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JIS B 1051:2000 English Edition

JIS B 1051:2000

Mechanical properties of fasteners made of carbon steel and alloy steel - Part 1: Bolts, screws and studs


This Standard specifies the mechanical properties of bolts, screws and studs made of carbon steel and alloy steel when tested at an ambient temperature range of 10 degree C to 35 degree C. Products conforming to the requirements of this Standard are evaluated only in the ambient temperature range and may not retain the specified mechanical and physical properties at higher and lower temperatures. Attention is drawn to Annex A which provides examples of lower yield stress and stress at 0.2 % non-proportional elongation at elevated temperatures. At temperatures lower than the ambient temperature range, a significant change in the properties, particularly impact strength, may occur. When fasteners are to be used above or below the ambient temperature range it is the responsibility of the user to ensure that the mechanical and physical properties are suitable for his particular service conditions. Certain fasteners may not fulfill the tensile or torsional requirements of this Standard because of the geometry of the head which reduces the shear area in the head as compared to the stress area in the thread such as countersunk, raised countersunk and cheese heads (see clause 6). This Standard applies to bolts, screws and studs - with coarse pitch thread M1.6 to M39, and fine pitch thread M18 * 1 to M39 * 3; - with diameter/pitch combinations in accordance with JIS B 0205 and JIS B 0207; - with thread tolerance in accordance with JIS B 0209 and JIS B 0211; - made of carbon steel or alloy steel. It does not apply to set screws and similar threaded fasteners not under tensile stresses (see JIS B 1053). It does not specify requirements for such properties as - weldability; - corrosion-resistance; - ability to withstand temperatures above + 300 degree C (+250 degree C for 10.9) or below - 50 degree C; -- resistance to shear stress; -- fatigue resistance.


Status Superseded
Pages 26
Language English
Superseded By JIS B 1051:2014
DocumentFormat PDF(Copy/Paste/Networkable)
Published 20-03-2000

We will send the latest version to you, please contact us if you want the exact document as the title. Some old Standards are in scancopy and no reaffirmed stamp

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This product was added to our catalog on Saturday 10 March, 2018.