ASTM F912M - 11 standard specification for alloy steel socket set screws (Metric)

0

Source: ASTM International

This specification covers the requirements and corresponding test methods for quenched and tempered alloy steel socket set screws (SSS) having sizes of M1.6 through M24, hardnesses of 45 to 53 HRC, and belonging to ISO 898/5 property class 45H. These set screws are intended for compression applications only and are not customarily subjected to embrittlement tests. The screws shall be fabricated to a fine grain practice in standard surface finishes, and optional protective coating as specified in the purchase order. Sampled specimens shall undergo heat and product analysis for measurements of the chemical content for carbon, phosphorus, and sulfur. Appropriate tests shall also be performed to analyze the conformance of the screws to mechanical and other property requirements such as torque and torsional strength, microhardness, decarburization, and surface discontinuities.

This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

1. Scope

1.1 This specification covers the requirements for quenched and tempered alloy steel socket set screws (SSS) M1.6 through M24 sizes having hardnesses 45 to 53 HRC, ISO 898/5 property class 45H.

1.2 These set screws are intended for compression applications only and are not customarily subjected to embrittlement tests. For tensile applications, consult with the manufacturer for proper alloy and hardness.

1.3 The hazard statement pertains only to the test method section, Section 11 of this specification. 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.

Note 1—This specification is the metric companion of Specification F 912.

2. Referenced Documents (purchase separately)

ASTM Standards
A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products
D3951 Practice for Commercial Packaging
E3 Guide for Preparation of Metallographic Specimens
E18 Test Methods for Rockwell Hardness of Metallic Materials
E112 Test Methods for Determining Average Grain Size
E384 Test Method for Microindentation Hardness of Materials
F788/F788M Specification for Surface Discontinuities of Bolts, Screws, and Studs, Inch and Metric Series

ASME Standards
B18.24 Part Identifying Number (PIN) Code System Standard for B18 Fastener Products

ISO Standard
898/5 Mechanical Properties of Fasteners--Set Screws and Similar Threaded Fasteners Not Under Tensile Stress

Index Terms

alloy; metric; screws; set; socket; steel;

ICS Code

ICS Number Code 21.060.10 (Bolts, screws, studs)

DOI: 10.1520/F0912M-11

ASTM International is a member of CrossRef.

Customer comments

No comments were found for ASTM F912M - 11 standard specification for alloy steel socket set screws (Metric). Be the first to comment!