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

ASTM-A370 - 2002 EDITION - SUPERSEDED -- See the following: ASTM-A318 ASTM-A330 ASTM-A344 ASTM-A359 ASTM-A443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 methods cover procedures and definitions for the mechanical testing of wrought and cast 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 5 to 13
Bend14
Hardness15
Brinell16
Rockwell17
Portable18
Impact19 to 28
Keywords29

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

Annex
Bar ProductsA1.1
Tubular ProductsAnnex A2
FastenersAnnex A3
Round Wire ProductsAnnex A4
Significance of Notched-Bar Impact TestingAnnex A5
Converting Percentage Elongation of Round Specimens to Equivalents for Flat SpecimensAnnex A6
Testing Multi-Wire StrandAnnex A7
Rounding of Test DataAnnex A8
Methods for Testing Steel Reinforcing BarsAnnex A9
Procedure for Use and Control of Heat-Cycle SimulationAnnex 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 gage lengths of 2 or 8 in. may be reported in SI unit gage 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 gage lengths of 50 or 200 mm may be reported in inch-pound gage lengths of 2 or 8 in., respectively, as applicable.

1.6 Attention is directed to Practices A 880 and E 1595 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

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 Mechanical testing in general, see 19.060 Mechanical testing of welded joints, see 25.160.40)

77.140.01 (Iron and steel products in general)

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Document Number

ASTM-A370-02

Revision Level

2002 EDITION

Status

Superseded

Modification Type

Revision

Publication Date

Jan. 10, 2002

Document Type

Test Method

Page Count

52 pages

Committee Number

A01.13