AS 2837-1986

1 - AS 2837-1986 WROUGHT ALLOY STEELS-STAINLESS STEEL BARS AND SEMI-FINISHED PRODUCTS
4 - PREFACE
5 - CONTENTS
6 - 1 SCOPE.
6 - 2 REFERENCED DOCUMENTS.
6 - 3 DESIGNATION.
6 - 3.1 General.
6 - 3.2 Series designation.
6 - 3.3 Modification symbols.
6 - 3.4 Heat treatment condition.
6 - 3.4.1 Martensitic stainless steels.
6 - 3.4.2 Precipitation hardening stainless steels.
7 - 4 DEFINITIONS.
7 - 4.1 Bar
7 - 4.1.1 Flat bars (flats)
7 - 4.1.2 Round bars (rounds)
7 - 4.1.3 Square bars (squares)
7 - 4.1.4 Hexagonal bars (hexagons)
7 - 4.1.5 Special bars
7 - 4.1.6 Bright bars
7 - 4.1.7 Cold-sized bars
7 - 4.1.8 Peeled bars
7 - 4.2 Billet
7 - 4.3 Bloom
7 - 4.4 Slab
7 - 5 STEELMAKING PROCESS.
7 - 6 CONDITION OF STEEL ON DELIVERY.
7 - 6.1 General.
7 - 6.2 Bars, billets, blooms and slabs for forging.
7 - 6.3 Forgings and bars.
7 - 6.4 Cold finished bars.
7 - 7 CHEMICAL COMPOSITION.
7 - 7.1 General.
7 - 7.2 Cast analysis.
9 - 7.3 Residual elements.
9 - 7.4 Product analysis.
10 - 8 FREEDOM FROM DEFECTS.
10 - 8.1 General.
10 - 8.2 Surface dressing of bars.
10 - 8.3 Surface dressing of blooms, billets and slabs.
10 - 8.3.1 General
10 - 8.3.2 Depth of gouge
10 - 8.3.3 Width of gouge
10 - 9 HEAT TREATMENT.
10 - 9.1 Austenitic stainless steel bars.
10 - 9.2 Martensitic stainless steel bars.
10 - 9.2.1 Annealing
10 - 9.2.2 Hardening and tempering
10 - 9.3 Ferritic stainless steel bars.
10 - 9.4 Precipitation hardening stainless steels (Grade AS 2837/630 only)
11 - 10 MANUFACTURING TOLERANCES (Bars only).
11 - 11 SELECTION OF TEST SAMPLES.
11 - 11.1 Heat-treated, hard drawn and cold drawn bars.
11 - 11.2 Forgings and machined parts.
11 - 12 PREPARATION OF TEST SPECIMENS.
11 - 12.1 General.
11 - 12.2 Bars and billets for forgings and bars for machining not supplied in the finally heat-treated condition
11 - 12.3 Bars for machining supplied in the finally heat-treated condition
11 - 12.4 Heat treatment of test specimens.
11 - 13 PREPARATION OF TEST PIECES FOR MECHANICAL TESTING.
11 - 13.1 Tensile lest piece.
12 - 13.2 Izod impact test piece.
12 - 14. MECHANICAL TESTS.
12 - 14.1 Tensile lest.
12 - 14.1.1 General
12 - 14.1.2 Method of test
12 - 14.2 Hardness test.
12 - 14.3 Izod impact test.
13 - 15 RETESTS.
13 - 16 INTERGRANULAR CORROSION TEST.
13 - 17 IDENTIFICATION.
14 - 18 INTERPRETATIONOF SPECIFIED LIMITING VALUES.
14 - 18.1 General.
14 - 18.2 Tensile properties.
18 - APPENDIX A - PURCHASING GUIDELINES
18 - A1 INFORMATION TO BE SUPPLIED BY THE PURCHASER.
18 - A2 TEST REQUIREMENTS.
18 - A2.1 Non-destructive inspection.
18 - A2.2 Independent tests.
18 - A3 CERTIFICATES.
18 - A3.1 Certificate of compliance.
18 - A3.2 Test certificates.
18 - A4 INSPECTION.
20 - APPENDIX B - RECOMMENDED MACHINING ALLOWANCES FOR HOT-ROLLED BARS FOR MACHINING
20 - APPENDIX C - RECOMMENDED MACHINING ALLOWANCES FOR COLD- SIZED BARS FOR MACHINING
21 - APPENDIX D - RECOMMENDED MACHINING ALLOWANCES FOR PEELED BARS FOR MACHINING

Specifies requirements for wrought stainless steels for general engineering purposes, supplied as hot-rolled and cold-finished (cold-sized or bright) bars for machining, bars, blooms, billets and slabs for forging, and forgings.

This standard specifies requirements for wrought stainless steels for general engineering purposes, supplied as hot-rolled and cold-finished (cold-sized or bright) bars for machining, bars, blooms, billets and slabs for forgings, and forgings.NOTE: Guidelines to purchasers on requirements that are to be specified by the purchaser and those that are to be agreed on at the time of enquiry and/or order are given in Appendix A.