FOR HIGH ALLOY STEEL CASTINGS
25 - 4.1 AUSTENITIC MANGANESE STEELCASTINGS -GRADES AS 2074/ H1A, H1B.
25 - 4.1.1 Chemical Composition.
25 - 4.1.2 Heat Treatment.
26 - 4.2 9% CHROMIUM- MOLYBDENUM STEEL CASTINGS -GRADE AS 2074/ H2A.
26 - 4.2.1 Chemical Composition.
26 - 4.2.2 Heat Treatment.
26 - 4.2.3 Mechanical Properties.
26 - 4.2.4 Brinell Hardness of Castings.
27 - 4.3 13% CHROMIUM STEEL CASTINGS FOR RESISTANCE TO CORROSION- GRADES AS 2074/ H3A, H3B, H3C.
27 - 4.3.1 Chemical Composition.
27 - 4.3.2 Heat Treatment.
27 - 4.3.3 Mechanical Properties.
27 - 4.3.4 Brinell Hardness of Castings.
28 - 4.4 28% CHROMIUM STEEL CASTINGS -GRADES AS 2074/H4A, H4B.
28 - 4.4.1 Chemical Composition.
28 - 4.4.2 Heat Treatment.
29 - 4.5 AUSTENITIC CHROMIUM-NICKEL STEEL CASTINGS FOR RESISTANCE TO CORROSION- GRADES AS 2074/ H5A, H5B, H5C.
29 - 4.5.1 Chemical Composition.
29 - 4.5.2 Heat Treatment.
29 - 4.5.3 Mechanical Properties.
29 - 4.5.4 Impact Properties at Low Temperature.
29 - 4.5.5 Non-magnetic Castings.
29 - 4.5.6 Intergranular Corrosion Test.
30 - 4.6 AUSTENITIC CHROMIUM-NICKEL-MOLYBDENUMSTEEL CASTINGS FOR RESISTANCE TO CORROSION -GRADES AS 2074/ H6A, H6B, H6C.
30 - 4.6.1 Chemical Composition.
30 - 4.6.2 Heat Treatment.
30 - 4.6.3 Mechanical Properties.
30 - 4.6.4 Non-magnetic Castings.
30 - 4.6.5 Intergranular Corrosion Test.
31 - 4.7 PRECIPITATION HARDENING STEEL CASTINGS FOR RESISTANCE TO CORROSION- GRADES AS 2074/ H7A, H7B.
31 - 4.7.1 Chemical Composition.
31 - 4.7.2 Heat Treatment.
31 - 4.7.3 Mechanical Properties.
31 - 4.7.4 Brinell Hardness of Castings.
33 - 4.8 ALLOY STEEL CASTINGS FOR USE AT HIGH TEMPERATURE - GRADES AS 2074/ H8A, H8B, H8C, H8E, H8F, H8G, H8H, H8J.
33 - 4.8.1 Chemical Composition.
33 - 4.8.2 Heat Treatment.
33 - 4.8.3 Mechanical Properties.
33 - 4.8.4 Non-magnetic Castings.
33 - 4.9 AUSTENITIC CHROMIUM-NICKEL- MOLYBDENUM- COPPER STEEL CASTINGS FOR RESISTANCE TO CORROSION -GRADE AS 2074/ H9A.
33 - 4.9.1 Chemical Composition.
33 - 4.9.2 Heat Treatment.
34 - APPENDIX A - PURCHASING GUIDELINES (see Preface and Appendix B)
34 - A1 INTRODUCTION.
34 - A2 INFORMATION TO BE SUPPLIED BY THE PURCHASER
34 - A3 PATTERNS, DRAWINGS, AND SAMPLES OF THE CASTING.
34 - A3.1 New Patterns.
34 - A3.2 Existing Patterns and Equipment.
35 - A3.3 Colouring and Marking.
35 - A3.4 Sample Casting or Drawing.
35 - A4 IDENTIFICATION.
35 - A5 DRESSING AND FETTLING.
35 - A6 DEFECTS IN CASTINGS.
35 - A6.1 General.
35 - A6.2 Rectification of Defects.
35 - A7 MECHANICAL PROPERTY REQUIREMENTS.
35 - A7.1 General.
35 - A7.2 Tensile Properties.
35 - A7.3 Izod Impact Test.
35 - A7.4 Attached Test Bars.
35 - A7.5 Free-machining Grades.
35 - A8 TEST BARS.
35 - A8.1 General.
36 - A8.2 Provision of Test Bars.
36 - A8.3 Heat Treatment of Test Bars.
36 - A9 TEST REQUIREMENTS.
36 - A9.1 Tensile Test.
36 - A9.2 Retests.
36 - A9.3 Independent Tests.
36 - A10 OPTIONAL TEST REQUIREMENTS.
36 - A10.1 Hardness Test.
36 - A10.2 Charpy V-notch Impact Test.
36 - A10.3 Magnetic Requirements.
36 - A10.4 Intergranular Corrosion Test.
36 - A10.5 Non-destructive Inspection.
37 - A10.6 Pressure Tests.
37 - A11 SPECIAL OR SUPPLEMENTARY REQUIREMENTS.
37 - A11.1 Heat Treatment.
37 - A11.2 Limits of Chemical Elements.
37 - A11.3 Grades AS 2074/L6A and L6C.
37 - A11.4 Grades AS 2074/C1 and L4A.
37 - A11.5 Special Finishing.
37 - A11.6 Special Handling Requirements.
37 - A12 CERTIFICATES.
37 - A12.1 General.
37 - A12.2 Certificates of Compliance.
37 - A12.3 Test Certificates.
37 - A13 INSPECTION.
38 - APPENDIX B - STEEL CASTINGS -SELECTION OF GRADES FOR SPECIFIC APPLICATIONS
41 - APPENDIX C - ROUNDING OF RESULTS OBTAINED BY INSPECTION AND TESTING
41 - C1 ROUNDING OFF.
41 - C2 MEANING TO BE ATTACHED TO NUMERICAL VALUES OF MAXIMA AND MINIMA
42 - C3 REFERENCES.

Specifies requirements for carbon, low alloy and high alloy steel castings for pressure and general engineering purposes. Includes appendices setting out purchasing guidelines and indicating suitable grades for specific applications.

Committee	MT-001
DocumentType	Standard
ISBN	0 7262 2693 9
Pages	36
PublisherName	Standards Australia
Status	Superseded
SupersededBy	AS 2074-2003
Supersedes	AS E7-1938 DR 80228 AS 2074-1977
UnderRevision	DR 02080

This standard specifies requirements for carbon, low alloy and high alloy steel castings for pressure and general engineering purposes.NOTES:1. Guidelines to purchasers on requirements that must be specified and those that must be agreed upon at the time of enquiry and/or order are given in Appendix A.2. A summary of chemical composition and tensile properties of steels included in this standard is given in Appendix B, which also provides guidance in the selection of grades for specific applications.

Under Revision See DR 02080

AS/NZS 1554.1:1995	Structural steel welding Welding of steel structures
AS 2076-1996	Wire-rope grips for non-lifting applications
AS 2717.3-1992	Welding - Electrodes - Gas metal arc Corrosion-resisting chromium and chromium-nickel steel electrodes
AS 4087-1993	Metallic flanges for waterworks purposes
AS 2740-2001	Wedge-type sockets
AS/NZS 3992:1998	Pressure equipment - Welding and brazing qualification
AS 1735.2-1993	Lifts, escalators and moving walks Passenger and goods lifts - Electric
AS 1528.4-2001	Tubes (stainless steel) and tube fittings for the food industry - Clamp liners with gaskets
AS 1138-1992	Thimbles for wire rope
AS 2089-1993	Sheave blocks for lifting purposes
AS 1735.1-2001	Lifts, escalators and moving walks - General requirements
AS 3990-1993	Mechanical equipment - Steelwork (Reconfirmed 2016)
AS 4037-1992	Boilers and pressure vessels - Examination and testing
AS/NZS 1554.5:1995	Structural steel welding Welding of steel structures subject to high levels of fatigue loading
AS 1418.14-1996	Cranes (including hoists and winches) Requirements for cranes subject to arduous working conditions
AS 1418.1-2002	Cranes, hoists and winches General requirements
AS 1735.2-1997	Lifts, escalators and moving walks Passenger and goods lifts - Electric
AS 4087-1996	Metallic flanges for waterworks purposes
AS 1228-1997	Pressure equipment - Boilers
AS 4100-1998	Steel structures (Reconfirmed 2016)
AS 1910-1994	Water supply - Float control valves for use in hot and cold water
AS 4795-2002	Double-flanged butterfly valves for waterworks purposes
AS 2638-1991	Sluice valves for waterworks purposes
AS 1735.2-2001	Lifts, escalators and moving walks Passenger and goods lifts - Electric
AS 6401-2003	Knife-gate valves for waterworks purposes (Reconfirmed 2015)
AS/NZS 1576.3:1995	Scaffolding Prefabricated and tube-and-coupler scaffolding
AS 2129-1994	Flanges for pipes, valves and fittings
AS 1666.1-1995	Wire-rope slings - Product specification
AS/NZS 2845.1:1998	Water supply - Backflow prevention devices Materials, design and performance requirements
AS 1210-1997	Pressure vessels
AS/NZS 1576.5:1995	Scaffolding Prefabricated splitheads and trestles
AS 1554.1-1991	Structural steel welding (known as the SAA Structural Steel Welding Code) Welding of steel structures
AS/NZS 1554.1:2000	Structural steel welding Welding of steel structures
AS 4458-1997	Pressure equipment - Manufacture (Reconfirmed 2016)
AS 1418.1-1994	Cranes (including hoists and winches) General requirements
AS 1576.3-1991
AS 6001-1999	Working platforms for housing construction

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AS 2074-1982

Steel castings

Table of Contents

Abstract

General Product Information

Scope

History

Standards Referencing This Book

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