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

ASTM-A370 - 2013 EDITION - CURRENT -- See the following: ASTM-A318 ASTM-A330 ASTM-A344 ASTM-A359 ASTM-A443
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Standard Test Methods and Definitions for Mechanical Testing of Steel Products
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Scope

1.1 These test methods2 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:

 

Sections

Tension

 6 to 14

Bend

15

Hardness

16

 Brinell

17

 Rockwell

18

 Portable

19

Impact

20 to 29

Keywords

30


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

 

Annex

Bar Products

A1.1

Tubular Products

Annex A2

Fasteners

Annex A3

Round Wire Products

Annex A4

Significance of Notched-Bar Impact Testing

Annex A5

Converting Percentage Elongation of Round Specimens to
 Equivalents for Flat Specimens

Annex A6

Testing Multi-Wire Strand

Annex A7

Rounding of Test Data

Annex A8

Methods for Testing Steel Reinforcing Bars

Annex A9

Procedure for Use and Control of Heat-Cycle Simulation

Annex A10


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.

Notes

Claudia's Notes:
ASTM-A370 test methods center on Ductile vs. Brittle Behavior.  Body-centered-cubic or ferritic alloys exhibit a significant transition in behavior when impact tested over a range of temperatures. At temperatures above transition, impact specimens fracture by a ductile (usually microvoid coalescence) mechanism, absorbing relatively large amounts of energy. At lower temperatures, they fracture in a brittle (usually cleavage) manner absorbing appreciably less energy. Within the transition range, the fracture will generally be a mixture of areas of ductile fracture and brittle fracture.

Keywords

bend test; Brinell hardness; Charpy impact test; elongation; FATT (Fracture Appearance Transition Temperature); hardness test; portable hardness; reduction of area; Rockwell hardness; tensile strength; tension test; yield strength; ICS Number Code 77.040.10 (Mechanical testing of metals); 77.140.01 (Iron and steel products in general)

To find similar documents by ASTM Volume:

01.01 (Steel--Piping, Tubing, Fittings)

01.02 (Ferrous Castings; Ferroalloys)

01.03 (Steel--Plate, Sheet, Strip, Wire; Stainless Steel Bar)

01.04 (Steel--Structural, Reinforcing, Pressure Vessel, Railway)

01.05 (Steel--Bars, Forgings, Bearing, Chain, Tool)

To find similar documents by classification:

77.040.10 (Mechanical testing of metals)

77.140.01 (Iron and steel products in general)

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Document Number

ASTM-A370-13

Revision Level

2013 EDITION

Status

Current

Modification Type

Revision

Publication Date

April 1, 2014

Document Type

Test Method

Page Count

48 pages

Committee Number

A01.13