ASTM-A370 2012

$63.38

A370-12 Standard Test Methods and Definitions for Mechanical Testing of Steel Products

Published By	Publication Date	Number of Pages
ASTM	2012	47

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Categories: 77.040.10 - Mechanical testing of metals, 77.140.01 - Iron and steel products in general, ASTM

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Description

1.1 These test methods cover procedures and definitions for the mechanical testing of steels, stainless steels, and related alloys. The various mechanical tests herein described are used to determine properties required in the product specifications. Variations in testing methods are to be avoided, and standard methods of testing are to be followed to obtain reproducible and comparable results. In those cases in which the testing requirements for certain products are unique or at variance with these general procedures, the product specification testing requirements shall control.

1.2 The following mechanical tests are described:

1.3 Annexes covering details peculiar to certain products are appended to these test methods as follows:

1.4 The values stated in inch-pound units are to be regarded as the standard.

1.5 When this document is referenced in a metric product specification, the yield and tensile values may be determined in inch-pound (ksi) units then converted into SI (MPa) units. The elongation determined in inch-pound gauge lengths of 2 or 8 in. may be reported in SI unit gauge lengths of 50 or 200 mm, respectively, as applicable. Conversely, when this document is referenced in an inch-pound product specification, the yield and tensile values may be determined in SI units then converted into inch-pound units. The elongation determined in SI unit gauge lengths of 50 or 200 mm may be reported in inch-pound gauge lengths of 2 or 8 in., respectively, as applicable.

1.6 Attention is directed to ISO/IEC 17025 when there may be a need for information on criteria for evaluation of testing laboratories.

1.7 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.

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PDF Pages	PDF Title
1	Scope Scope Referenced Documents Referenced Documents
2	General Precautions General Precautions Orientation of Test Specimens Orientation of Test Specimens Description Description FIG. 1 FIG. 1
3	Terminology Terminology Testing Apparatus and Operations Testing Apparatus and Operations FIG. 2 FIG. 2
4	Test Specimen Parameters Test Specimen Parameters
5	FIG. 3 FIG. 3
6	Plate-Type Specimens Plate-Type Specimens Sheet-Type Specimen Sheet-Type Specimen Round Specimens Round Specimens Gauge Marks Gauge Marks FIG. 4 FIG. 4
7	FIG. 5 FIG. 5 FIG. 6 FIG. 6
8	Determination of Tensile Properties Determination of Tensile Properties TABLE 1 TABLE 1
9	FIG. 7 FIG. 7 FIG. 8 FIG. 8 FIG. 9 FIG. 9
10	Description Description General General
11	TABLE 2 TABLE 2
12	TABLE 3 TABLE 3
13	Brinell Test Brinell Test TABLE 4 TABLE 4
14	TABLE 5 TABLE 5
15	TABLE 6 TABLE 6
17	Rockwell Test Rockwell Test Portable Hardness Test Portable Hardness Test Summary Summary Significance and Use Significance and Use
18	Apparatus Apparatus Sampling and Number of Specimens Sampling and Number of Specimens FIG. 10 FIG. 10
19	Calibration Calibration Conditioning—Temperature Control Conditioning—Temperature Control Procedure Procedure FIG. 11 FIG. 11 FIG. 12 FIG. 12
20	FIG. 13 FIG. 13
21	Interpretation of Test Result Interpretation of Test Result TABLE 7 TABLE 7 TABLE 8 TABLE 8
22	Records Records FIG. 14 FIG. 14 FIG. 15 FIG. 15
23	Report Report Keywords Keywords FIG. 16 FIG. 16 FIG. 17 FIG. 17
24	A1. STEEL BAR PRODUCTS A1. STEEL BAR PRODUCTS A1.1 Scope A1.1 Scope A1.2 Orientation of Test Specimens A1.2 Orientation of Test Specimens A1.3 Tension Test A1.3 Tension Test A1.4 Bend Test A1.4 Bend Test A1.5 Hardness Test A1.5 Hardness Test TABLE 9 TABLE 9
25	TABLE A1.1 TABLE A1.1 TABLE A1.2 TABLE A1.2
26	A2. STEEL TUBULAR PRODUCTS A2. STEEL TUBULAR PRODUCTS A2.1 Scope A2.1 Scope A2.2 Tension Test A2.2 Tension Test FIG. A2.1 FIG. A2.1 FIG. A2.2 FIG. A2.2
27	FIG. A2.3 FIG. A2.3 FIG. A2.4 FIG. A2.4 FIG. A2.5 FIG. A2.5
28	A2.3 Determination of Transverse Yield Strength, Hydraulic Ring-Expansion Method A2.3 Determination of Transverse Yield Strength, Hydraulic Ring-Expansion Method FIG. A2.6 FIG. A2.6 FIG. A2.7 FIG. A2.7
29	A2.4 Hardness Tests A2.4 Hardness Tests A2.5 Manipulating Tests A2.5 Manipulating Tests FIG. A2.8 FIG. A2.8 TABLE A2.1 TABLE A2.1
30	TABLE A2.2 TABLE A2.2 FIG. A2.9 FIG. A2.9 FIG. A2.10 FIG. A2.10
31	FIG. A2.11 FIG. A2.11 FIG. A2.12 FIG. A2.12 FIG. A2.13 FIG. A2.13
32	A3. STEEL FASTENERS A3. STEEL FASTENERS A3.1 Scope A3.1 Scope FIG. A2.14 FIG. A2.14 FIG. A2.15 FIG. A2.15
33	A3.2 Tension Tests A3.2 Tension Tests
34	FIG. A3.1 FIG. A3.1 TABLE A3.1 TABLE A3.1
35	A3.3 Hardness Tests for Externally Threaded Fasteners A3.3 Hardness Tests for Externally Threaded Fasteners A3.4 Testing of Nuts A3.4 Testing of Nuts FIG. A3.2 FIG. A3.2
36	FIG. A3.3 FIG. A3.3 FIG. A3.4 FIG. A3.4 FIG. A3.5 FIG. A3.5
37	A4. STEEL ROUND WIRE PRODUCTS A4. STEEL ROUND WIRE PRODUCTS A4.1 Scope A4.1 Scope A4.2 Apparatus A4.2 Apparatus A4.3 Test Specimens A4.3 Test Specimens A4.4 Elongation A4.4 Elongation FIG. A3.6 FIG. A3.6 FIG. A4.1 FIG. A4.1 FIG. A4.2 FIG. A4.2
38	A4.5 Reduction of Area A4.5 Reduction of Area A4.6 Rockwell Hardness Test A4.6 Rockwell Hardness Test A4.7 Wrap Test A4.7 Wrap Test A4.8 Coiling Test A4.8 Coiling Test A5. NOTES ON SIGNIFICANCE OF NOTCHED-BAR IMPACT TESTING A5. NOTES ON SIGNIFICANCE OF NOTCHED-BAR IMPACT TESTING A5.1 Notch Behavior A5.1 Notch Behavior A5.2 Notch Effect A5.2 Notch Effect
39	A5.3 Size Effect A5.3 Size Effect A5.4 Effects of Testing Conditions A5.4 Effects of Testing Conditions TABLE A5.1 TABLE A5.1
40	A5.5 Velocity of Straining A5.5 Velocity of Straining A5.6 Correlation with Service A5.6 Correlation with Service A6. PROCEDURE FOR CONVERTING PERCENTAGE ELONGATION OF A STANDARD ROUND TENSION TEST SPECIMEN TO EQUIVALENT PERCENTAGE ELONGATION OF A STANDARD FLAT SPECIMEN A6. PROCEDURE FOR CONVERTING PERCENTAGE ELONGATION OF A STANDARD ROUND TENSION TEST SPECIMEN TO EQUIVALENT PERCENTAGE ELONGATION OF A STANDARD FLAT SPECIMEN A6.1 Scope A6.1 Scope A6.2 Basic Equation A6.2 Basic Equation A6.3 Application A6.3 Application
41	TABLE A6.1 TABLE A6.1 TABLE A6.2 TABLE A6.2
42	A7. METHOD OF TESTING MULTI-WIRE STRAND FOR PRESTRESSED CONCRETE A7. METHOD OF TESTING MULTI-WIRE STRAND FOR PRESTRESSED CONCRETE A7.1 Scope A7.1 Scope A7.2 General Precautions A7.2 General Precautions A7.3 Gripping Devices A7.3 Gripping Devices A7.4 Specimen Preparation A7.4 Specimen Preparation A7.5 Procedure A7.5 Procedure
43	A8. ROUNDING OF TEST DATA A8. ROUNDING OF TEST DATA A8.1 Rounding A8.1 Rounding TABLE A8.1 TABLE A8.1
44	A9. METHODS FOR TESTING STEEL REINFORCING BARS A9. METHODS FOR TESTING STEEL REINFORCING BARS A9.1 Scope A9.1 Scope A9.2 Test Specimens A9.2 Test Specimens A9.3 Tension Testing A9.3 Tension Testing A9.4 Bend Testing A9.4 Bend Testing A10. PROCEDURE FOR USE AND CONTROL OF HEAT-CYCLE SIMULATION A10. PROCEDURE FOR USE AND CONTROL OF HEAT-CYCLE SIMULATION A10.1 Purpose A10.1 Purpose A10.2 Scope A10.2 Scope A10.3 Referenced Documents A10.3 Referenced Documents
45	A10.4 Terminology A10.4 Terminology A10.5 Procedure A10.5 Procedure TABLE A10.1 TABLE A10.1

Additional information

Bar Products	A1.1
Significance of Notched-Bar Impact Testing	Annex A5
Tension	5 to 13
Methods for Testing Steel Reinforcing Bars	Annex A9
Rounding of Test Data	Annex A8
Tubular Products	Annex A2
Round Wire Products	Annex A4
Portable	18
Brinell	16
Rockwell	17
Hardness	15
Converting Percentage Elongation of Round Specimens to Equivalents for Flat Specimens	Annex A6
Fasteners	Annex A3
Procedure for Use and Control of Heat-Cycle Simulation	Annex A10
Testing Multi-Wire Strand	Annex A7
Bend	14
Keywords	29
Impact	19 to 28
	Annex
ICS Codes	77.040.10 - Mechanical testing of metals 77.140.01 - Iron and steel products in general

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