SPECIFICATION FOR CARBON AND ALLOY STEEL NUTS FOR BOLTS FOR HIGH-PRESSURE OR HIGH-TEMPERATURE SERVICE, OR BOTH

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2015

Publisher

American Association of State Highway and Transportation Officials

1. SCOPE
2. REFERENCED DOCUMENTS
3. TERMINOLOGY
4. ORDERING INFORMATION
5. COMMON REQUIREMENTS
6. MANUFACTURE (PROCESS)
7. CHEMICAL COMPOSITION
8. MECHANICAL REQUIREMENTS
9. DIMENSIONS
10. WORKMANSHIP, FINISH, AND APPEARANCE
11. RETESTS
12. CERTIFICATION
13. PRODUCT MARKING
14. KEYWORDS
SUPPLEMENTARY REQUIREMENTS
S1. STRAIN-HARDENED AUSTENITIC STEEL NUTS
S2. RETESTS BY PURCHASER'S REPRESENTATIVE
S3. LOW-TEMPERATURE REQUIREMENTS FOR GRADE 4,
    GRADE 7, OR GRADE 7M NUTS
S4. PROOF-LOAD TESTS OF LARGE NUTS
S5. CONTROL OF PRODUCT BY HEAT NUMBER
S6. GRAIN SIZE REQUIREMENTS FOR NON H GRADE
    AUSTENITIC STEELS USED ABOVE 540 DEGREES C
    [1000 DEGREES F]
S7. COATING ON NUTS
S8. MARKING COATED NUTS
S9. PROOF-LOAD TESTING
S10.100 PERCENT HARDNESS TESTING OF GRADE 2HM AND 7M
APPENDIXES (Nonmandatory Information)
X1. STRAIN HARDENING OF AUSTENITIC STEELS
X2. COATINGS AND APPLICATION LIMITS

This specification covers a variety of carbon, alloy, and martensitic stainless steel nuts in the size range M6 through M100 [1/4 through 4 in.] nominal

DevelopmentNote	Included in AASHTO HM. (09/2013)
DocumentType	Technical Specification
Pages	20
PublisherName	American Association of State Highway and Transportation Officials
Status	Current
Supersedes	AASHTO M 292M/M 292 : 2014

ASME B18.2.2 : 2015	NUTS FOR GENERAL APPLICATIONS: MACHINE SCREW NUTS, HEX, SQUARE, HEX FLANGE, AND COUPLING NUTS (INCH SERIES)
ASTM A 276/A276M : 2017 : REDLINE	Standard Specification for Stainless Steel Bars and Shapes
AASHTO T 244 : 2014	METHOD OF TEST FOR MECHANICAL TESTING OF STEEL PRODUCTS